Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Weak: pink pale pinkHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to translucent
TranslucentHerve Nicolas Lazzarelli