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Williamsite and Omphacite Optical Properties


Optical Properties

Luster
Vitreous  
Waxy, Silky, Resinous, Greasy  

Pleochroism
Weak: colorless -- very pale green -- very pale green  
-  

Dispersion
0.02  
99+
0.03  
99+

Transparency
TranslucentAnthony et al  
TranslucentHerve Nicolas Lazzarelli  

Refractive Index
1.662-1.723  
1.530-1.575  

Optic Character
-  
-  

Crystal System
-  
-  

Birefringence
-9999  
-9999  

Clarity
TranslucentAnthony et al  
TranslucentHerve Nicolas Lazzarelli  

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