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Malachite
Malachite

Verdite
Verdite



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Malachite
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Verdite

Malachite and Verdite Optical Properties

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Optical Properties

Luster

Adamantine, Vitreous, Silky
Vitreous, Silky

Pleochroism

-
Extreme

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

Opaque
Translucent

Refractive Index

1.655-1.9091.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.254-9999
0 0.296
👆🏻

Clarity

-
Translucent

Malachite and Verdite Optic Character

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

Similar to their colors, Malachite and Verdite 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.