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Malachite
Malachite

Charlesite
Charlesite



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Malachite
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Charlesite

Malachite and Charlesite Optical Properties

Optical Properties

Luster

Adamantine, Vitreous, Silky
Vitreous

Pleochroism

-
Nearly colorless to pale golden yellow

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

Opaque
-

Refractive Index

1.655-1.9091.492
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.254-9999
0 0.296
👆🏻

Clarity

-
-

Malachite and Charlesite Optic Character

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

Malachite and Charlesite Transparency

Similar to their colors, Malachite and Charlesite 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, Malachite is Opaque while Malachite is Opaque in appearance.