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Sard and Xenotime Optical Properties


Xenotime and Sard Optical Properties


Optical Properties

Luster
Waxy   
Not Available   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004)   

Refractive Index
1.535-1.539   
1.720-1.827   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.008-0.010   
0.095   

Clarity
Translucent   
Gemmological Tables (2004)   

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<< Physical Properties

Sard and Xenotime Optic Character

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

Similar to their colors, Sard and Xenotime 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, Sard is Translucent while Sard is Translucent in appearance.

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