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Malachite
Malachite

Anatase
Anatase



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Malachite
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Anatase

Malachite and Anatase Optical Properties

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Optical Properties

Luster

Adamantine, Vitreous, Silky
Adamantine

Pleochroism

-
Weak

Dispersion

0.040.21
0.005 1
👆🏻

Transparency

Opaque
Transparent

Refractive Index

1.655-1.9092.488-2.562
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.2540.073
0 0.296
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Clarity

-
Transparent

Malachite and Anatase Optic Character

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

Similar to their colors, Malachite and Anatase 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.