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Xenotime and Verdelite Optical Properties


Verdelite and Xenotime Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Not Available   
Strong: dark green yellow   

Dispersion
Not Available   
0.02   
22

Transparency
Gemmological Tables (2004)   
Transparent, Translucent   

Refractive Index
1.720-1.827   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.095   
0.014-0.040   

Clarity
Gemmological Tables (2004)   
Transparent   

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Xenotime and Verdelite Optic Character

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

Similar to their colors, Xenotime and Verdelite 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, Xenotime is Gemmological Tables (2004) while Xenotime is Gemmological Tables (2004) in appearance.

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