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Pyrope
Pyrope

Hiddenite
Hiddenite



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Pyrope
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Hiddenite

Pyrope and Hiddenite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Dispersion

0.020.02
0.005 1
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Transparency

-
Transparent

Refractive Index

1.720-1.7561.657-1.681
1 3.25
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Optic Character

-
-

Crystal System

cubic
monoclinic

Birefringence

-99990.014-0.016
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Pyrope and Hiddenite Optic Character

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

Similar to their colors, Pyrope and Hiddenite 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.