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Pyrope
Pyrope

Zincite
Zincite



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Pyrope
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Zincite

Pyrope and Zincite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Subadamantine, Resinous

Pleochroism

None
Very weak

Dispersion

0.020.16
0.005 1
👆🏻

Transparency

-
TransparentRobert C. Kammerling

Refractive Index

1.720-1.7562.013-2.029
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Hexagonal

Birefringence

-99990.016
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentRobert C. Kammerling

Pyrope and Zincite Optic Character

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

Pyrope and Zincite Transparency

Similar to their colors, Pyrope and Zincite 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, Pyrope is while Pyrope is in appearance.