|
gptkbp:instanceOf
|
gptkb:synthetic_gemstone
gptkb: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
|
|
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
|
8
|
|
http://www.w3.org/2000/01/rdf-schema#label
|
Cubic Zirconia
|