Tugtupite and Bowenite Optical Properties

Tugtupite

Bowenite

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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

OpaqueHerve Nicolas Lazzarelli

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.494-1.5041.530-1.575

1 3.25

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Optic Character

Crystal System

tetragonal

Birefringence

0.008-9999

0 0.296

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Clarity

OpaqueHerve Nicolas Lazzarelli

TranslucentHerve Nicolas Lazzarelli

Tugtupite and Bowenite Optic Character

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

Similar to their colors, Tugtupite 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, Tugtupite is OpaqueHerve Nicolas Lazzarelli while Tugtupite is OpaqueHerve Nicolas Lazzarelli in appearance.