Cubic Zirconia

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf synthetic gemstone
crystalline form of zirconium dioxide
gptkbp:alternativeTo gptkb:jewelry
gptkbp:birefringence none
gptkbp:canBeDopedWith gptkb:yttrium
calcium
magnesium
gptkbp:chemicalFormula ZrO2
gptkbp:cleavage none
gptkbp:color colorless
can be colored
gptkbp:containsElement oxygen
zirconium
gptkbp:crystalSystem cubic
gptkbp:density 5.6–6.0 g/cm³
gptkbp:discoveredBy 1937
gptkbp:dispersion 0.058–0.066
gptkbp:distinguishedFromDiamondBy higher density
different refractive index
different thermal conductivity
lower hardness
gptkbp:firstProduced 1976
gptkbp:fluorescence none or weak
gptkbp:fracture conchoidal
gptkbp:hardnessMohs 8–8.5
https://www.w3.org/2000/01/rdf-schema#label Cubic Zirconia
gptkbp:luster adamantine
gptkbp:mainProducer gptkb:China
gptkb:Russia
gptkbp:manufacturer skull-melting process
gptkbp:marketedAs CZ
gptkbp:meltingPoint 2750°C
gptkbp:notableFor affordability
visual similarity to diamond
gptkbp:notFoundInNature true
gptkbp:origin synthetic
gptkbp:parent zirconium dioxide
gptkbp:refractiveIndex 2.15–2.18
gptkbp:solubility insoluble in water
gptkbp:thermalConductivity low
gptkbp:transparency transparent
gptkbp:usedAs diamond simulant
gptkbp:usedIn gptkb:jewelry
gptkb:laser
decorative items
optical applications
gptkbp:bfsParent gptkb:Nick_Hook
gptkb:Todd_Weinstock
gptkb:Fake_Diamond
gptkbp:bfsLayer 7