Luster
Vitreous
-
Pleochroism
-
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Transparent to nearly opaque
-
Refractive Index
1.739-1.770-9999
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
-
Birefringence
0.007-0.010-9999
0
0.296
👆🏻
Clarity
Transparent
-