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Ludlamite
Pleonaste
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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