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Strontianite
Strontianite
☒

Spodumene
Spodumene
☒



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Strontianite
X
Spodumene
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
-
0.04
Transparent
1.517-1.667
-
-
-9999
Transparent
 
Vitreous
Strong in kunzite: α-purple
0.02
Transparent
1.657-1.681
-
monoclinic
0.014-0.018
-