Optical Properties
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Not Available
AbsentWalter Schumann
Dispersion
Not Available
0.01
30
Transparency
Not Available
Transparent, Translucent, Transparent to translucent
Refractive Index
1.546-1.548
1.432-1.436
Optic Character
Not Available
Not Available
Crystal System
Triclinic
cubic
Birefringence
0.021
Not Available
Clarity
Not Available
Transparent
