Optical Properties
Luster
Vitreous
Not Available
Pleochroism
visible
Not Available
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004) More from other references
Not Available
Refractive Index
1.696-1.702
Not Available
Optic Character
Not Available
Not Available
Crystal System
Triclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Birefringence
0.005
Not Available
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available
