|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedElement
|
gptkb:Lithium
Aluminum
Silicon
|
|
gptkbp:associatedMinerals
|
gptkb:Quartz
gptkb:Beryl
gptkb:Feldspar
gptkb:Mica
Tourmaline
|
|
gptkbp:birefringence
|
0.016–0.022
|
|
gptkbp:category
|
Inosilicate
|
|
gptkbp:chemicalFormula
|
LiAlSi2O6
|
|
gptkbp:cleavage
|
Perfect
|
|
gptkbp:color
|
Brown
Colorless
Gray
Green
Pink
Purple
White
Yellow
Lilac
|
|
gptkbp:crystalSystem
|
Monoclinic
|
|
gptkbp:discoveredBy
|
gptkb:José_Bonifácio_de_Andrada_e_Silva
|
|
gptkbp:discoveredIn
|
1800
|
|
gptkbp:event
|
gptkb:Pegmatite
|
|
gptkbp:fracture
|
Uneven
|
|
gptkbp:gemVariety
|
gptkb:Hiddenite
gptkb:Kunzite
|
|
gptkbp:hardnessMohs
|
6.5–7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Spodumene
|
|
gptkbp:IMAStatus
|
Approved mineral
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:mainProducer
|
gptkb:Afghanistan
gptkb:Australia
gptkb:Brazil
gptkb:Madagascar
gptkb:United_States
|
|
gptkbp:namedAfter
|
spodumenos (Greek for 'burnt to ashes')
|
|
gptkbp:opticalProperties
|
Biaxial (+)
|
|
gptkbp:pleochroism
|
Strong in kunzite
Weak in hiddenite
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.660–1.681
|
|
gptkbp:specificGravity
|
3.1–3.2
|
|
gptkbp:streak
|
White
|
|
gptkbp:symmetry
|
C2/c
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
granite
Source of lithium
|
|
gptkbp:bfsParent
|
gptkb:Precious_Stone
gptkb:Kunzite
gptkb:Gem
|
|
gptkbp:bfsLayer
|
6
|