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Jeremejevite and Ludlamite Optical Properties


Ludlamite and Jeremejevite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
Colorless  
-  

Dispersion
0.01  
99+
0.02  
99+

Transparency
-  
-  

Refractive Index
1.638-1.650  
1.653-1.693  

Optic Character
-  
-  

Crystal System
Hexagonal  
monoclinic  

Birefringence
0.0130  
0.038-0.044  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
TransparentUlrich Henn and Claudio C. Milisenda  

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Jeremejevite and Ludlamite Optic Character

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

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

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