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Shungite
Shungite

Rosasite
Rosasite



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Shungite
X
Rosasite

Shungite and Rosasite Optical Properties

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Optical Properties

Luster

-
Silky, Vitreous

Pleochroism

-
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.672-1.688
1 3.25
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Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.139-0.143
0 0.296
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Clarity

-
-

Shungite and Rosasite Optic Character

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

Similar to their colors, Shungite and Rosasite 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.