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Kyanite
Kyanite
☒

Umbalite
Umbalite
☒



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Kyanite
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Umbalite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
Trichroic
0.02
-
1.71-1.74
-
Triclinic
-9999
-
 
-
-
0.02
TransparentGemdat.org
1.730-1.820
-
-
-9999
TransparentGemdat.org

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