Catapleiite and Williamsite Optical Properties

Catapleiite

Williamsite

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Optical Properties

Luster

Vitreous

Waxy, Silky, Resinous, Greasy

Pleochroism

Dispersion

0.010.03

0.005 1

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Transparency

TransparentUlrich Henn and Claudio C. Milisenda

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.590-1.6291.530-1.575

1 3.25

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Optic Character

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

Birefringence

0.039-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TranslucentHerve Nicolas Lazzarelli

Catapleiite and Williamsite Optic Character

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

Similar to their colors, Catapleiite 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, Catapleiite is TransparentUlrich Henn and Claudio C. Milisenda while Catapleiite is TransparentUlrich Henn and Claudio C. Milisenda in appearance.