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Prase and Kyanite Cyprine Optical Properties


Kyanite Cyprine and Prase Optical Properties


Optical Properties

Luster
Not Available   
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, Translucent   
Transparent   

Refractive Index
1.544-1.553   
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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<< Physical Properties

Prase and Kyanite Cyprine Optic Character

Prase and Kyanite Cyprine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Prase and Kyanite Cyprine Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Prase and Kyanite Cyprine optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Kyanite Cyprine has Biaxial/+ character.

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Prase and Kyanite Cyprine Transparency

Similar to their colors, Prase and Kyanite Cyprine transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Prase is Translucent and Transparent while Prase is Translucent and Transparent in appearance.

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