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Shungite
Shungite

Smithsonite
Smithsonite



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Shungite
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Smithsonite

Shungite and Smithsonite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

-99991.620-1.850
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.223-0.227
0 0.296
👆🏻

Clarity

-
Translucent

Shungite and Smithsonite Optic Character

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

Similar to their colors, Shungite and Smithsonite 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.