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Uvite
Uvite

Bertrandite
Bertrandite



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Uvite
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Bertrandite

Uvite and Bertrandite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Pale yellow colorlessAnthony et al
none.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
TransparentAnthony et al

Refractive Index

1.614-1.6661.583-1.614
1 3.25
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Optic Character

-
-

Crystal System

-
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

Birefringence

0.014-0.032-9999
0 0.296
👆🏻

Clarity

Transparent
TransparentAnthony et al

Uvite and Bertrandite Optic Character

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

Similar to their colors, Uvite and Bertrandite 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.