Optical Properties
Luster
Not Available
Not Available
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Gemstones of the world (2001)
Not Available
Refractive Index
1.525
2.409
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Not Available
Birefringence
Not Available
Not Available
Clarity
Gemstones of the world (2001)
Not Available
