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Carnelian and Uvite Optical Properties


Uvite and Carnelian Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Pale yellow colorlessAnthony et al   

Dispersion
None   
0.02   
22

Transparency
Translucent, Transparent to nearly opaque   
Transparent   

Refractive Index
1.535-1.539   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.003-0.009   
0.014-0.032   

Clarity
Translucent   
Transparent   

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Carnelian and Uvite Optic Character

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

Similar to their colors, Carnelian and Uvite 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, Carnelian is Translucent and Transparent to nearly opaque while Carnelian is Translucent and Transparent to nearly opaque in appearance.

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