Luster
Waxy
Vitreous, Pearly
Pleochroism
-
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent
Transparent
Refractive Index
1.535-1.5391.603-1.690
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
-
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.008-0.010-9999
0
0.296
👆🏻
Clarity
Translucent
Transparent