Luster
Vitreous
Pleochroism
Weak; present colour lighter and darker
Dispersion
0.01
Rank: 63 (Overall)
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
Refractive Index
1.700-1.725
1
3.25
👆🏻
Optic Character
-
Crystal System
-
Birefringence
0.001-0.012
0
0.296
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Clarity
TranslucentWalter Schumann