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Boleite and Topaz Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
Weak  
-  

Dispersion
0.01  
99+
0.07  
18

Transparency
Transparent  
Transparent  

Refractive Index
1.606-1.644  
2.05  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Isometric  

Birefringence
0.008-0.011  
0.010  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

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