Luster
-
Vitreous, Pearly
Pleochroism
-
None
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.37-1.521.37-1.52
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
Transparent