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Augelite
Augelite

Kyanite
Kyanite



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Augelite
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Kyanite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly
-
0.02
-
1.570-1.591
-
-
0.020-0.021
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous, Pearly
Trichroic
0.02
-
1.71-1.74
-
Triclinic
-9999
-