Optical Properties
Luster
Not Available
Subadamantine, Resinous
Pleochroism
Not Available
Very weak
Dispersion
Not Available
Not Available
Transparency
Not Available
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Refractive Index
Not Available
2.013-2.029
Optic Character
Not Available
Not Available
Crystal System
Not Available
Hexagonal
Birefringence
Not Available
0.016
Clarity
Not Available
TransparentRobert C. Kammerling
