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Cuprite
Cuprite

Angelite
Angelite



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Cuprite
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Angelite

Cuprite and Angelite Optical Properties

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Optical Properties

Luster

Adamantine
-

Pleochroism

visible
-

Dispersion

0.050.01
0.005 1
👆🏻

Transparency

TranslucentWalter Schumann
-

Refractive Index

2.849-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TranslucentWalter Schumann
-

Cuprite and Angelite Optic Character

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

Similar to their colors, Cuprite and Angelite 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.