Luster
Vitreous, Pearly
Vitreous
Pleochroism
colorless.
-
Dispersion
1.000.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.525-1.5421.735-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
-
Birefringence
0.008-0.0110.017-0.019
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda