Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
Pale rose-red carmine-red colorlessAnthony et al
Waxy, Silky, Resinous, Greasy
TranslucentHerve Nicolas Lazzarelli
TranslucentHerve Nicolas Lazzarelli