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Cuprite
Cuprite

Covellite
Covellite



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Cuprite
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Covellite

Cuprite and Covellite Optical Properties

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Optical Properties

Luster

Adamantine
Resinous

Pleochroism

visible
Marked

Dispersion

0.050.08
0.005 1
👆🏻

Transparency

TranslucentWalter Schumann
OpaqueAnthony et al

Refractive Index

2.8491.45-2.62
1 3.25
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Optic Character

-
-

Crystal System

cubic
Hexagonal

Birefringence

-9999-9999
0 0.296
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Clarity

TranslucentWalter Schumann
OpaqueAnthony et al

Cuprite and Covellite Optic Character

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

Cuprite and Covellite Transparency

Similar to their colors, Cuprite and Covellite 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, Cuprite is TranslucentWalter Schumann while Cuprite is TranslucentWalter Schumann in appearance.