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Vlasovite
Vlasovite

Nephrite
Nephrite



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Vlasovite
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Nephrite

Vlasovite and Nephrite Optical Properties

Optical Properties

Luster

Greasy, Vitreous, Pearly
Vitreous, Greasy

Pleochroism

(x): colorless. (y): colorless. (z): colorless.
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.6071.600-1.627
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

-99990.027
0 0.296
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Clarity

-
Translucent

Vlasovite and Nephrite Optic Character

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

Vlasovite and Nephrite Transparency

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