Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.514-1.5391.53-1.54
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic Pinacoidal H-M Symbol (1) Space Group: P1
Trigonal
Birefringence
0.008-0.0100.004
0
0.296
👆🏻
Clarity
Translucent
-