Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
Trichroic
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent, Translucent to opaque
-
Refractive Index
1.600-1.6881.71-1.74
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Triclinic
Birefringence
0.020-0.027-9999
0
0.296
👆🏻
Clarity
Translucent
-