Optical Properties
Luster
Vitreous
Vitreous
Pleochroism
colorless.
Not Available
Dispersion
Not Available
Not Available
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.575-1.588
1.486-1.658
Optic Character
Not Available
Not Available
Crystal System
Triclinic
Not Available
Birefringence
0.012-0.013
0.172
Clarity
Transparent
Transparent
