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Kyanite Cyprine and Zincite Optical Properties


Zincite and Kyanite Cyprine Optical Properties


Optical Properties

Luster
Vitreous   
Subadamantine, Resinous   

Pleochroism
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli   
Very weak   

Dispersion
0.02   
18
Not Available   

Transparency
Transparent   
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references   

Refractive Index
1.710-1.735   
2.013-2.029   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
0.012-0.033   
0.016   

Clarity
Transparent   
TransparentRobert C. Kammerling   

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<< Physical Properties

Kyanite Cyprine and Zincite Optic Character

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

Similar to their colors, Kyanite Cyprine and Zincite 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, Kyanite Cyprine is Transparent while Kyanite Cyprine is Transparent in appearance.

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