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Pyromorphite
Strontianite
Strontianite and Pyromorphite Optical Properties


Optical Properties
Luster
Resinous, Subadamantine  
Vitreous, Greasy  
Pleochroism
Weak  
-  
Dispersion
0.03  
99+
0.04  
38
Transparency
Transparent  
Transparent  
Refractive Index
2.042-2.059  
1.517-1.667  
Optic Character
-  
-  
Crystal System
Hexagonal  
-  
Birefringence
0.010  
-9999  
Clarity
Transparent  
Transparent  
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