Optical Properties
Luster
Vitreous
Vitreous
Pleochroism
Pale yellow colorlessAnthony et al
Absent
Dispersion
0.02
22
Not Available
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.614-1.666
1.770-1.780
Optic Character
Not Available
Not Available
Crystal System
Not Available
Isometric
Birefringence
0.014-0.032
Not Available
Clarity
Transparent
Transparent
