Optical Properties
Luster
Vitreous
Not Available
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Not Available
Not Available
Refractive Index
1.53-1.54
Not Available
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Not Available
Birefringence
0.004
Not Available
Clarity
Not Available
Not Available
