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Kyanite Cyprine and Wardite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
18

Transparency
Transparent   
Transparent   

Refractive Index
1.590-1.599   
1.710-1.735   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Not Available   
Not Available   

Birefringence
0.009   
0.012-0.033   

Clarity
Transparent   
Transparent   

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Blue Gemstones

Blue Gemstones


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