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Boleite
Spinel
Spinel and Boleite Optical Properties


Optical Properties
Luster
Vitreous, Pearly  
Vitreous  
Pleochroism
-  
Absent  
Dispersion
0.07  
18
0.02  
99+
Transparency
Transparent  
Transparent, Translucent, Transparent to translucent  
Refractive Index
2.05  
1.73  
Optic Character
-  
-  
Crystal System
Isometric  
Isometric  
Birefringence
0.010  
-9999  
Clarity
Transparent  
TransparentUlrich Henn and Claudio C. Milisenda  
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