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Xenotime and Watermelon Tourmaline Optical Properties


Watermelon Tourmaline and Xenotime Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
0.02   
22

Transparency
Gemmological Tables (2004)   
TransparentGemdat.org, Management Team (2012)   

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)   
TransparentGemdat.org   

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<< Physical Properties

Xenotime and Watermelon Tourmaline Optic Character

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

Similar to their colors, Xenotime and Watermelon Tourmaline 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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