{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.huttonite","code":"thing-q414620","url":"https://ver.cy/models/thing/q414620/","name":"huttonite","alternateNames":["cerphosphorhuttonite"],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Huttonite is a naturally occurring radioactive thorium orthosilicate mineral, ThSiO4, with a monoclinic monazite-type crystal structure, making it a polymorph of tetragonal thorite.","purpose":"Enable an AI agent to identify huttonite, evaluate the condition and evidential confidence of a specimen, and determine suitable characterization and handling actions.","scope":{"in":["Mineral identity supported by composition and crystal structure","Measured substitutions, inclusions, zoning and phase purity","Crystallinity, alteration and treatment-dependent phase state","Grain-scale properties and geological or laboratory provenance","Specimen-specific radiological measurements and handling constraints"],"out":["Thorite as a separately modeled mineral species","Monazite-group minerals beyond their relationship to huttonite","Whole-rock, placer deposit and mining-resource models","Thorium extraction and nuclear fuel production processes","Synthetic waste-form products containing a huttonite phase","Institution-wide radiation protection and transport regulation models"],"boundaries":[]},"distinguishingFeatures":["Require compatible chemistry and monoclinic diffraction evidence: huttonite has ideal composition ThSiO4 and a monazite-type structure. [Original mineral description](https://www.nature.com/articles/166157a0)","Distinguish huttonite from tetragonal thorite through structural evidence; the shared ThSiO4 formula cannot separate these polymorphs. [Polymorph transition study](https://www.sciencedirect.com/science/article/abs/pii/S0016703705003327)","Distinguish a discrete huttonite phase from a huttonite compositional component reported within another mineral by requiring spatially resolved chemistry and phase identification.","Do not identify huttonite from pale coloration, high density or a radiation reading alone; require evidence tied to the actual grain being classified."],"structure":{"bundles":[{"id":"species-and-polymorph-identity","name":"Species and polymorph identity","description":"Establish whether the registered thing is present as an identifiable huttonite phase.","layers":[{"id":"composition-and-structure","name":"Composition and structure","description":"Join chemical and crystallographic evidence from the same material.","findings":[{"id":"concordant-phase-evidence","name":"Concordant phase evidence","description":"Record whether chemistry and structural measurements jointly support the huttonite assignment.","questions":[{"text":"Does the analyzed domain have chemistry compatible with the ThSiO4 end member?","id":"concordant-phase-evidence-q01","kind":"measurement"},{"text":"Which diffraction observations support monoclinic huttonite, and were they obtained from the chemically analyzed domain?","id":"concordant-phase-evidence-q02","kind":"measurement"},{"text":"Which observations exclude thorite or an unresolved phase mixture?","id":"concordant-phase-evidence-q03","kind":"boundary"}]}]},{"id":"species-and-component-boundary","name":"Species and component boundary","description":"Separate a mineral occurrence from an end-member contribution or broad chemical label.","findings":[{"id":"discrete-phase-status","name":"Discrete phase status","description":"Make explicit whether huttonite denotes a resolved phase, a calculated component or an unverified specimen label.","questions":[{"text":"Does huttonite name a discrete mineral domain or only a calculated component in another mineral?","id":"discrete-phase-status-q01","kind":"definition"},{"text":"Do attached chemical identifiers distinguish this polymorph or refer broadly to thorium silicate?","id":"discrete-phase-status-q02","kind":"boundary"}]}]}]},{"id":"composition-and-domain-purity","name":"Composition and domain purity","description":"Describe departures from ideal chemistry at the scale where huttonite is identified.","layers":[{"id":"formula-and-substitution","name":"Formula and substitution","description":"Evaluate measured composition and the assumptions behind a normalized formula.","findings":[{"id":"supported-formula","name":"Supported formula","description":"Retain analytical totals, normalization choices and evidence for proposed substitutions.","questions":[{"text":"What formula follows from the measured composition, and what oxygen basis and valence assumptions were used?","id":"supported-formula-q01","kind":"measurement"},{"text":"Are measured P, rare-earth elements, Ca or U attributable to substitution or to neighboring phases?","id":"supported-formula-q02","kind":"boundary"}]}]},{"id":"grain-and-bulk-representativeness","name":"Grain and bulk representativeness","description":"Connect individual analytical spots to grains and the wider specimen.","findings":[{"id":"resolved-phase-purity","name":"Resolved phase purity","description":"Record zoning, intergrowths and phase abundance before assigning properties to a specimen.","questions":[{"text":"What imaging or mapping resolves huttonite domains from inclusions and host minerals?","id":"resolved-phase-purity-q01","kind":"measurement"},{"text":"What fraction of the specimen is huttonite, and how representative are the analyzed grains?","id":"resolved-phase-purity-q02","kind":"measurement"}]}]}]},{"id":"structural-condition-and-transformation","name":"Structural condition and transformation","description":"Track structural preservation, alteration and changes introduced by treatment.","layers":[{"id":"crystallinity-and-alteration","name":"Crystallinity and alteration","description":"Evaluate whether disorder or replacement compromises