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Weloganite
Weloganite

Vlasovite
Vlasovite



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Weloganite
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Vlasovite

Weloganite and Vlasovite Optical Properties

Optical Properties

Luster

Vitreous
Greasy, Vitreous, Pearly

Pleochroism

-
(x): colorless. (y): colorless. (z): colorless.

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5581.607
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
monoclinic

Birefringence

0.082-9999
0 0.296
👆🏻

Clarity

-
-

Weloganite and Vlasovite Optic Character

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

Weloganite and Vlasovite Transparency

Similar to their colors, Weloganite and Vlasovite 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, Weloganite is while Weloganite is in appearance.