Luster
-
Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Dispersion
0.02
Rank: 56 (Overall)
0.005
1
👆🏻
Transparency
-
Refractive Index
1.787-1.816
1
3.25
👆🏻
Optic Character
-
Crystal System
-
Birefringence
0.029
0
0.296
👆🏻
Clarity
-