Luster
Vitreous
-
Pleochroism
-
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
-
Refractive Index
1.600-1.688-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.020-0.027-9999
0
0.296
👆🏻
Clarity
Translucent
-