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Shungite
Shungite

Pearl
Pearl



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Shungite
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Pearl

Shungite and Pearl Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
-9999
-
-
-9999
-
 
Pearly
-
0.03
Translucent, Opaque
1.52-1.66
-
Orthorhombic
0.156
Translucent

Shungite and Pearl Optic Character

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

Similar to their colors, Shungite and Pearl 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.