Dioptase and Bowenite Optical Properties

Dioptase

Bowenite

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Optical Properties

Luster

Vitreous

Waxy, Silky, Resinous, Greasy

Pleochroism

Weak; dark emerald green

Dispersion

0.040.01

0.005 1

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Transparency

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.644-1.7201.530-1.575

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.051-0.053-9999

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

Dioptase and Bowenite Optic Character

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

Similar to their colors, Dioptase 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.