Diamonds

URI: https://gptkb.org/entity/Diamonds

GPTKB entity

AI-created image

Statements (70)

Predicate	Object
gptkbp:instanceOf	gptkb:granite
gptkbp:birthstoneFor	April
gptkbp:chemicalFormula	C
gptkbp:cleavage	perfect, octahedral
gptkbp:color	can be black can be blue can be brown can be green can be pink can be red can be yellow typically colorless
gptkbp:conflictResource	sometimes
gptkbp:crystalSystem	cubic
gptkbp:density	3.5–3.53 g/cm³
gptkbp:discoveredBy	ancient times
gptkbp:electricalConductivity	low
gptkbp:famousFor	gptkb:Hope_Diamond gptkb:Koh-i-Noor gptkb:The_Orlov_Diamond gptkb:The_Regent_Diamond gptkb:Cullinan_Diamond
gptkbp:fluorescence	sometimes blue sometimes green sometimes red sometimes yellow
gptkbp:fracture	conchoidal
gptkbp:hardnessMohs	10
gptkbp:luster	adamantine
gptkbp:magnetType	non-magnetic
gptkbp:mainConstituent	carbon
gptkbp:mainCrystalHabit	cubic dodecahedral octahedral
gptkbp:mainMiningMethod	underground mining alluvial mining marine mining open-pit mining
gptkbp:majorCity	gptkb:Australia gptkb:Botswana gptkb:Canada gptkb:Democratic_Republic_of_the_Congo gptkb:Russia
gptkbp:market	gptkb:Alrosa gptkb:Dominion_Diamond_Mines gptkb:Rio_Tinto gptkb:De_Beers
gptkbp:meltingPoint	3550°C (in vacuum)
gptkbp:opticalDispersion	0.044
gptkbp:radioactive	non-radioactive
gptkbp:refractiveIndex	2.417
gptkbp:regulates	gptkb:Kimberley_Process
gptkbp:solubility	insoluble in water and acids
gptkbp:specificGravity	3.52
gptkbp:symbolizes	eternity strength purity
gptkbp:syntheticProduction	possible
gptkbp:syntheticProductionMethod	gptkb:Chemical_Vapor_Deposition_(CVD) gptkb:High_Pressure_High_Temperature_(HPHT)
gptkbp:thermalConductivity	high
gptkbp:transparency	transparent to subtransparent
gptkbp:usedFor	gptkb:jewelry abrasives heat sinks industrial cutting tools scientific applications
gptkbp:bfsParent	gptkb:Royal_Opera_House
gptkbp:bfsLayer	4
https://www.w3.org/2000/01/rdf-schema#label	Diamonds