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Ceylonite
Humite
Humite and Ceylonite Optical Properties


Optical Properties
Luster
Vitreous  
Vitreous  
Pleochroism
Absent  
pale golden yellow or deep golden yellow  
Dispersion
0.02  
99+
0.03  
99+
Transparency
Transparent, Translucent  
Transparent  
Refractive Index
1.770-1.780  
1.607-1.675  
Optic Character
-  
-  
Crystal System
Isometric  
Orthorhombic  
Birefringence
-9999  
-9999  
Clarity
Transparent  
Transparent  
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