{
    "model": {
        "rank": 5561,
        "code": "thing-q102151",
        "model_id": "vr.tr.fluorite",
        "name": "fluorite",
        "purpose": "Enable an agent to recognise fluorite, assess the identity and condition of a specimen or material lot, and determine its suitability for a proposed use.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q102151/",
        "tier": 2,
        "score": 66,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "ratovkite",
                "yttrofluorite",
                "yttrocerite",
                "antozonite",
                "Chlorophane"
            ],
            "aliasCount": 5,
            "merged": 5,
            "knownIn": 66,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.fluorite",
            "source": {
                "dataset": "wikidata",
                "item": "Q102151",
                "url": "https://www.wikidata.org/wiki/Q102151",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:39:06Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 22.4,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08852-25c3-7153-9f1f-7aa237e36868\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: fluorite\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 188 things:\n# Batch 006: 1001 registe",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 66.2,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08852-25ba-73c3-af12-287820a12bdf\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: fluorite\nRegistry id: vr.tr.fluorite\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContex"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q102151",
                "registryId": "vr.tr.fluorite",
                "name": "fluorite",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q102151/",
            "model": {
                "registry_id": "vr.tr.fluorite",
                "name": "fluorite",
                "purpose": "Enable an agent to recognise fluorite, assess the identity and condition of a specimen or material lot, and determine its suitability for a proposed use.",
                "definition": "Fluorite is a naturally occurring calcium fluoride mineral, ideally CaF2, that crystallizes in the cubic system and is the principal mineral in commercial fluorspar ores.",
                "scope_statement": "This model owns fluorite as the mineral calcium fluoride, including its crystal properties, geological occurrence, specimen condition and grade-dependent usability; it distinguishes natural fluorite from synthetic calcium fluoride, mixed ores and finished products.",
                "in_scope": [
                    "Mineral identity, calcium fluoride composition and evidence confirming fluorite",
                    "Crystal form, cleavage, hardness, colour and optical behaviour",
                    "Geological occurrence, associated minerals and specimen provenance",
                    "Fluorite content, impurities, inclusions and processing state of material lots",
                    "Condition, intended-use requirements and handling constraints"
                ],
                "out_of_scope": [
                    "Synthetic calcium fluoride manufacturing and its separate product specifications",
                    "Deposit-scale resource estimation and mine operation",
                    "Complete identities and properties of associated minerals",
                    "Finished lenses, jewellery and other products containing fluorite",
                    "Hydrofluoric acid production and the identity of downstream fluorine compounds"
                ],
                "distinguishing_features": [
                    "Confirm calcium fluoride mineral identity using appropriate analytical evidence; colour or a commercial label alone cannot establish fluorite.",
                    "Check the characteristic combination of cubic crystal symmetry and octahedral cleavage; a cleavage fragment need not resemble the original crystal habit.",
                    "Where specimen preservation permits, assess hardness near Mohs 4 as supporting evidence against visually similar quartz or calcite.",
                    "Distinguish fluorite from calcite using structural and compositional evidence, particularly when both occur in the same specimen.",
                    "Treat fluorescence as supporting evidence only: its presence, absence or colour alone does not identify fluorite."
                ],
                "characteristics": [
                    {
                        "name": "Identity and origin status",
                        "kind": "category",
                        "unit_or_values": "confirmed natural fluorite | suspected fluorite | synthetic calcium fluoride | unresolved",
                        "why_it_matters": "Separates mineral identification from appearance, seller terminology and synthetic material."
                    },
                    {
                        "name": "Fluorite content",
                        "kind": "measurement",
                        "unit_or_values": "mass % CaF2, with analytical method, uncertainty and dry or as-received basis",
                        "why_it_matters": "Distinguishes a fluorite specimen from a mixed material lot and supports grade assessment."
                    },
                    {
                        "name": "Impurity and associated-mineral profile",
                        "kind": "measurement",
                        "unit_or_values": "identified constituents with mass %, mg/kg or qualitative detection status",
                        "why_it_matters": "Contaminants and gangue can determine processing suitability and handling requirements."
                    },
                    {
                        "name": "Crystal habit and cleavage",
                        "kind": "category",
                        "unit_or_values": "observed habit, cleavage directions and supporting images",
                        "why_it_matters": "Supports identification and predicts vulnerable surfaces during handling or fabrication."
