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