Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
Waxy, Silky, Resinous, Greasy
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
Weak: yellowish brown yellowAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda