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Anorthite and Xenotime Optical Properties


Xenotime and Anorthite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
colorless.   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.575-1.588   
1.720-1.827   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.012-0.013   
0.095   

Clarity
Transparent   
Gemmological Tables (2004)   

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Anorthite and Xenotime Optic Character

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

Similar to their colors, Anorthite 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, Anorthite is Transparent while Anorthite is Transparent in appearance.

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