                    },
                    {
                        "name": "Hardness",
                        "kind": "measurement",
                        "unit_or_values": "Mohs scale, with test location and method",
                        "why_it_matters": "Supports identification and assessment of scratch susceptibility."
                    },
                    {
                        "name": "Colour and optical clarity",
                        "kind": "state",
                        "unit_or_values": "colour, zoning, transparency, inclusions and observation conditions",
                        "why_it_matters": "Records specimen appearance and limitations affecting display or optical use."
                    },
                    {
                        "name": "Luminescence response",
                        "kind": "measurement",
                        "unit_or_values": "emission colour or spectrum, excitation wavelength in nm, exposure conditions and persistence in s",
                        "why_it_matters": "Makes observations comparable without assuming all fluorite fluoresces."
                    },
                    {
                        "name": "Geological provenance",
                        "kind": "relation",
                        "unit_or_values": "locality, host rock, occurrence type, associated minerals and evidence record",
                        "why_it_matters": "Supports interpretation of origin and separates documented provenance from attribution."
                    },
                    {
                        "name": "Physical integrity",
                        "kind": "state",
                        "unit_or_values": "intact | chipped | cleaved | fractured | weathered | repaired, with extent",
                        "why_it_matters": "Determines preservation needs and whether the material remains suitable for a proposed use."
                    },
                    {
                        "name": "Material form and particle size",
                        "kind": "measurement",
                        "unit_or_values": "specimen, lump, concentrate or powder; dimensions or particle-size distribution in mm or µm",
                        "why_it_matters": "Connects sampling, processing behaviour and dust generation to the actual material."
                    },
                    {
                        "name": "Use-specific grade",
                        "kind": "category",
                        "unit_or_values": "declared grade, governing specification and verified | failed | unassessed conformity",
                        "why_it_matters": "Prevents a grade name from substituting for measured compliance with the intended use."
                    }
                ],
                "affordances": [
                    "Identify or reject a suspected fluorite specimen using converging mineralogical evidence.",
                    "Select identification and characterisation methods compatible with specimen preservation.",
                    "Compare a specimen or lot with documented collection, optical or industrial acceptance criteria.",
                    "Trace locality and treatment claims to supporting records.",
                    "Determine whether sampling, cleaning, cutting, storage or transport is compatible with its condition.",
                    "Route uncertain identity, contamination or use suitability for further testing."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "mineral-identity",
                        "name": "Mineral identity",
                        "description": "Establish whether the subject is fluorite and what physical entity the record describes.",
                        "rationale": "Calcium fluoride chemistry, natural mineral origin and fluorite-bearing material are related but distinct identity claims.",
                        "layers": [
                            {
                                "id": "composition-and-confirmation",
                                "name": "Composition and confirmation",
                                "description": "Connect the proposed mineral name to compositional and structural evidence.",
                                "findings": [
                                    {
                                        "id": "fluorite-identification-evidence",
                                        "name": "Fluorite identification evidence",
                                        "description": "Record the observations and analyses supporting identification as the calcium fluoride mineral.",
                                        "questions": [
                                            {
                                                "text": "What evidence establishes fluorite rather than a visually similar mineral or an unidentified calcium-bearing material?",
                                                "kind": "definition",
                                                "id": "fluorite-identification-evidence-q01"
                                            },
                                            {
                                                "text": "Which compositional or diffraction measurements support the identification, and what uncertainty remains?",
                                                "kind": "measurement",
                                                "id": "fluorite-identification-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "entity-and-origin-boundaries",
                                "name": "Entity and origin boundaries",
                                "description": "Separate a natural mineral specimen from synthetic crystals and mixed commercial materials.",
                                "findings": [
                                    {
                                        "id": "recorded-material-boundary",
                                        "name": "Recorded material boundary",
                                        "description": "Specify whether the record concerns a crystal, a matrix specimen or a lot containing fluorite.",
                                        "questions": [
                                            {
                                                "text": "Does this record describe fluorite itself, a fluorite-bearing rock or concentrate, or synthetic calcium fluoride?",
                                                "kind": "boundary",
                                                "id": "recorded-material-boundary-q01"
                                            },
                                            {
                                                "text": "What documentation supports the claimed natural origin and links it to this specimen or lot?",
                                                "kind": "provenance",
                                                "id": "recorded-material-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "crystal-and-optical-properties",
                        "name": "Crystal and optical properties",
                        "description": "Characterise the physical and optical features used to recognise and evaluate fluorite.",
