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Riebeckite
Riebeckite

Pyrope
Pyrope



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Riebeckite
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Pyrope

Riebeckite and Pyrope Optical Properties

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Optical Properties

Luster

Vitreous, Silky
Greasy, Vitreous

Pleochroism

X = blue
None

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.680-1.6981.720-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
cubic

Birefringence

0.005-0.008-9999
0 0.296
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Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Riebeckite and Pyrope Optic Character

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

Riebeckite and Pyrope Transparency

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