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Cuprite
Cuprite

Benitoite
Benitoite



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Cuprite
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Benitoite

Cuprite and Benitoite Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

visible
O = colorless; E = purple

Dispersion

0.050.04
0.005 1
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Transparency

TranslucentWalter Schumann
Transparent

Refractive Index

2.8491.757-1.804
1 3.25
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Optic Character

-
-

Crystal System

cubic
Hexagonal

Birefringence

-99990.047
0 0.296
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Clarity

TranslucentWalter Schumann
Transparent

Cuprite and Benitoite Optic Character

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

Similar to their colors, Cuprite and Benitoite 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.