Optical Properties
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Not Available
weak to none
Dispersion
Not Available
0.01
26
Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
Refractive Index
1.500
1.578-1.646
Optic Character
Not Available
Biaxial/+
Crystal System
Isometric
Triclinic
Birefringence
Not Available
0.020-0.030
Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda
