Optical Properties
Luster
Vitreous
Adamantine
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
Refractive Index
1.500
1.860-1.870
Optic Character
Not Available
Not Available
Crystal System
Isometric
Isometric
Birefringence
Not Available
Not Available
Clarity
Gemmological Tables (2004) More from other references
Transparent to translucent
