|
gptkbp:instanceOf
|
granite
|
|
gptkbp:alternativeName
|
gptkb:Idocrase
|
|
gptkbp:birefringence
|
0.006–0.018
|
|
gptkbp:category
|
Silicate mineral
|
|
gptkbp:chemicalFormula
|
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH,F)4
|
|
gptkbp:cleavage
|
Poor
|
|
gptkbp:color
|
Blue
Brown
Colorless
Green
Purple
Red
Yellow
|
|
gptkbp:crystalSystem
|
Tetragonal
|
|
gptkbp:discoveredIn
|
gptkb:Mount_Vesuvius
|
|
gptkbp:event
|
gptkb:Skarns
limestone
Contact metamorphic rocks
|
|
gptkbp:firstDescribed
|
1795
|
|
gptkbp:fracture
|
Conchoidal
|
|
gptkbp:habit
|
Massive
Prismatic crystals
|
|
gptkbp:hardnessMohs
|
6.5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Vesuvianite
|
|
gptkbp:IMA_symbol
|
Vsv
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:namedAfter
|
gptkb:Mount_Vesuvius
|
|
gptkbp:opticalProperties
|
Uniaxial (+)
|
|
gptkbp:pleochroism
|
Weak
|
|
gptkbp:refractiveIndex
|
1.700–1.723
|
|
gptkbp:relatedGroup
|
Nesosilicate
|
|
gptkbp:specificGravity
|
3.35–3.45
|
|
gptkbp:streak
|
White
|
|
gptkbp:symmetry
|
P4/nnc
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
granite
|
|
gptkbp:bfsParent
|
gptkb:Grossular_garnet
gptkb:Uvarovite
|
|
gptkbp:bfsLayer
|
5
|