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Arfvedsonite
Arfvedsonite

Cuprite
Cuprite



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Arfvedsonite
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Cuprite

Arfvedsonite and Cuprite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

Strong: Blue-greens
visible

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

-
TranslucentWalter Schumann

Refractive Index

1.652-1.6992.849
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
cubic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TranslucentWalter Schumann

Arfvedsonite and Cuprite Optic Character

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

Arfvedsonite and Cuprite Transparency

Similar to their colors, Arfvedsonite and Cuprite 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, Arfvedsonite is while Arfvedsonite is in appearance.