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Pearl
Pearl

Pyrope
Pyrope



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Pearl
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Pyrope

Pearl and Pyrope Optical Properties

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Optical Properties

Luster

Pearly
Greasy, Vitreous

Pleochroism

-
None

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent, Opaque
-

Refractive Index

1.52-1.661.720-1.756
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
cubic

Birefringence

0.156-9999
0 0.296
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Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Pearl and Pyrope Optic Character

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

Similar to their colors, Pearl and Pyrope 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.