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Blue spinel
Blue spinel
☒

Kyanite
Kyanite
☒



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Blue spinel
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Kyanite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
-
-
-9999
-
-
-9999
-
 
Vitreous, Pearly
Trichroic
0.02
-
1.71-1.74
-
Triclinic
-9999
-

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Pleonast
Bort
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Kyanite
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Kyanite Vs Rutilated topaz
Kyanite
Aventurine feldspar
Kyanite Vs Aventurine feldspar

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