Williamsite and Periclase Optical Properties

Williamsite

Periclase

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Optical Properties

Luster

Waxy, Silky, Resinous, Greasy

Vitreous

Pleochroism

Dispersion

0.030.01

0.005 1

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Transparency

TranslucentHerve Nicolas Lazzarelli

TransparentWalter Schumann

Refractive Index

1.530-1.5751.735-1.738

1 3.25

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Optic Character

Crystal System

Isometric

Birefringence

-9999-9999

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

TransparentWalter Schumann

Williamsite and Periclase Optic Character

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

Similar to their colors, Williamsite and Periclase 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.