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Pleonaste and Ludlamite Optical Properties


Optical Properties

Luster
Vitreous, Pearly  
-  

Pleochroism
-  
-  

Dispersion
0.02  
99+
0.03  
99+

Transparency
-  
-  

Refractive Index
1.653-1.693  
1.780  

Optic Character
-  
-  

Crystal System
monoclinic  
-  

Birefringence
0.038-0.044  
-9999  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
-  

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