Optical Properties
Luster
Not Available
Vitreous
Pleochroism
Not Available
NilArthur Thomas
Dispersion
None
Not Available
Transparency
Gemstones of the world (2001)
Transparent
Refractive Index
1.534-1.540
1.599-1.637
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
0.023-0.028
Clarity
Gemstones of the world (2001)
Transparent
