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Pyrope
Pyrope

Demantoid
Demantoid



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Pyrope
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Demantoid

Pyrope and Demantoid Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Adamantine

Pleochroism

None
None

Dispersion

0.020.06
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.720-1.7561.880-1.890
1 3.25
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Optic Character

-
-

Crystal System

cubic
cubic

Birefringence

-9999-9999
0 0.296
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Clarity

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

Pyrope and Demantoid Optic Character

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

Similar to their colors, Pyrope and Demantoid 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.