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Pyrope
Pyrope

Cymophane
Cymophane



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Pyrope
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Cymophane

Pyrope and Cymophane Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.720-1.7561.739-1.770
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

cubic
-

Birefringence

-99990.007-0.013
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyrope and Cymophane Optic Character

Pyrope and Cymophane optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrope and Cymophane 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 Cymophane 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. Cymophane has Biaxial/+ character.

Pyrope and Cymophane Transparency

Similar to their colors, Pyrope and Cymophane 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.