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Pyrope
Pyrope

Poldervaartite
Poldervaartite



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Pyrope
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Poldervaartite

Pyrope and Poldervaartite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
Weak: colorless light gray bluish grayAnthony et al

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.720-1.7561.634-1.656
1 3.25
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Optic Character

-
-

Crystal System

cubic
-

Birefringence

-9999-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyrope and Poldervaartite Optic Character

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

Similar to their colors, Pyrope and Poldervaartite 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.