Luster
Vitreous
Vitreous, Silky
Pleochroism
-
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.52-1.561.581-1.593
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
-99990.010
0
0.296
👆🏻
Clarity
Transparent to translucent
-