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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Optical Properties
Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
Vitreous, Adamantine
Strong: purplish-red
0.02
Transparent, Translucent, Transparent to opaque
1.762-1.778
-
Trigonal
0.008
Transparent
-
-
0.03
-
1.671-1.771
-
-
0.099-0.100
TransparentUlrich Henn and Claudio C. Milisenda
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