                        "rationale": "Fluorite's cleavage, variable appearance and conditional luminescence require separate observations rather than a single visual identification.",
                        "layers": [
                            {
                                "id": "habit-cleavage-and-hardness",
                                "name": "Habit, cleavage and hardness",
                                "description": "Record crystal geometry and mechanical diagnostic evidence.",
                                "findings": [
                                    {
                                        "id": "mechanical-identification-profile",
                                        "name": "Mechanical identification profile",
                                        "description": "Distinguish original crystal faces from cleavage surfaces and document hardness evidence.",
                                        "questions": [
                                            {
                                                "text": "Which visible surfaces are growth faces, cleavage planes or later fractures?",
                                                "kind": "measurement",
                                                "id": "mechanical-identification-profile-q01"
                                            },
                                            {
                                                "text": "Can hardness and cleavage be assessed without unacceptable damage to this specimen?",
                                                "kind": "action",
                                                "id": "mechanical-identification-profile-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "appearance-and-luminescence",
                                "name": "Appearance and luminescence",
                                "description": "Describe colour, clarity and excitation-dependent light emission.",
                                "findings": [
                                    {
                                        "id": "documented-optical-response",
                                        "name": "Documented optical response",
                                        "description": "Keep ordinary-light appearance separate from fluorescence and other observed emission.",
                                        "questions": [
                                            {
                                                "text": "What colour zoning, inclusions and transparency are observed under documented lighting conditions?",
                                                "kind": "measurement",
                                                "id": "documented-optical-response-q01"
                                            },
                                            {
                                                "text": "Under which excitation wavelengths does this specimen emit light, and does emission persist after excitation ends?",
                                                "kind": "measurement",
                                                "id": "documented-optical-response-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "geological-and-specimen-provenance",
                        "name": "Geological and specimen provenance",
                        "description": "Locate fluorite within its geological association and documented specimen history.",
                        "rationale": "Locality and mineral associations inform interpretation, while specimen history establishes whether those claims apply to the material in hand.",
                        "layers": [
                            {
                                "id": "occurrence-and-associations",
                                "name": "Occurrence and associations",
                                "description": "Capture host material, mineral companions and evidence for the occurrence setting.",
                                "findings": [
                                    {
                                        "id": "geological-context",
                                        "name": "Geological context",
                                        "description": "Record the observed geological setting without inferring a formation history from colour or habit alone.",
                                        "questions": [
                                            {
                                                "text": "Which host rock, matrix and associated minerals are documented for this fluorite?",
                                                "kind": "provenance",
                                                "id": "geological-context-q01"
                                            },
                                            {
                                                "text": "What evidence supports the proposed occurrence type or formation setting?",
                                                "kind": "provenance",
                                                "id": "geological-context-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "locality-and-treatment-history",
                                "name": "Locality and treatment history",
                                "description": "Track locality attribution and interventions affecting the specimen.",
                                "findings": [
                                    {
                                        "id": "specimen-history-confidence",
                                        "name": "Specimen history confidence",
                                        "description": "Distinguish documented collection information and treatments from unverified claims.",
                                        "questions": [
                                            {
                                                "text": "Which labels, collection records or supplier documents establish the locality and continuity of specimen identity?",
                                                "kind": "provenance",
                                                "id": "specimen-history-confidence-q01"
                                            },
                                            {
                                                "text": "Has the fluorite been cleaned, coated, repaired, heated or irradiated, and what evidence supports that history?",
                                                "kind": "provenance",
                                                "id": "specimen-history-confidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "composition-grade-and-use-fit",
                        "name": "Composition, grade and use fit",
                        "description": "Assess fluorite-bearing material against explicit requirements for its proposed use.",
                        "rationale": "A mineral name does not establish purity, optical quality or conformity with a commercial fluorspar specification.",
                        "layers": [
                            {
                                "id": "assay-and-representativeness",
                                "name": "Assay and representativeness",
