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Apophyllite and Cuprite Optical Properties


Cuprite and Apophyllite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Adamantine   

Pleochroism
Dichroic (colorless)   
visible   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
TranslucentWalter Schumann   

Refractive Index
1.530-1.543   
2.849   

Optic Character
Uniaxial/-   
Not Available   

Crystal System
tetragonal   
cubic   

Birefringence
0.000-0.003   
Not Available   

Clarity
Transparent   
TranslucentWalter Schumann   

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Apophyllite and Cuprite Optic Character

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

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Apophyllite and Cuprite Transparency

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

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