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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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