                                "description": "Record fluorite content, impurities and the sampling basis of reported values.",
                                "findings": [
                                    {
                                        "id": "lot-composition-confidence",
                                        "name": "Lot composition confidence",
                                        "description": "Connect assay results to the heterogeneous specimen or lot they are intended to describe.",
                                        "questions": [
                                            {
                                                "text": "What are the measured CaF2 content and relevant impurities, with methods, reporting basis and detection limits?",
                                                "kind": "measurement",
                                                "id": "lot-composition-confidence-q01"
                                            },
                                            {
                                                "text": "How was the sample selected, and does it represent the full lot rather than selected fluorite-rich pieces?",
                                                "kind": "provenance",
                                                "id": "lot-composition-confidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "application-acceptance",
                                "name": "Application acceptance",
                                "description": "Evaluate documented requirements for collection, fabrication or industrial consumption.",
                                "findings": [
                                    {
                                        "id": "verified-use-suitability",
                                        "name": "Verified use suitability",
                                        "description": "Make suitability conditional on the intended application and verified acceptance criteria.",
                                        "questions": [
                                            {
                                                "text": "Which specification defines acceptable purity, impurities, particle size or optical defects for the proposed use?",
                                                "kind": "boundary",
                                                "id": "verified-use-suitability-q01"
                                            },
                                            {
                                                "text": "Do the available measurements justify acceptance, rejection or additional testing for that use?",
                                                "kind": "action",
                                                "id": "verified-use-suitability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "condition-and-intervention",
                        "name": "Condition and intervention",
                        "description": "Determine how the fluorite's integrity, physical form and composition constrain handling and treatment.",
                        "rationale": "A display crystal, fractured cutting blank and dusty concentrate require different decisions even when all contain fluorite.",
                        "layers": [
                            {
                                "id": "integrity-and-preservation",
                                "name": "Integrity and preservation",
                                "description": "Assess existing damage and the consequences of proposed physical interventions.",
                                "findings": [
                                    {
                                        "id": "cleavage-sensitive-condition",
                                        "name": "Cleavage-sensitive condition",
                                        "description": "Record chips, internal fractures, cleavage damage and repairs relevant to preservation or fabrication.",
                                        "questions": [
                                            {
                                                "text": "Where are cleavage cracks, chips, inclusions or repairs, and how extensive are they?",
                                                "kind": "measurement",
                                                "id": "cleavage-sensitive-condition-q01"
                                            },
                                            {
                                                "text": "What support, packaging or cutting approach is justified by the observed integrity and intended outcome?",
                                                "kind": "action",
                                                "id": "cleavage-sensitive-condition-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "exposure-and-chemical-intervention",
                                "name": "Exposure and chemical intervention",
                                "description": "Tie handling and treatment decisions to the actual material and proposed process.",
                                "findings": [
                                    {
                                        "id": "material-specific-handling-evidence",
                                        "name": "Material-specific handling evidence",
                                        "description": "Require applicable evidence for dust controls, chemical compatibility and hazardous constituents.",
                                        "questions": [
                                            {
                                                "text": "Which safety documentation and jurisdiction-specific requirements apply to this fluorite material, including its impurities and particle size?",
                                                "kind": "provenance",
                                                "id": "material-specific-handling-evidence-q01"
                                            },
                                            {
                                                "text": "What verified compatibility and exposure information is needed before grinding, heating or applying chemical cleaners?",
                                                "kind": "action",
                                                "id": "material-specific-handling-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "This is recalled knowledge, not a researched or source-verified record.",
                                            "Fluorescence is variable: many fluorite specimens fluoresce, but fluorescence is not a required identifying property.",
                                            "Verify application-specific purity thresholds, impurity limits and applicable hazard classifications before assigning a commercial grade or regulatory status."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Blue John: a banded purple, blue and yellow ornamental variety"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "Chemical formula",
                                                "value_or_pattern": "CaF2",
                                                "note": "Ideal composition; natural specimens may contain impurities, inclusions and lattice defects."
