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Cuprite and Covellite Optical Properties


Covellite and Cuprite Optical Properties


Optical Properties

Luster
Adamantine   
Resinous   

Pleochroism
visible   
Marked   

Dispersion
Not Available   
Not Available   

Transparency
TranslucentWalter Schumann   
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references   

Refractive Index
2.849   
1.45-2.62   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Hexagonal   

Birefringence
Not Available   
Not Available   

Clarity
TranslucentWalter Schumann   
OpaqueAnthony et al   

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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.

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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.

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