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Amethyst and Xenotime Optical Properties


Xenotime and Amethyst Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
None   
Not Available   

Dispersion
0.01   
27
Not Available   

Transparency
Transparent, Transparent to translucent   
Gemmological Tables (2004)   

Refractive Index
1.544-1.553   
1.720-1.827   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.009   
0.095   

Clarity
Transparent   
Gemmological Tables (2004)   

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Amethyst and Xenotime Optic Character

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

Similar to their colors, Amethyst 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.

Semi Precious

Semi Precious


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