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Amethyst
Amethyst

Bowenite
Bowenite



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Amethyst
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Bowenite

Amethyst and Bowenite Optical Properties

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Optical Properties

Luster

Vitreous
Waxy, Silky, Resinous, Greasy

Pleochroism

None
-

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Transparent to translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.544-1.5531.530-1.575
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.009-9999
0 0.296
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Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Amethyst and Bowenite Optic Character

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

Amethyst and Bowenite Transparency

Similar to their colors, Amethyst 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.