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Vishnevite
Vishnevite

Verdite
Verdite



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Vishnevite
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Verdite

Vishnevite and Verdite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Silky

Pleochroism

-
Extreme

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.490-1.5071.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.002-0.012-9999
0 0.296
👆🏻

Clarity

-
Translucent

Vishnevite and Verdite Optic Character

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

Vishnevite and Verdite Transparency

Similar to their colors, Vishnevite and Verdite 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, Vishnevite is while Vishnevite is in appearance.