1 Optical Properties
1.1 Luster
1.2 Pleochroism
Not Available
Weak: colorless-(greenish) yellow
1.3 Dispersion
1.4 Transparency
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.590-1.6291.650-1.677
1
3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda