Luster
Vitreous
Waxy, Silky, Resinous, Greasy
Pleochroism
Strong dichroism: yellow green Lazzarelli
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
TranslucentHerve Nicolas Lazzarelli
Refractive Index
1.565-1.6021.530-1.575
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
-
Birefringence
0.0040-0.0070-9999
0
0.296
👆🏻
Clarity
-
TranslucentHerve Nicolas Lazzarelli