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Chalcedony and Axinite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Strong  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
Translucent, Translucent to opaque  

Refractive Index
1.656-1.704  
1.530-1.543  

Optic Character
Biaxial/+  
-  

Crystal System
Triclinic  
Trigonal  

Birefringence
0.009-0.012  
0.003-0.009  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Translucent  

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