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Ludlamite and Riesling Beryl Optical Properties


Riesling Beryl and Ludlamite Optical Properties


Optical Properties

Luster
Vitreous, Pearly  
-  

Pleochroism
-  
Strongly dichroicMartin H. Read  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
-  

Refractive Index
1.653-1.693  
1.59  

Optic Character
-  
-  

Crystal System
monoclinic  
-  

Birefringence
0.038-0.044  
0.004-0.010  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
-  

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Ludlamite and Riesling Beryl Optic Character

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

Similar to their colors, Ludlamite 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, Ludlamite is while Ludlamite is in appearance.

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