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Opal
Fluorite
Fluorite and Opal Optical Properties


Optical Properties
Luster
Vitreous, Pearly  
Vitreous  
Pleochroism
None  
-  
Dispersion
0.01  
99+
0.01  
99+
Transparency
Transparent, Translucent, Transparent to translucent  
Transparent, Translucent, Transparent to translucent  
Refractive Index
1.37-1.52  
1.432-1.436  
Optic Character
-  
-  
Crystal System
Trigonal  
cubic  
Birefringence
-9999  
-9999  
Clarity
Transparent  
Transparent  
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Compare Semi Precious Gemstones

Semi Precious Gemstones

Semi Precious Gemstones

Compare Semi Precious Gemstones

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