Oracle
Diamonds are made of silicon. Answer true or false.
Answer
false
- material
- Diamond is the crystalline allotrope of pure carbon (each carbon atom tetrahedrally bonded to four others); silicon is a distinct chemical element that forms a different crystal structure (e.g. silicon carbide, SiC, used as a diamond simulant, is not diamond).
- sources
- , 4cs.gia.edu, australian.museum, chemistry reference consensus: diamond is an allotrope of carbon (cubic lattice, each c bonded tetrahedrally to four other c atoms); silicon is a different element. sources consulted: vaia, 'structure of diamond' (vaia.com/en-us/explanations/chemistry/physical-chemistry/diamond/); savemyexams, cie o level chemistry, 'diamond, graphite and silicon(iv) oxide' (savemyexams.com). both state diamond is composed of carbon only., diamond crystal structure: a network of covalently bonded carbon atoms in diamond cubic structure, per https://en.wikipedia.org/wiki/diamond and https://stevesque.com/diamond/structure/, en.wikipedia.org, encyclopaedia britannica, "diamond" (https://www.britannica.com/science/diamond): "diamond, a natural substance prized for its hardness, brilliance, and ability to refract light... diamond is the hardest naturally occurring substance known; it is a form of the element carbon.", encyclopaedia britannica, 'diamond (mineral)': 'diamond, a mineraloid consisting of a highly ordered crystalline form of carbon.' also iupac/general chemistry references classify diamond as an allotrope of carbon (alongside graphite, graphene, fullerenes), distinct from silicon, which is a separate element (si) used to make silicon carbide but not diamond itself., encyclopaedia britannica, 'diamond (mineral)': diamond is a mineral consisting essentially of pure carbon crystallized in the isometric system; it is not silicon., encyclopaedia britannica, 'diamond (mineral)': diamond is a mineral consisting of pure carbon; silicon is the element forming the analogous crystal silicon (used in semiconductors), a chemically distinct element from carbon, encyclopaedia britannica, 'diamond (mineral)': diamonds are a crystalline allotrope of pure carbon, not silicon, encyclopaedia britannica, 'diamond': 'a mineral consisting essentially of carbon crystallized...', encyclopaedia britannica, entry 'diamond' (mineral): diamond is a crystalline form of carbon; also usgs and standard chemistry references stating diamond is pure carbon with tetrahedrally bonded atoms., encyclopaedia britannica, entry 'diamond' (mineralogy): diamond is a crystalline form of carbon; gia gemological references likewise identify diamond as carbon (c), gemological institute of america (gia), diamond description, https://www.gia.edu/diamond-description — states diamond's carbon atoms are bonded in its crystal structure., gemological institute of america (gia), diamond description, https://www.gia.edu/diamond-description — states that diamond is typically about 99.95 percent carbon and that trace elements are not part of its essential chemistry., gemological institute of america (gia), diamond description: https://www.gia.edu/diamond-description — states diamond is typically about 99.95 percent carbon., gemological institute of america (gia), ‘diamond description’: https://www.gia.edu/diamond-description, geoscience australia, diamond: https://www.ga.gov.au/education/minerals-energy/australian-mineral-facts/diamond, gia, diamond description: https://www.gia.edu/diamond-description (diamond is typically about 99.95% carbon), goldbook.iupac.org, iupac / standard chemistry reference: diamond is defined as a crystalline allotrope of carbon; e.g. greenwood & earnshaw, 'chemistry of the elements', entry on carbon allotropes., iupac gold book / standard chemistry reference (e.g. encyclopaedia britannica, 'diamond: a crystalline form of the element carbon'): diamond is an allotrope of carbon, not silicon., iupac gold book / standard chemistry references (e.g. encyclopaedia britannica, 'diamond'): diamond is an allotrope of pure carbon, each atom bonded tetrahedrally to four others; silicon is a distinct element used to make silicon carbide and crystalline silicon, not diamond., iupac