Zincite and Bowenite Optical Properties

Zincite

Bowenite

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Optical Properties

Luster

Subadamantine, Resinous

Waxy, Silky, Resinous, Greasy

Pleochroism

Very weak

Dispersion

0.160.01

0.005 1

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Transparency

TransparentRobert C. Kammerling

TranslucentHerve Nicolas Lazzarelli

Refractive Index

2.013-2.0291.530-1.575

1 3.25

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Optic Character

Crystal System

Hexagonal

Birefringence

0.016-9999

0 0.296

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Clarity

TransparentRobert C. Kammerling

TranslucentHerve Nicolas Lazzarelli

Zincite and Bowenite Optic Character

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

Similar to their colors, Zincite and Bowenite 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, Zincite is TransparentRobert C. Kammerling while Zincite is TransparentRobert C. Kammerling in appearance.