Optical Properties
Luster
Not Available
Vitreous
Pleochroism
Not Available
Strong
Dispersion
Not Available
0.02
21
Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
Not Available
1.656-1.704
Optic Character
Not Available
Biaxial/+
Crystal System
Not Available
Triclinic
Birefringence
Not Available
0.009-0.012
Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda
