Uvite and Manganotantalite Optical Properties

Uvite

Manganotantalite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Pale yellow colorlessAnthony et al

Sometimes strongArthur Thomas

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.614-1.6662.19-2.34

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.014-0.0320.015

0 0.296

1.9 Clarity

Transparent

TransparentWalter Schumann

Uvite and Manganotantalite Optic Character

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

Similar to their colors, Uvite and Manganotantalite 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.