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Schorl and Kyanite Cyprine Optical Properties


Kyanite Cyprine and Schorl Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Very strong: yellow-brown pale yellow   
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
1.635-1.672   
1.710-1.735   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Not Available   
Not Available   

Birefringence
0.025   
0.012-0.033   

Clarity
Transparent   
Transparent   

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Schorl and Kyanite Cyprine Optic Character

Schorl and Kyanite Cyprine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Schorl 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 Schorl 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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Schorl and Kyanite Cyprine Transparency

Similar to their colors, Schorl 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, Schorl is Translucent and Transparent while Schorl is Translucent and Transparent in appearance.

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