|
gptkbp:instanceOf
|
granite
|
|
gptkbp:birthstoneFor
|
October
|
|
gptkbp:category
|
granite
|
|
gptkbp:chemicalFormula
|
SiO2·nH2O
|
|
gptkbp:cleavage
|
nan
|
|
gptkbp:color
|
Varies
|
|
gptkbp:component
|
gptkb:Silicon_dioxide
|
|
gptkbp:contains
|
gptkb:water
|
|
gptkbp:crystalSystem
|
gptkb:Amorphous
|
|
gptkbp:discoveredIn
|
Ancient times
|
|
gptkbp:effect
|
Play-of-color
|
|
gptkbp:famousOpal
|
gptkb:Halley's_Comet_Opal
gptkb:Olympic_Australis
gptkb:The_Flame_Queen
gptkb:Aurora_Australis
gptkb:Andamooka_Opal
|
|
gptkbp:form
|
Hydration of silica
|
|
gptkbp:fracture
|
Conchoidal
|
|
gptkbp:hardnessMohs
|
5.5–6.5
|
|
gptkbp:hasResource
|
gptkb:Lightning_Ridge
gptkb:Mintabie
gptkb:Ethiopian_Highlands
gptkb:Coober_Pedy
gptkb:Querétaro,_Mexico
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Opals
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:majorCity
|
gptkb:Australia
gptkb:Brazil
gptkb:Ethiopia
gptkb:Mexico
gptkb:United_States
|
|
gptkbp:nameOrigin
|
Latin 'opalus'
Sanskrit 'upala' (precious stone)
|
|
gptkbp:notableVariant
|
gptkb:Fire_opal
Black opal
Boulder opal
Common opal
Crystal opal
Precious opal
White opal
|
|
gptkbp:refractiveIndex
|
1.37–1.52
|
|
gptkbp:sensitivity
|
gptkb:Heat
Chemicals
Dehydration
|
|
gptkbp:specificGravity
|
1.98–2.25
|
|
gptkbp:symbolizes
|
Hope
Truth
Luck
Purity
|
|
gptkbp:transparency
|
Translucent to opaque
|
|
gptkbp:usedFor
|
gptkb:jewelry
Decorative objects
|
|
gptkbp:市值
|
Varies widely
|
|
gptkbp:bfsParent
|
gptkb:Australian_national_women's_basketball_team
gptkb:Australian_national_team
gptkb:Australian_women's_national_basketball_team
|
|
gptkbp:bfsLayer
|
6
|