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Chrome-Chalcedony and Rubellite Optical Properties


Rubellite and Chrome-Chalcedony Optical Properties


Optical Properties

Luster
Waxy   
Not Available   

Pleochroism
Not Available   
Strong: dark red pinkish-redHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
22

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.530-1.543   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.003-0.009   
0.014-0.040   

Clarity
Translucent   
Transparent   

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Chrome-Chalcedony and Rubellite Optic Character

Chrome-Chalcedony and Rubellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrome-Chalcedony and Rubellite 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 Chrome-Chalcedony and Rubellite 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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Chrome-Chalcedony and Rubellite Transparency

Similar to their colors, Chrome-Chalcedony and Rubellite 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, Chrome-Chalcedony is Translucent while Chrome-Chalcedony is Translucent in appearance.

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