Optical Properties
Luster
Vitreous, Resinous
Vitreous, Pearly
Pleochroism
visible
Not Available
Dispersion
Not Available
0.07
6
Transparency
Not Available
Transparent
Refractive Index
1.957
2.05
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Isometric
Birefringence
0.014
0.010
Clarity
Not Available
Transparent