                                            },
                                            {
                                                "scheme": "CAS Registry Number",
                                                "value_or_pattern": "7789-75-5",
                                                "note": "Identifies calcium fluoride; does not specify a natural fluorite specimen or commercial ore grade."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Acid-grade fluorspar supplies calcium fluoride for manufacturing hydrogen fluoride and downstream fluorine chemicals.",
                                            "Metallurgical-grade fluorspar serves as a flux in metal production.",
                                            "Fluorspar is used in some glass, enamel and ceramic formulations.",
                                            "High-purity calcium fluoride crystals are used in optical components; these are commonly grown synthetically.",
                                            "Attractive fluorite specimens are collected or carved into ornamental objects."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Mohs hardness",
                                                "typical_range": "4",
                                                "unit": "Mohs scale"
                                            },
                                            {
                                                "quantity": "Density",
                                                "typical_range": "Approximately 3.18 for relatively pure material",
                                                "unit": "g/cm³"
                                            },
                                            {
                                                "quantity": "Melting point of pure calcium fluoride",
                                                "typical_range": "Approximately 1418",
                                                "unit": "°C"
                                            },
                                            {
                                                "quantity": "Cleavage",
                                                "typical_range": "Perfect in four crystallographic directions, producing octahedral cleavage fragments",
                                                "unit": "Not applicable"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Low hardness makes polished surfaces susceptible to scratching and wear.",
                                            "Perfect cleavage and brittleness make crystals vulnerable to splitting or chipping under impact.",
                                            "Some coloration can fade with exposure to light or heat.",
                                            "Cutting and grinding generate dust; ore impurities can introduce additional hazards.",
                                            "Reaction with strong acids, particularly sulfuric acid under processing conditions, can release hazardous hydrogen fluoride."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Blue John is associated with the Castleton area of Derbyshire, England.",
                                            "Commercial fluorspar grades and impurity specifications depend on the market, purchaser and intended process."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "Calcium fluoride",
                                                "difference": "Calcium fluoride names the chemical compound, including synthetic material; fluorite names its naturally occurring mineral species."
                                            },
                                            {
                                                "name": "Fluorspar",
                                                "difference": "Often a synonym for fluorite, but commercial usage also covers fluorite-bearing ore and concentrates with specified grades and impurities."
                                            },
                                            {
                                                "name": "Calcite",
                                                "difference": "Calcite is CaCO3, has Mohs hardness 3 and rhombohedral cleavage; fluorite is CaF2, has hardness 4 and octahedral cleavage."
                                            },
                                            {
                                                "name": "Quartz",
                                                "difference": "Quartz is SiO2, has Mohs hardness 7 and lacks cleavage; fluorite is softer and has perfect octahedral cleavage."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of fluorite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend fluorite to include synthetic calcium fluoride and commercial fluorspar lots, or should those be linked neighbouring models?",
                "Which authoritative identifiers apply to the mineral versus the chemical substance, and how should CAS, EC and PubChem records be linked without conflating those scopes?",
                "Which primary references should establish diagnostic property ranges and the conditions attached to optical and thermal measurements?",
                "Which current specifications define relevant fluorspar grades and optical acceptance criteria, and how do they vary by purchaser or application?",
                "Which current safety classifications, exposure limits and treatment restrictions apply to particular fluorite forms, contaminants and jurisdictions?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "chemical substance or material",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a fluorite, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise fluorite, assess the identity and condition of a specimen or material lot, and determine its suitability for a proposed use.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: ratovkite, yttrofluorite, yttrocerite, antozonite, Chlorophane.",
                "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 66 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a fluorite, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "howItIsRecognised": [
                "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "ratovkite",
                        "yttrofluorite",
                        "yttrocerite",
                        "antozonite",
                        "Chlorophane"
                    ]
                }
            ],
            "standing": "Described in 66 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one fluorite from another, and a fluorite from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a fluorite sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a fluorite from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a fluorite is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a fluorite is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a fluorite is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a fluorite is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a fluorite is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a fluorite is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a fluorite passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a fluorite between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a fluorite, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a fluorite is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a fluorite and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a fluorite is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a fluorite performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a fluorite.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a fluorite at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "supply-and-consumption",
                                "name": "Supply and consumption",
                                "description": "Quantities, rates and what running out means.",
                                "findings": [
                                    {
                                        "id": "consumption-and-stock",
                                        "name": "Consumption, stock and replenishment",
                                        "description": "How much of a fluorite there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q02",
                                                "text": "Who or what asserted this about the supply of a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q03",
