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Piemontite and Parisite Optical Properties


Optical Properties

Luster
-  
Vitreous  

Pleochroism
-  
visible  

Dispersion
0.03  
99+
0.02  
99+

Transparency
-  
-  

Refractive Index
1.671-1.771  
1.725-1.756  

Optic Character
-  
-  

Crystal System
-  
monoclinic  

Birefringence
0.099-0.100  
0.025-0.076  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
-  

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