Optical Properties
Luster
Not Available
Not Available
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Not Available
TranslucentWalter Schumann, Gemstones of the world (2001)
Refractive Index
1.88-1.89
Not Available
Optic Character
Not Available
Not Available
Crystal System
Isometric
Not Available
Birefringence
Not Available
Not Available
Clarity
Color grading system
TranslucentWalter Schumann
