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Malachite
Malachite

Liddicoatite
Liddicoatite



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Malachite
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Liddicoatite

Malachite and Liddicoatite Optical Properties

Optical Properties

Luster

Adamantine, Vitreous, Silky
Vitreous

Pleochroism

-
Strong: dark brown light brownAnthony et al

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Opaque
Transparent

Refractive Index

1.655-1.909-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.254-9999
0 0.296
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Clarity

-
Transparent

Malachite and Liddicoatite Optic Character

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

Similar to their colors, Malachite and Liddicoatite 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.