Luster
Vitreous, Adamantine
-
Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
-
Dispersion
0.040.05
0.005
1
👆🏻
Transparency
Translucent, Transparent
-
Refractive Index
1.918-1.9361.84-2.11
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
monoclinic
Birefringence
0.016-9999
0
0.296
👆🏻
Clarity
Translucent
-