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Zoisite
Covellite
Covellite and Zoisite Optical Properties
Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Optical Properties
Luster
Vitreous
Resinous
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Marked
Dispersion
0.02
99+
0.08
17
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
OpaqueAnthony et al
Refractive Index
1.685-1.707
1.45-2.62
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.006-0.018
-9999
Clarity
Transparent
OpaqueAnthony et al
Benefits >>
<< Physical Properties
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