Luster
Waxy, Silky, Resinous, Greasy
Vitreous
Pleochroism
-
colorless.
Dispersion
0.010.70
0.005
1
👆🏻
Transparency
TranslucentHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to translucent
Refractive Index
1.530-1.5751.543-1.564
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
-
Triclinic
Birefringence
-99990.007-0.011
0
0.296
👆🏻
Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent