Optical Properties
Luster
Pearly, Fibrous, Chatoyant
Vitreous
Pleochroism
NilArthur Thomas
Not Available
Dispersion
Not Available
Not Available
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.545-1.560
1.470-1.491
Optic Character
Not Available
Not Available
Crystal System
Triclinic
Trigonal
Birefringence
0.009
0.021
Clarity
Translucent
Transparent
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