|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedWith
|
gptkb:Pyroxene
granite
Chromite
|
|
gptkbp:birefringence
|
0.035–0.052
|
|
gptkbp:chemicalFormula
|
(Mg,Fe)2SiO4
|
|
gptkbp:cleavage
|
Poor/indistinct
|
|
gptkbp:color
|
Brown
Yellow-green
Olive green
|
|
gptkbp:containsElement
|
gptkb:Oxygen
Iron
Magnesium
Silicon
|
|
gptkbp:crystalSystem
|
Orthorhombic
|
|
gptkbp:density
|
3.2–4.5 g/cm³
|
|
gptkbp:discoveredIn
|
1789
|
|
gptkbp:event
|
gptkb:Earth's_upper_mantle
gptkb:Lunar_rocks
Meteorites
|
|
gptkbp:foundIn
|
gptkb:Egypt
gptkb:Myanmar
gptkb:Norway
gptkb:Pakistan
gptkb:United_States
|
|
gptkbp:fracture
|
Conchoidal
|
|
gptkbp:gemVariety
|
gptkb:Peridot
|
|
gptkbp:hardnessMohs
|
6.5–7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Olivine
|
|
gptkbp:IMAStatus
|
Approved mineral
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:magnetType
|
Non-magnetic
|
|
gptkbp:mainConstituent
|
gptkb:Peridotite
gptkb:Dunite
Basalt
|
|
gptkbp:meltingPoint
|
~1890°C (for forsterite)
|
|
gptkbp:namedAfter
|
Olive (color)
|
|
gptkbp:opticalProperties
|
Biaxial (+)
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.63–1.88
|
|
gptkbp:relatedGroup
|
Nesosilicate
|
|
gptkbp:solidSolutionSeriesWith
|
gptkb:Fayalite
gptkb:Forsterite
|
|
gptkbp:solubility
|
Insoluble in water
|
|
gptkbp:streak
|
Colorless
|
|
gptkbp:transparency
|
Transparent to translucent
|
|
gptkbp:uses
|
Industrial applications
Gemstone (peridot)
|
|
gptkbp:weatheringProduct
|
gptkb:Serpentine
gptkb:Iddingsite
|
|
gptkbp:bfsParent
|
gptkb:Peridot
gptkb:Pyrope
|
|
gptkbp:bfsLayer
|
5
|