×

Titanite
Titanite
☒

Spodumene
Spodumene
☒



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X
Titanite
X
Spodumene
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Subadamantine, Resinous
Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange
0.05
-
1.885-1.990
-
monoclinic
0.105-0.135
-
 
Vitreous
Strong in kunzite: α-purple
0.02
Transparent
1.657-1.681
-
monoclinic
0.014-0.018
-