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Uvite
Uvite

Apatite
Apatite



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Uvite
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Apatite

Uvite and Apatite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Pale yellow colorlessAnthony et al
Blue stones – strong

Dispersion

0.020.01
0.005 1
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Transparency

Transparent
-

Refractive Index

1.614-1.6661.628-1.651
1 3.25
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Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.014-0.0320.002-0.008
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Uvite and Apatite Optic Character

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

Uvite and Apatite Transparency

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