                                                "text": "What may an agent decide or do once the supply of a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "composition-and-identity",
                        "name": "Composition, grade and chemical identity",
                        "description": "What fluorite is made of and how pure the thing in hand is.",
                        "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.",
                        "layers": [
                            {
                                "id": "chemical-identity",
                                "name": "Chemical identity",
                                "description": "Formula, structure and the registry numbers that name it unambiguously.",
                                "findings": [
                                    {
                                        "id": "identity-record",
                                        "name": "Identity and registry numbers",
                                        "description": "What identifies this substance across suppliers and regulators.",
                                        "questions": [
                                            {
                                                "id": "identity-record-q01",
                                                "text": "What formula, structure and registry identifiers name fluorite unambiguously?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "identity-record-q02",
                                                "text": "Which related substances share a name in common use but not an identifier?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "grade-and-impurities",
                                "name": "Grade, purity and impurities",
                                "description": "The specification a batch meets and what else is in it.",
                                "findings": [
                                    {
                                        "id": "specification",
                                        "name": "Specification and assay",
                                        "description": "How purity is stated and measured, and which impurities matter.",
                                        "questions": [
                                            {
                                                "id": "specification-q01",
                                                "text": "What grades of fluorite exist, how is purity assayed, and which impurities are limited?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "specification-q02",
                                                "text": "Which use requires which grade, and what happens when a lower grade is substituted?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "properties-and-behaviour",
                        "name": "Properties and behaviour",
                        "description": "How fluorite behaves under conditions an agent can measure or change.",
                        "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.",
                        "layers": [
                            {
                                "id": "physical-constants",
                                "name": "Physical constants",
                                "description": "Values that hold for the pure substance, with their conditions.",
                                "findings": [
                                    {
                                        "id": "constants-record",
                                        "name": "Constants and conditions",
                                        "description": "The quantities worth recording and the state they apply in.",
                                        "questions": [
                                            {
                                                "id": "constants-record-q01",
                                                "text": "What are the defining physical constants of fluorite, in what units and under what conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "constants-record-q02",
                                                "text": "Which of these values change with grade or form rather than being fixed?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "stability-and-reactivity",
                                "name": "Stability and reactivity",
                                "description": "What it reacts with, degrades into, and how it is stored.",
                                "findings": [
                                    {
                                        "id": "incompatibilities",
                                        "name": "Incompatibilities and degradation",
                                        "description": "What must not meet it, and what it becomes over time.",
                                        "questions": [
                                            {
                                                "id": "incompatibilities-q01",
                                                "text": "What is fluorite incompatible with, and what does it degrade into under storage?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "incompatibilities-q02",
                                                "text": "What storage and handling does that require, and who is competent to do it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "hazard-and-regulation",
                        "name": "Hazard classification and regulation",
                        "description": "How fluorite can harm, and what the law says about holding and moving it.",
                        "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.",
                        "layers": [
                            {
                                "id": "hazard-class",
                                "name": "Hazard classification",
                                "description": "Classified hazards, exposure limits and protective measures.",
                                "findings": [
                                    {
                                        "id": "classified-hazards",
                                        "name": "Classified hazards and limits",
                                        "description": "The classification, the scheme it belongs to, and the limits set.",
                                        "questions": [
                                            {
                                                "id": "classified-hazards-q01",
                                                "text": "How is fluorite classified for hazard, under which scheme, and what exposure limits apply?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "classified-hazards-q02",
                                                "text": "What protection does handling require, and what must an agent refuse to do without it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "regulatory-identity",
                                "name": "Regulatory identity and control",
                                "description": "Registration, restriction and transport rules by jurisdiction.",
                                "findings": [
                                    {
                                        "id": "controls",
                                        "name": "Controls and jurisdiction",
                                        "description": "Where it is restricted and what the restriction attaches to.",
                                        "questions": [
                                            {
                                                "id": "controls-q01",
                                                "text": "Which registrations, restrictions or transport rules cover fluorite, and where?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "controls-q02",
                                                "text": "Does the control attach to the substance, its concentration, or its intended use?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a fluorite came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a fluorite and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a fluorite is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a fluorite, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a fluorite, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a fluorite is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 9,
                "layers": 20,
                "findings": 22,
                "questions": 60
            }
        }
    }
}