Luster
Waxy, Silky, Resinous, Greasy
Vitreous
Pleochroism
-
Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
TranslucentHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to translucent
Refractive Index
1.530-1.5751.573-1.600
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
-99990.005-0.009
0
0.296
👆🏻
Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent to translucent