Luster
Vitreous, Silky
Vitreous
Pleochroism
-
visible
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.581-1.5931.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Triclinic
Birefringence
0.0100.005
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda