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Cuprite and Vivianite Optical Properties


Vivianite and Cuprite Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous, Pearly   

Pleochroism
visible   
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue   

Dispersion
Not Available   
Not Available   

Transparency
TranslucentWalter Schumann   
Transparent   

Refractive Index
2.849   
1.560-1.640   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Not Available   

Birefringence
Not Available   
0.054-0.075   

Clarity
TranslucentWalter Schumann   
Transparent   

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Cuprite and Vivianite Optic Character

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

Similar to their colors, Cuprite and Vivianite 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.

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