Optical Properties
Luster
Not Available
Not Available
Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
Dispersion
None
None
Transparency
Translucent
TranslucentWalter Schumann, Gemstones of the world (2001)
Refractive Index
1.37-1.52
1.530-1.540
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
0.004
Clarity
Translucent
TranslucentWalter Schumann
