Bowenite and Tugtupite Optical Properties

Bowenite

Tugtupite

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Optical Properties

Luster

Waxy, Silky, Resinous, Greasy

Pleochroism

ModerateArthur Thomas

Dispersion

0.010.01

0.005 1

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Transparency

TranslucentHerve Nicolas Lazzarelli

OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.530-1.5751.494-1.504

1 3.25

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Optic Character

Crystal System

tetragonal

Birefringence

-99990.008

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

OpaqueHerve Nicolas Lazzarelli

Bowenite and Tugtupite Optic Character

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

Similar to their colors, Bowenite and Tugtupite 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, Bowenite is TranslucentHerve Nicolas Lazzarelli while Bowenite is TranslucentHerve Nicolas Lazzarelli in appearance.