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Copper
Copper

Phosgenite
Phosgenite



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Copper
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Phosgenite

Copper and Phosgenite Optical Properties

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Optical Properties

Luster

-
Adamantine

Pleochroism

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

Dispersion

0.000.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99992.117-2.145
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
tetragonal

Birefringence

-99990.027
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Copper and Phosgenite Optic Character

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

Copper and Phosgenite Transparency

Similar to their colors, Copper 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, Copper is while Copper is in appearance.