Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
Weak or absentWalter Schumann
Transparent, Translucent, Transparent to translucent
Transparent to translucent