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Idocrase
Idocrase

Pyrope
Pyrope



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Idocrase
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Pyrope

Idocrase and Pyrope Optical Properties

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Optical Properties

Luster

-
Greasy, Vitreous

Pleochroism

-
None

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.67-1.761.720-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
cubic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Idocrase and Pyrope Optic Character

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

Idocrase and Pyrope Transparency

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