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Hydrogrossular
Zoisite
Zoisite and Hydrogrossular Optical Properties


Optical Properties
Luster
-  
Vitreous  
Pleochroism
-  
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green  
Dispersion
0.02  
99+
0.02  
99+
Transparency
Translucent  
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.  
Refractive Index
1.680-1.712  
1.685-1.707  
Optic Character
-  
-  
Crystal System
-  
Orthorhombic  
Birefringence
-9999  
0.006-0.018  
Clarity
Translucent  
Transparent  
Benefits >>
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