Optical Properties
Luster
Not Available
Vitreous, Pearly
Pleochroism
Not Available
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.450-1.550
1.560-1.640
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
0.054-0.075
Clarity
Transparent
Transparent
