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Riesling Beryl and Stibiotantalite Optical Properties


Stibiotantalite and Riesling Beryl Optical Properties


Optical Properties

Luster
Not Available   
Adamantine   

Pleochroism
Strongly dichroicMartin H. Read   
Not Available   

Dispersion
0.01   
26
Not Available   

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.59   
2.37-2.45   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.004-0.010   
0.08   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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Riesling Beryl and Stibiotantalite Optic Character

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

Similar to their colors, Riesling Beryl and Stibiotantalite 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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