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Vesuvianite Idocrase
Vesuvianite Idocrase

Umbalite
Umbalite



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Vesuvianite Idocrase
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Umbalite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
Transparent
1.700-1.725
Uniaxial/-
-
0.002-0.012
Transparent
 
-
-
0.02
TransparentGemdat.org
1.730-1.820
-
-
-9999
TransparentGemdat.org