Cuprite and Rosasite Optical Properties

Cuprite

Rosasite

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1 Optical Properties

1.1 Luster

Adamantine

Silky, Vitreous

1.2 Pleochroism

visible

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentWalter Schumann

Not Available

1.5 Refractive Index

2.8491.672-1.688

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

monoclinic

1.8 Birefringence

Not Available0.139-0.143

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Not Available

Cuprite and Rosasite Optic Character

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

Similar to their colors, Cuprite and Rosasite 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.