Williamsite and Esperite Optical Properties

Williamsite

Esperite

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Optical Properties

Luster

Waxy, Silky, Resinous, Greasy

Vitreous

Pleochroism

colorless.

Dispersion

0.030.02

0.005 1

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Transparency

TranslucentHerve Nicolas Lazzarelli

OpaqueAnthony et al, Opaque, Transparent

Refractive Index

1.530-1.5751.760-1.774

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.012

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

OpaqueAnthony et al

Williamsite and Esperite Optic Character

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

Similar to their colors, Williamsite and Esperite 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.