Wavellite and Williamsite Optical Properties

Wavellite

Williamsite

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Optical Properties

Luster

Vitreous, Resinous, Pearly

Waxy, Silky, Resinous, Greasy

Pleochroism

Weak

Dispersion

0.020.03

0.005 1

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Transparency

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.518-1.5611.530-1.575

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.025-9999

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

Wavellite and Williamsite Optic Character

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

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Wavellite and Williamsite Transparency

Similar to their colors, Wavellite 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, Wavellite is while Wavellite is in appearance.