identification.","findings":[{"id":"preservation-evidence","name":"Preservation evidence","description":"Treat structural disorder and alteration as measured interpretations rather than consequences assumed from thorium content.","questions":[{"text":"What diffraction or spectroscopic evidence establishes the degree of structural order?","id":"preservation-evidence-q01","kind":"measurement"},{"text":"Can observed disorder be separated from small grain size, mixed phases or analytical artifacts?","id":"preservation-evidence-q02","kind":"boundary"},{"text":"Are rims or replacement domains chemically and structurally distinct from the huttonite interior?","id":"preservation-evidence-q03","kind":"measurement"}]}]},{"id":"treatment-and-phase-history","name":"Treatment and phase history","description":"Associate observed phases with documented preparation and experimental conditions.","findings":[{"id":"before-and-after-phase-state","name":"Before and after phase state","description":"Preserve evidence needed to decide whether treatment changed the material being identified.","questions":[{"text":"Was the material heated, chemically treated or synthesized before its huttonite identification?","id":"before-and-after-phase-state-q01","kind":"provenance"},{"text":"Which before-and-after measurements show phase retention or transformation under the recorded conditions?","id":"before-and-after-phase-state-q02","kind":"measurement"}]}]}]},{"id":"occurrence-and-characterization","name":"Occurrence and characterization","description":"Connect huttonite grains to their origin and to feasible diagnostic observations.","layers":[{"id":"origin-and-textural-context","name":"Origin and textural context","description":"Document natural occurrence or laboratory origin without conflating collection context with formation conditions.","findings":[{"id":"traceable-grain-origin","name":"Traceable grain origin","description":"Link the identified grain to a specimen, locality or synthesis record and its original texture.","questions":[{"text":"Which specimen and locality or synthesis record establish the origin of this huttonite domain?","id":"traceable-grain-origin-q01","kind":"provenance"},{"text":"Was it observed in its host, recovered as a loose grain or isolated by a separation procedure?","id":"traceable-grain-origin-q02","kind":"provenance"},{"text":"What evidence supports a formation interpretation beyond the place where the grain was collected?","id":"traceable-grain-origin-q03","kind":"boundary"}]}]},{"id":"diagnostic-observation-plan","name":"Diagnostic observation plan","description":"Select measurements suited to the size and condition of the available material.","findings":[{"id":"feasible-identification-sequence","name":"Feasible identification sequence","description":"Use physical observations as supporting evidence and prioritize tests that resolve phase identity.","questions":[{"text":"Do grain dimensions and mounting permit diffraction, microanalysis or optical measurements with adequate spatial resolution?","id":"feasible-identification-sequence-q01","kind":"measurement"},{"text":"Which next measurement would most reduce uncertainty between huttonite and its competing identifications?","id":"feasible-identification-sequence-q02","kind":"action"},{"text":"Are reported density or optical values measured on this material or borrowed from a reference specimen?","id":"feasible-identification-sequence-q03","kind":"provenance"}]}]}]},{"id":"thorium-bearing-specimen-actions","name":"Thorium-bearing specimen actions","description":"Connect the measured radiological and physical condition of huttonite-bearing material to proposed actions.","layers":[{"id":"radiological-and-dispersal-state","name":"Radiological and dispersal state","description":"Record the evidence relevant to exposure and material release for the actual specimen.","findings":[{"id":"specimen-specific-assessment","name":"Specimen-specific assessment","description":"Keep radionuclide activity, external readings and physical containment as distinct observations.","questions":[{"text":"What radionuclide activities or radiation readings are available, with measurement geometry, background and uncertainty?","id":"specimen-specific-assessment-q01","kind":"measurement"},{"text":"Is the material fixed in a mount, enclosed, loose or powdered, and has removable contamination been assessed?","id":"specimen-specific-assessment-q02","kind":"measurement"}]}]},{"id":"analysis-storage-and-transfer","name":"Analysis, storage and transfer","description":"Determine which actions are supported by specimen evidence and applicable requirements.","findings":[{"id":"action-readiness","name":"Action readiness","description":"Associate proposed preparation, storage or transfer with the relevant material assessment and current local requirements.","questions":[{"text":"Does the proposed cutting, grinding or dissolution require a revised assessment of dispersal and containment?","id":"action-readiness-q01","kind":"action"},{"text":"Which verified institutional and jurisdictional requirements apply to this specimen's quantity, activity and intended action?","id":"action-readiness-q02","kind":"action"},{"text":"What retained grain, image or analytical record will preserve identification evidence if destructive analysis proceeds?","id":"action-readiness-q03","kind":"action"}]}]}]},{"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.","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.","questions":[{"text":"Which of these check these first hold for the sense of huttonite this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of huttonite this model covers, and on what evidence?","id":"evidence-identifiers-q01","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.","questions":[{"text":"Which of these real-world use hold for the sense of huttonite this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of huttonite this model covers, and on what evidence?","id":"evidence-measurements-q01","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.