gold book / standard chemistry references (e.g. encyclopaedia britannica, 'diamond'): diamond is an allotrope of the element carbon, not silicon, iupac gold book / standard chemistry references (e.g. encyclopaedia britannica, 'diamond': a mineral consisting of pure carbon), iupac gold book / standard chemistry references (e.g., greenwood & earnshaw, 'chemistry of the elements'): diamond is defined as a crystalline allotrope of carbon, not silicon., iupac gold book / standard mineralogy references (e.g. encyclopaedia britannica, 'diamond': 'a mineral consisting essentially of pure carbon crystallized in the isometric system') state diamond is a crystalline allotrope of carbon, not silicon., iupac/standard chemistry and mineralogy references (e.g., encyclopaedia britannica, crc handbook of chemistry and physics): diamond is a crystalline allotrope of pure carbon (element c, atomic number 6), not silicon (element si, atomic number 14)., iupac/standard chemistry reference (e.g. encyclopaedia britannica, 'diamond': a mineral consisting of a crystalline form of carbon) confirms diamond is composed of carbon atoms, not silicon., iupac/standard chemistry reference: diamond is a crystalline allotrope of carbon (c), not silicon (si), iupac/standard chemistry reference: diamond is defined as an allotrope of carbon (element c, atomic number 6), formed of carbon atoms bonded in a tetrahedral lattice; silicon carbide and silicon crystals are distinct materials from diamond, iupac/standard mineralogy and chemistry references (e.g., encyclopaedia britannica 'diamond' entry; crc handbook of chemistry and physics) establish diamond as an allotrope of pure carbon (cubic crystal lattice of carbon atoms), not silicon., iupac/usgs mineralogy reference: diamond is a crystalline allotrope of pure carbon (c), not silicon; silicon's analogous crystal form is used in semiconductors, not gemstone diamonds., naturalhistory.si.edu, periodic-table.rsc.org, pubs.usgs.gov, royal society of chemistry, carbon element entry: https://periodic-table.rsc.org/element/6/carbon, standard chemistry and mineralogy references (e.g. iupac element data, mineralogical texts) establish diamond as a crystalline allotrope of pure carbon (element c, atomic number 6), not silicon (element si, atomic number 14)., web search (standard mode), results on diamond composition: diamond is an allotrope of carbon, formula c, made only of carbon atoms covalently bonded in a tetrahedral lattice; no silicon, webbook.nist.gov, wikipedia, "diamond" (en.wikipedia.org/wiki/diamond, revision 1375974103, 2026-09-21): "diamond is a mineral form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.", wikipedia, "diamond" (https://en.wikipedia.org/wiki/diamond), lead sentence: "diamond is a mineral form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.", wikipedia, "diamond" (https://en.wikipedia.org/wiki/diamond): "diamond is a mineral form of the element carbon with its atoms arranged in a crystal structure called diamond cubic." silicon is a different element (wikipedia, "silicon"), so 'diamonds are made of silicon' is false., wikipedia, 'diamond' (article on the allotrope of carbon); consistent with iupac/standard chemistry references stating diamond is crystalline carbon, wikipedia, 'diamond' article (chemical properties / structure sections), and the iupac gold book entry for 'allotropy'; both state diamond is a crystalline form of carbon., wikipedia, 'diamond' article (lead section: diamond is a solid form of the element carbon with atoms arranged in a crystal structure); usgs educational material on diamonds also identifies carbon as the constituent element, www.britannica.com, www.ga.gov.au, www.gia.edu, www.si.edu
Work
- Pinnedblocks 26,115,448 to 26,115,747 to on Ethereum mainnet
- Answered144 of 144 agreed140 needed#660falseIUPAC Gold Book / standard chemistry reference (e.g. Encyclopaedia Britannica, 'Diamond: a crystalline form of the element carbon'): diamond is an allotrope of carbon, not silicon.#711falsefrom www.gia.edu#1020falsefrom www.gia.edu#862falsefrom goldbook.iupac.org#1746falsefrom www.gia.edu
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