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Uvarovite and Apatite Optical Properties


Apatite and Uvarovite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Blue stones – strong   

Dispersion
0.01   
26
0.01   
27

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.87   
1.628-1.651   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Hexagonal   

Birefringence
Not Available   
0.002-0.008   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Uvarovite and Apatite Optic Character

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

Similar to their colors, Uvarovite and Apatite 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, Uvarovite is Translucent while Uvarovite is Translucent in appearance.

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