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Sanidine
Vesuvianite
Vesuvianite and Sanidine Optical Properties


Optical Properties
Luster
-  
Vitreous, Resinous  
Pleochroism
-  
slight in colored varieties  
Dispersion
0.01  
99+
0.03  
99+
Transparency
Transparent  
-  
Refractive Index
1.518-1.536  
1.703-1.752  
Optic Character
-  
-  
Crystal System
-  
tetragonal  
Birefringence
0.005-0.008  
0.004-0.006  
Clarity
Transparent  
-  
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