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Poudretteite
Sonolite
Sonolite and Poudretteite Optical Properties


Optical Properties
Luster
Vitreous  
Vitreous  
Pleochroism
Colorless  
-  
Dispersion
0.02  
99+
0.01  
99+
Transparency
-  
TransparentAnthony et al  
Refractive Index
1.511-1.532  
1.763-1.793  
Optic Character
-  
-  
Crystal System
Hexagonal  
-  
Birefringence
0.021  
-9999  
Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
TransparentAnthony et al  
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