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Riesling Beryl and Rubellite Optical Properties


Rubellite and Riesling Beryl Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Strongly dichroicMartin H. Read   
Strong: dark red pinkish-redHerve Nicolas Lazzarelli   

Dispersion
0.01   
26
0.02   
22

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
1.59   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.004-0.010   
0.014-0.040   

Clarity
Not Available   
Transparent   

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Riesling Beryl and Rubellite Optic Character

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

Similar to their colors, Riesling Beryl 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, Riesling Beryl is Not Available while Riesling Beryl is Not Available in appearance.

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