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Simpsonite
Narsarsukite
Narsarsukite and Simpsonite Optical Properties


Optical Properties
Luster
Adamantine  
Vitreous, Pearly  
Pleochroism
-  
Weak; O = colorless to yellow; E = colorless to honey-yellow  
Dispersion
0.02  
99+
0.02  
99+
Transparency
-  
Transparent, Translucent  
Refractive Index
1.994-2.040  
1.610-1.647  
Optic Character
-  
-  
Crystal System
-  
tetragonal  
Birefringence
0.046  
0.021  
Clarity
-  
Transparent  
Benefits >>
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Compare Gems Found In Australia

Gems Found In Australia

Gems Found In Australia

Compare Gems Found In Australia

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