Sodalite and Wavellite Optical Properties

Sodalite

Wavellite

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Optical Properties

Luster

Greasy

Vitreous, Resinous, Pearly

Pleochroism

Weak

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent, Opaque

Refractive Index

1.478-1.4881.518-1.561

1 3.25

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Optic Character

Crystal System

cubic

Orthorhombic

Birefringence

-99990.025

0 0.296

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Clarity

Transparent

Sodalite and Wavellite Optic Character

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

Similar to their colors, Sodalite 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, Sodalite is Transparent, Translucent and Opaque while Sodalite is Transparent, Translucent and Opaque in appearance.