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Pyrope
Pyrope

Painite
Painite



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Pyrope
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Painite

Pyrope and Painite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli

Dispersion

0.020.02
0.005 1
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Transparency

-
-

Refractive Index

1.720-1.7561.787-1.816
1 3.25
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Optic Character

-
-

Crystal System

cubic
-

Birefringence

-99990.029
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Pyrope and Painite Optic Character

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

Similar to their colors, Pyrope and Painite 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.