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Eudialyte
Eudialyte

Pyrope
Pyrope



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Eudialyte
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Pyrope

Eudialyte and Pyrope Optical Properties

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Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

Weak: O= colorless
None

Dispersion

0.010.02
0.005 1
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Transparency

Translucent
-

Refractive Index

1.591-1.6331.720-1.756
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
cubic

Birefringence

0.003-0.010-9999
0 0.296
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Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Eudialyte and Pyrope Optic Character

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

Eudialyte and Pyrope Transparency

Similar to their colors, Eudialyte 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, Eudialyte is Translucent while Eudialyte is Translucent in appearance.