1 Optical Properties
1.1 Luster
1.2 Pleochroism
Strong dichroism: yellow green Lazzarelli
Not Available
1.3 Dispersion
1.7 Transparency
Transparent, Translucent, Transparent to translucent
Not Available
1.10 Refractive Index
1.565-1.602Not Available
1
3.25
2.5 Optic Character
Not Available
Not Available
2.6 Crystal System
Hexagonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
2.7 Birefringence
0.0040-0.0070Not Available
0
0.296
2.11 Clarity
Color grading system
Not Available