Cuprite and Catapleiite Optical Properties

Cuprite

Catapleiite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

visible

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentWalter Schumann

TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)

1.5 Refractive Index

2.8491.590-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

1.8 Birefringence

Not Available0.039

0 0.296

1.9 Clarity

TranslucentWalter Schumann

TransparentUlrich Henn and Claudio C. Milisenda

Cuprite and Catapleiite Optic Character

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

Similar to their colors, Cuprite and Catapleiite 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.