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of huttonite this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","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.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of huttonite this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify huttonite in mineral collections and record its source and radioactivity.","Explain its mineralogy and its relation to thorite from reliable sources.","Advise storing radioactive mineral specimens in labelled, ventilated places away from living areas."],"mustNot":["Advise wearing, grinding or keeping radioactive specimens close to the body.","Ship or sell specimens without the labelling and declarations required for radioactive material.","Help anyone collect from protected sites without permission.","Misidentify the mineral to raise its sale value."],"requiresHuman":["Disposing of radioactive specimens or transporting them across borders."]},"ethics":{"considerations":["Radioactive minerals can expose collectors and their families to radiation and dust.","Rare mineral sites should be protected from over-collection."],"affectedParties":["Collectors and their families","Museum staff","Postal and transport workers"]},"owners":{"steward":"The collector, museum or institution that holds the specimen.","roles":[],"masterSystems":["Mineral databases and museum collection catalogues"]},"relations":[{"target":"Q3777755","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.huttonite","Wikidata: Q414620 (https://www.wikidata.org/wiki/Q414620)"]},"properties":{"applicability":"required","items":["Phase identification confidence: candidate | supported | confirmed | unresolved mixture","Crystal structure: monoclinic; measured space group and reference pattern","Grain composition: element or oxide mass%; atoms per formula unit; analytical uncertainty","Substitution and zoning: spatial distributions of Th, Si, P, rare-earth elements, Ca and U where measured","Huttonite phase fraction: mass% or volume%, with method and detection limit","Structural preservation: crystalline | partly disordered | metamict candidate | unresolved","Grain dimensions and physical form: µm or mm; mounted grain | enclosed specimen | loose grains | powder","Density: g/cm³; measured or calculated, with uncertainty","Thermal and chemical treatment history: linked treatment records with temperature, pressure, atmosphere, reagents and duration","Radiological condition: Bq/g by radionuclide where available; µSv/h with geometry and background; removable contamination with method","Material identifier applicability: registry identity and verified external identifiers with scope and source"]},"recognition":{"applicability":"required","items":["Tiny colourless to pale cream crystals or grains, usually requiring magnification.","Found as a rare accessory mineral in certain sands and rocks.","Registers above background on a radiation detector."]},"capabilities":{"applicability":"required","items":["Select complementary grain chemistry and diffraction measurements to resolve a candidate identification.","Compare mapped domains to distinguish discrete huttonite from inclusions and compositional substitution.","Assess whether alteration or structural disorder makes an identification provisional.","Track whether heating or preparation changed the original phase assemblage.","Determine whether mounting, storage, transfer or destructive analysis has adequate specimen-specific evidence and authorization."]},"hazards":{"applicability":"required","items":["Contains thorium and emits ionising radiation.","Dust from breaking or grinding specimens can be inhaled."]},"interfaces":{"applicability":"required","items":["Regulations for the Safe Transport of Radioactive Material, International Atomic Energy Agency."]},"context":{"applicability":"required","items":["Huttonite is encountered as a rare accessory mineral in geological specimens and mineral collections.","It is studied to understand thorium-bearing minerals, crystal structures and the geological conditions that distinguish it from thorite.","Its natural radioactivity is relevant to specimen storage, characterization and institutional handling requirements."]}},"sources":[{"title":"Wikidata item Q414620: huttonite","url":"https://www.wikidata.org/wiki/Q414620","note":"identity and sense of the item"},{"title":"Wikipedia: Huttonite","url":"https://en.wikipedia.org/wiki/Huttonite","note":"general description of the item"}],"openQuestions":["What current mineral nomenclature criteria separate substituted huttonite from neighboring compositions and a huttonite component within another mineral?","Which modern crystallographic reference and diagnostic reflections should govern identification, including checks against corrected historical measurements?","What experimentally supported pressure-temperature-composition conditions constrain huttonite stability and transformation kinetics relative to thorite?","Which observations reliably distinguish radiation-related disorder from alteration and preparation artifacts in natural huttonite?","Do CAS, PubChem or EC identifiers apply specifically to huttonite, and which verified classifications or exposure requirements apply to the actual specimen and jurisdiction?"],"resources":{"spec":"/models/things/publications/thing-q414620/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q414620/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T10:21:45Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:30+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}