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Kyanite Cyprine and Agate Opal Optical Properties


Agate Opal and Kyanite Cyprine Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

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

Dispersion
0.02   
18
None   

Transparency
Transparent   
Translucent   

Refractive Index
1.710-1.735   
1.37-1.52   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.012-0.033   
Not Available   

Clarity
Transparent   
Translucent   

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Kyanite Cyprine and Agate Opal Optic Character

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

Similar to their colors, Kyanite Cyprine and Agate Opal 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.

Green Gemstones

Green Gemstones


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