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Rubellite and Chrome-Chalcedony Optical Properties


Chrome-Chalcedony and Rubellite Optical Properties


Optical Properties

Luster
Not Available   
Waxy   

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

Dispersion
0.02   
22
Not Available   

Transparency
Transparent, Translucent   
Translucent   

Refractive Index
1.614-1.666   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.014-0.040   
0.003-0.009   

Clarity
Transparent   
Translucent   

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Rubellite and Chrome-Chalcedony Optic Character

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

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

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