Luster
Vitreous, Adamantine, Silky
Waxy, Silky, Resinous, Greasy
Pleochroism
-
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli
Refractive Index
1.614-1.6361.530-1.575
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.022-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentHerve Nicolas Lazzarelli