Williamsite and Wavellite Optical Properties

Williamsite

Wavellite

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Optical Properties

Luster

Waxy, Silky, Resinous, Greasy

Vitreous, Resinous, Pearly

Pleochroism

Weak

Dispersion

0.030.02

0.005 1

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Transparency

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.530-1.5751.518-1.561

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-99990.025

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

Williamsite and Wavellite Optic Character

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

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Williamsite Vs Uvarovite Garnet

Williamsite Vs Analcime

Williamsite Vs Annabergite

Williamsite and Wavellite Transparency

Similar to their colors, Williamsite and Wavellite 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, Williamsite is TranslucentHerve Nicolas Lazzarelli while Williamsite is TranslucentHerve Nicolas Lazzarelli in appearance.