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Colemanite
Copper
Copper and Colemanite Optical Properties


Optical Properties
Luster
Vitreous  
-  
Pleochroism
-  
-  
Dispersion
0.02  
99+
0.00  
Transparency
Transparent  
-  
Refractive Index
1.584-1.615  
-9999  
Optic Character
-  
-  
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a  
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m  
Birefringence
0.028-0.030  
-9999  
Clarity
Transparent  
-  
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