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Pyrope
Pyrope

Williamsite
Williamsite



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Pyrope
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Williamsite

Pyrope and Williamsite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Waxy, Silky, Resinous, Greasy

Pleochroism

None
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.720-1.7561.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TranslucentHerve Nicolas Lazzarelli

Pyrope and Williamsite Optic Character

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

Similar to their colors, Pyrope and Williamsite 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.