Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Weak: pink pale pinkHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to translucent
TranslucentHerve Nicolas Lazzarelli