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Pearl
Pearl

Carnallite
Carnallite



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Pearl
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Carnallite

Pearl and Carnallite Optical Properties

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Optical Properties

Luster

Pearly
Greasy

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent, Opaque
-

Refractive Index

1.52-1.661.467
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.1560.0270
0 0.296
👆🏻

Clarity

Translucent
-

Pearl and Carnallite Optic Character

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

Pearl and Carnallite Transparency

Similar to their colors, Pearl and Carnallite 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, Pearl is Translucent and Opaque while Pearl is Translucent and Opaque in appearance.