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Hurlbutite and Riesling Beryl Optical Properties


Riesling Beryl and Hurlbutite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
Strongly dichroicMartin H. Read   

Dispersion
Not Available   
0.01   
26

Transparency
Transparent   
Not Available   

Refractive Index
1.595-1.604   
1.59   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   
Not Available   

Birefringence
0.009   
0.004-0.010   

Clarity
Transparent   
Not Available   

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Hurlbutite and Riesling Beryl Optic Character

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

Similar to their colors, Hurlbutite 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.

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Green Gemstones


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