Optical Properties
Luster
Vitreous
Not Available
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
Not Available
Not Available
Refractive Index
1.53-1.54
1.698-1.723
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Not Available
Birefringence
0.004
0.001-0.012
Clarity
Not Available
Not Available
