Cuprite and Zoisite Optical Properties

Cuprite

Zoisite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

visible

X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

TranslucentWalter Schumann

Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

1.5 Refractive Index

2.8491.685-1.707

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Orthorhombic

1.8 Birefringence

Not Available0.006-0.018

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Transparent

Cuprite and Zoisite Optic Character

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

Similar to their colors, Cuprite and Zoisite 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.