Optical Properties
Luster
Not Available
Not Available
Pleochroism
AbsentWalter Schumann
Not Available
Dispersion
None
Not Available
Transparency
Transparent
Transparent
Refractive Index
1.370-1.
1.790-2.015
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
0.005-0.055
Clarity
Transparent
Transparent
