Optical Properties
Luster
Waxy
Vitreous
Pleochroism
Not Available
AbsentWalter Schumann
Dispersion
Not Available
0.01
30
Transparency
Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.530-1.543
1.432-1.436
Optic Character
Not Available
Not Available
Crystal System
Not Available
cubic
Birefringence
0.003-0.009
Not Available
Clarity
Translucent
Transparent
