Luster
Vitreous
Vitreous
Pleochroism
-
Weak
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
TransparentAnthony et al
Transparent
Refractive Index
1.763-1.7931.606-1.644
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.008-0.011
0
0.296
👆🏻
Clarity
TransparentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda