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Taaffeite
Taaffeite

Uvite
Uvite



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Taaffeite
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Uvite

Taaffeite and Uvite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak
0.02
-
1.70-1.73
-
Hexagonal
0.055
-
 
Vitreous
Pale yellow colorlessAnthony et al
0.02
Transparent
1.614-1.666
-
-
0.014-0.032
Transparent

Taaffeite and Uvite Optic Character

Taaffeite and Uvite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Taaffeite Vs Uvite 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 Taaffeite and Uvite 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.

Taaffeite and Uvite Transparency

Similar to their colors, Taaffeite and Uvite 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, Taaffeite is while Taaffeite is in appearance.