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Turquoise and Kyanite Cyprine Optical Properties


Kyanite Cyprine and Turquoise Optical Properties


Optical Properties

Luster
Waxy   
Vitreous   

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

Dispersion
None   
0.02   
18

Transparency
Translucent, Opaque   
Transparent   

Refractive Index
1.610-1.650   
1.710-1.735   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Triclinic   
Not Available   

Birefringence
0.040   
0.012-0.033   

Clarity
Translucent   
Transparent   

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Turquoise and Kyanite Cyprine Optic Character

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

Similar to their colors, Turquoise 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.

Semi Precious

Semi Precious


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