Luster
Waxy, Silky, Resinous, Greasy
Adamantine, Vitreous, Resinous
Pleochroism
-
-
Dispersion
0.030.06
0.005
1
👆🏻
Transparency
TranslucentHerve Nicolas Lazzarelli
Transparent, Translucent
Refractive Index
1.530-1.5751.803-2.078
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.273
0
0.296
👆🏻
Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent