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Tourmaline
Beudantite
Beudantite and Tourmaline Optical Properties
Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Optical Properties
Luster
Vitreous
Vitreous, Resinous
Pleochroism
typically moderate to strong
visible
Dispersion
0.02
22
Not Available
Transparency
Transparent, Translucent, Transparent to opaque
Not Available
Refractive Index
1.614-1.666
1.957
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Trigonal
Birefringence
0.014-0.040
0.014
Clarity
Transparent
Not Available
Benefits >>
<< Physical Properties
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