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Andesine and Riesling Beryl Optical Properties


Riesling Beryl and Andesine Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
colorless.   
Strongly dichroicMartin H. Read   

Dispersion
0.70   
2
0.01   
26

Transparency
Transparent, Translucent, Transparent to translucent   
Not Available   

Refractive Index
1.543-1.564   
1.59   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.007-0.011   
0.004-0.010   

Clarity
Transparent   
Not Available   

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Andesine and Riesling Beryl Optic Character

Andesine and Riesling Beryl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine and Riesling Beryl 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 Andesine and Riesling Beryl 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. Andesine has Biaxial/+ character.

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Andesine and Riesling Beryl Transparency

Similar to their colors, Andesine and Riesling Beryl 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.

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