|
gptkbp:instanceOf
|
granite
|
|
gptkbp:abundance
|
Second most abundant mineral in Earth's continental crust
|
|
gptkbp:associatedRockType
|
Igneous rocks
Metamorphic rocks
Sedimentary rocks
|
|
gptkbp:category
|
Silicate mineral
|
|
gptkbp:chemicalFormula
|
SiO2
|
|
gptkbp:cleavage
|
nan
|
|
gptkbp:color
|
Black
Brown
Colorless
Gray
Pink
Purple
White
Yellow
|
|
gptkbp:crystalSystem
|
Hexagonal
|
|
gptkbp:discoveredBy
|
Known since antiquity
|
|
gptkbp:event
|
Earth's crust
|
|
gptkbp:fracture
|
Conchoidal
|
|
gptkbp:hardnessMohs
|
7
|
|
gptkbp:hasVariant
|
gptkb:Amethyst
gptkb:Aventurine
gptkb:Chalcedony
gptkb:Citrine
gptkb:Jasper
gptkb:Milky_quartz
gptkb:Onyx
gptkb:Rose_quartz
gptkb:Smoky_quartz
gptkb:Tiger's_eye
granite
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Quartz
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:meltingPoint
|
1670°C
|
|
gptkbp:namedAfter
|
German word 'Quarz'
|
|
gptkbp:opticalProperties
|
Birefringent
|
|
gptkbp:piezoelectric
|
True
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.544–1.553
|
|
gptkbp:solubility
|
Insoluble in water
|
|
gptkbp:specificGravity
|
2.65
|
|
gptkbp:streak
|
White
|
|
gptkbp:symbol
|
Qtz
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
gptkb:jewelry
Electronics
Glass making
Optical instruments
Watches
|
|
gptkbp:bfsParent
|
gptkb:Atlantic_Media
gptkb:Emmy_Award
|
|
gptkbp:bfsLayer
|
3
|
