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Charoite
Dioptase
Dioptase and Charoite Optical Properties


Optical Properties
Luster
Pearly, Chatoyant  
Vitreous  
Pleochroism
-  
Weak; dark emerald green  
Dispersion
0.02  
99+
0.04  
38
Transparency
Translucent  
TranslucentHerve Nicolas Lazzarelli  
Refractive Index
1.545-1.560  
1.644-1.720  
Optic Character
-  
-  
Crystal System
Triclinic  
Trigonal  
Birefringence
0.009  
0.051-0.053  
Clarity
Translucent  
TranslucentHerve Nicolas Lazzarelli  
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