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Beryllonite and Axinite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Adamantine, Pearly  

Pleochroism
Strong  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
-  

Refractive Index
1.656-1.704  
1.552-1.562  

Optic Character
Biaxial/+  
-  

Crystal System
Triclinic  
monoclinic  

Birefringence
0.009-0.012  
0.009  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
TransparentUlrich Henn and Claudio C. Milisenda  

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