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Pearl
Pearl

Charoite
Charoite



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Pearl
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Charoite

Pearl and Charoite Optical Properties

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Optical Properties

Luster

Pearly
Pearly, Chatoyant

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent, Opaque
Translucent

Refractive Index

1.52-1.661.545-1.560
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.1560.009
0 0.296
👆🏻

Clarity

Translucent
Translucent

Pearl and Charoite Optic Character

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

Similar to their colors, Pearl and Charoite 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.