Luster
-
Vitreous, Pearly
Pleochroism
-
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
TransparentMichael OâDonoghue
Refractive Index
-99991.56-1.60
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
-99990.010-0.020
0
0.296
👆🏻
Clarity
-
TransparentMichael OâDonoghue