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Shungite
Shungite

Tanzanite
Tanzanite



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Shungite
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Tanzanite

Shungite and Tanzanite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Present

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.685-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.006-0.018
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Shungite and Tanzanite Optic Character

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

Similar to their colors, Shungite and Tanzanite 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.