Optical Properties
Luster
Vitreous
Vitreous
Pleochroism
NilArthur Thomas
StrongArthur Thomas
Dispersion
Not Available
Not Available
Transparency
Transparent
Transparent
Refractive Index
1.599-1.637
1.670-1.734
Optic Character
Not Available
Not Available
Crystal System
Not Available
monoclinic
Birefringence
0.023-0.028
0.006-0.011
Clarity
Transparent
Transparent
