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Agrellite and Kyanite Cyprine Optical Properties


Kyanite Cyprine and Agrellite Optical Properties


Optical Properties

Luster
Pearly   
Vitreous   

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

Dispersion
Not Available   
0.02   
18

Transparency
Not Available   
Transparent   

Refractive Index
1.567   
1.710-1.735   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Triclinic   
Not Available   

Birefringence
0.014   
0.012-0.033   

Clarity
Not Available   
Transparent   

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Agrellite and Kyanite Cyprine Optic Character

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

Similar to their colors, Agrellite 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, Agrellite is Not Available while Agrellite is Not Available in appearance.

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