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Pyrope
Pyrope

Crocoite
Crocoite



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Pyrope
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Crocoite

Pyrope and Crocoite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Adamantine

Pleochroism

None
Distinctly trichroic

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.720-1.7562.31-2.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyrope and Crocoite Optic Character

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

Similar to their colors, Pyrope and Crocoite 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.