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Parisite
Parisite

Pearl
Pearl



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Parisite
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Pearl

Parisite and Pearl Optical Properties

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Optical Properties

Luster

-
Pearly

Pleochroism

-
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
Translucent, Opaque

Refractive Index

1.671-1.7711.52-1.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.099-0.1000.156
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Parisite and Pearl Optic Character

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

Parisite and Pearl Transparency

Similar to their colors, Parisite 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, Parisite is while Parisite is in appearance.