Optical Properties
Luster
Not Available
Vitreous, Pearly
Pleochroism
Not Available
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli
Dispersion
Not Available
Not Available
Transparency
Translucent
Transparent, Translucent
Refractive Index
Not Available
1.673-1.731
Optic Character
Not Available
Not Available
Crystal System
Not Available
Orthorhombic
Birefringence
Not Available
0.016
Clarity
Translucent
Transparent
