{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.diamond","code":"thing-q5283","url":"https://ver.cy/models/thing/q5283/","name":"diamond","alternateNames":["rough diamond","boron-doped diamond","rose diamond","color diamond","Jewels of James III of Scotland","pink diamond","nanodiamonds","bort","industrial diamond","Golconda Diamonds","blue diamond","red diamond"],"kind":"thing","status":"published","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A crystalline allotrope of carbon in which each atom is bonded to four others in a rigid lattice, the hardest known natural material, valued as a gemstone in rough and cut forms including rose cuts and coloured diamonds such as pink diamonds, and used industrially for cutting, in electronics as boron-doped semiconducting diamond and in optics; diamonds form deep in the mantle, are mined and increasingly grown synthetically, and historical stones such as those recorded among the jewels of James III of Scotland illustrate their role in royal treasuries.","purpose":"Let an agent explain diamond as a material and gemstone, relay structure, formation, grading and uses from mineralogy and gemmology sources, describe synthetic and industrial diamond, and distinguish diamond from graphite, from simulants such as cubic zirconia and from the card suit and geometric senses.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Tetrahedral carbon lattice","Extreme hardness","Gem and industrial use","Natural and synthetic"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What diamond is.","layers":[{"id":"definition","name":"Definition","description":"Definition and structure.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is diamond, and how does its structure differ from graphite and from simulants?","kind":"definition"},{"text":"Is the question about the material, gemstones, industry or another sense of diamond?","kind":"boundary"}]}]},{"id":"kinds","name":"Kinds","description":"Kinds.","findings":[{"id":"kinds-finding","name":"Kinds","description":"Kinds.","questions":[{"text":"What are rough, rose-cut, coloured and pink diamonds, and boron-doped diamond?","kind":"definition"},{"text":"Which entry fits the specific kind?","kind":"action"}]}]}]},{"id":"science","name":"Science","description":"Formation and properties.","layers":[{"id":"formation","name":"Formation","description":"Formation and mining.","findings":[{"id":"formation-finding","name":"Formation","description":"Formation.","questions":[{"text":"How do diamonds form in the mantle, reach the surface in kimberlites and get mined?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"synthetic","name":"Synthetic","description":"Synthetic diamond.","findings":[{"id":"synthetic-finding","name":"Synthetic","description":"Synthetic.","questions":[{"text":"How are diamonds grown by HPHT and CVD, and how are they detected?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"use","name":"Use","description":"Uses.","layers":[{"id":"gems","name":"Gems","description":"Gemstones.","findings":[{"id":"gems-finding","name":"Gems","description":"Gems.","questions":[{"text":"How are diamonds cut and graded by the four Cs, and how is the market structured?","kind":"provenance"},{"text":"Which entry fits diamond cutting?","kind":"action"}]}]},{"id":"industry","name":"Industry","description":"Industry and electronics.","findings":[{"id":"industry-finding","name":"Industry","description":"Industry.","questions":[{"text":"How is diamond used in cutting tools, optics and boron-doped semiconductors?","kind":"provenance"},{"text":"Which entry fits industrial diamond?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Ethics and history.","layers":[{"id":"ethics","name":"Ethics","description":"Ethics.","findings":[{"id":"ethics-finding","name":"Ethics","description":"Ethics.","questions":[{"text":"What are the debates about conflict diamonds, the Kimberley Process and mining, with positions attributed?","kind":"provenance"},{"text":"Is the presentation neutral?","kind":"boundary"}]}]},{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How have diamonds figured in history, from Indian mines to royal jewels such as those of James III of Scotland?","kind":"provenance"},{"text":"Which entry fits the history of diamonds?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Describe diamonds' properties, cuts and colours from gemmological sources.","Report whether a stone has been tested as natural, synthetic or a simulant, citing the laboratory."],"mustNot":["Sell or describe a synthetic diamond or simulant as natural.","Help trade diamonds that fund armed conflict or evade certification.","Overstate a stone's grade or value.","Present one side of the debate on mining or conflict diamonds as uncontested."],"requiresHuman":["Certifying or valuing a diamond for sale, insurance or inheritance."]},"ethics":{"considerations":["Diamond mining has funded wars and harmed workers and communities.","High value invites fraud against buyers."],"affectedParties":["Mining communities","Buyers","Workers in cutting and trade"]},"owners":{"steward":"The person who owns the stone; certification schemes and laboratories record its origin and grade.","roles":[],"masterSystems":["Diamond grading laboratory records","Kimberley Process certificates"]},"relations":[{"target":"Q13292702","type":"parent","note":"registry parent class"},{"target":"Q622460","type":"parent","note":"registry parent class"},{"target":"Q632350","type":"parent","note":"registry parent class"},{"target":"Q723127","type":"parent","note":"registry parent class"},{"target":"Q83437","type":"parent","note":"registry parent class"},{"target":"allotrope of carbon","type":"related","note":"in registry terms"},{"target":"covalent network solid","type":"related","note":"in registry terms"},{"target":"graphite","type":"related","note":"the soft carbon allotrope"},{"target":"four Cs","type":"related","note":"cut, colour, clarity, carat"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.diamond","Wikidata: Q5283 (https://www.wikidata.org/wiki/Q5283)","mineral: diamond IMA approved","CAS: 7782-40-3"]},"properties":{"applicability":"required","items":["Mohs hardness: 10 scale","density: 3.52 g per cubic cm","refractive index: 2.42 value","largest rough: Cullinan, 3106 carats - 1905"]},"recognition":{"applicability":"required","items":["Hardest carbon crystal","Rough diamond, rose diamond, colour diamond, pink diamond, boron-doped diamond","Graphite is soft carbon; cubic zirconia and moissanite are simulants; the card suit is a symbol","A transparent, brilliant crystal, colourless or coloured."]},"capabilities":{"applicability":"required","items":["explain structure and formation","relay grading and uses","describe synthetic diamond","distinguish related materials"]},"hazards":{"applicability":"required","items":["Undisclosed synthetics and simulants","Conflict diamond trade, with positions attributed","Registry aliases mixing cuts, colours and a historical inventory"]},"interfaces":{"applicability":"required","items":["Kimberley Process for conflict diamonds","Gemmological grading standards such as GIA","Disclosure rules for synthetic diamonds"]},"context":{"applicability":"required","items":["Gemstones, cutting tools and advanced materials.","rough diamonds","cut diamonds including rose cuts","coloured diamonds such as pink, blue and yellow","industrial diamond","synthetic diamond by HPHT and CVD","doped diamonds such as boron-doped semiconducting diamond"]}},"sources":[{"title":"Wikidata item Q5283: diamond","url":"https://www.wikidata.org/wiki/Q5283","note":"identity and sense of the item"},{"title":"Wikipedia: Diamond","url":"https://en.wikipedia.org/wiki/Diamond","note":"general description of the item"}],"openQuestions":["Should synthetic diamond and coloured diamond be separate primary entries?","How should gemmology sources be linked?","The registry entry has merged aliases naming cuts, colours, doped forms and a royal inventory; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q5283/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q5283/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T13:56:15Z","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 2026-10-06T19:52:00+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}