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Kyanite and Riesling Beryl Optical Properties


Riesling Beryl and Kyanite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
Trichroic   
Strongly dichroicMartin H. Read   

Dispersion
Not Available   
0.01   
26

Transparency
Not Available   
Not Available   

Refractive Index
1.71-1.74   
1.59   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
Not Available   
0.004-0.010   

Clarity
Color grading system   
Not Available   

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Kyanite and Riesling Beryl Optic Character

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

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Kyanite and Riesling Beryl Transparency

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

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