1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Pearly
Vitreous, Adamantine, Pearly
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.552-1.5621.552-1.562
1
3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
1.8 Birefringence
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda