Andesine and Cuprite Optical Properties

Andesine

Cuprite

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Optical Properties

Luster

Vitreous

Adamantine

Pleochroism

colorless.

visible

Dispersion

0.700.05

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

TranslucentWalter Schumann

Refractive Index

1.543-1.5642.849

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

cubic

Birefringence

0.007-0.011-9999

0 0.296

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Clarity

Transparent

TranslucentWalter Schumann

Andesine and Cuprite Optic Character

Andesine and Cuprite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

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Andesine and Cuprite Transparency

Similar to their colors, Andesine 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, Andesine is Transparent, Translucent and Transparent to translucent while Andesine is Transparent, Translucent and Transparent to translucent in appearance.