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Umbalite
Forsterite
Forsterite and Umbalite Optical Properties


Optical Properties
Luster
-  
Vitreous  
Pleochroism
-  
colorless.  
Dispersion
0.02  
99+
0.02  
99+
Transparency
TransparentGemdat.org  
Transparent  
Refractive Index
1.730-1.820  
1.635-1.671  
Optic Character
-  
-  
Crystal System
-  
Orthorhombic  
Birefringence
-9999  
0.033-0.042  
Clarity
TransparentGemdat.org  
Transparent  
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Compare Gems Found In Africa

Gems Found In Africa

Gems Found In Africa

Compare Gems Found In Africa

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