×

Umbalite
Umbalite
☒

Bort
Bort
☒



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Umbalite
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Bort
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
TransparentGemdat.org
1.730-1.820
-
-
-9999
TransparentGemdat.org
 
-
-
-
-
-9999
-
-
-9999
-

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