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Narsarsukite and Kyanite Optical Properties


Kyanite and Narsarsukite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Pearly   

Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow   
Trichroic   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Not Available   

Refractive Index
1.610-1.647   
1.71-1.74   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Triclinic   

Birefringence
0.021   
Not Available   

Clarity
Transparent   
Color grading system   

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Narsarsukite and Kyanite Optic Character

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

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Narsarsukite and Kyanite Transparency

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

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