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Uvite and Spinel Optical Properties


Spinel and Uvite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Pale yellow colorlessAnthony et al   
Absent   

Dispersion
0.02   
22
0.02   
18

Transparency
Transparent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.614-1.666   
1.73   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Isometric   

Birefringence
0.014-0.032   
Not Available   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Uvite and Spinel Optic Character

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

Similar to their colors, Uvite and Spinel 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, Uvite is Transparent while Uvite is Transparent in appearance.

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