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Shungite
Shungite

Vesuvianite
Vesuvianite



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Shungite
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Vesuvianite

Shungite and Vesuvianite Optical Properties

Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
slight in colored varieties

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
tetragonal

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

-
-

Shungite and Vesuvianite Optic Character

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

Shungite and Vesuvianite Transparency

Similar to their colors, Shungite and Vesuvianite 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, Shungite is while Shungite is in appearance.