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Anhydrite
Anhydrite

Bowenite
Bowenite



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Anhydrite
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Bowenite

Anhydrite and Bowenite Optical Properties

Optical Properties

Luster

Pearly, Greasy
Waxy, Silky, Resinous, Greasy

Pleochroism

For violet varieties
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.570-1.6141.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.042-0.044-9999
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Anhydrite and Bowenite Optic Character

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

Anhydrite and Bowenite Transparency

Similar to their colors, Anhydrite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.