Luster
Vitreous
Not Available
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Not Available
Refractive Index
1.590-1.629
Not Available
Optic Character
Not Available
Not Available
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Not Available
Birefringence
0.039
Not Available
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available