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Azure malachite
Azure malachite

Phosgenite
Phosgenite



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Azure malachite
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Phosgenite

Azure malachite and Phosgenite Optical Properties

Optical Properties

Luster

-
Adamantine

Pleochroism

-
Weakly pleochroic with O reddish and E greenish in thick sections.

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99992.117-2.145
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
tetragonal

Birefringence

-99990.027
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Azure malachite and Phosgenite Optic Character

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

Azure malachite and Phosgenite Transparency

Similar to their colors, Azure malachite and Phosgenite 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, Azure malachite is while Azure malachite is in appearance.