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Atacamite
Atacamite

Pyroxmangite
Pyroxmangite



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Atacamite
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Pyroxmangite

Atacamite and Pyroxmangite Optical Properties

Optical Properties

Luster

Adamantine, Vitreous
Vitreous

Pleochroism

X = pale green; Y = yellow-green; Z = grass-green
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.8311.735-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.0490.017-0.019
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Atacamite and Pyroxmangite Optic Character

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

Atacamite and Pyroxmangite Transparency

Similar to their colors, Atacamite and Pyroxmangite 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, Atacamite is while Atacamite is in appearance.