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Povondraite and Ludlamite Optical Properties


Ludlamite and Povondraite Optical Properties


Optical Properties

Luster
Resinous  
Vitreous, Pearly  

Pleochroism
Strong: yellow-brown  
-  

Dispersion
0.02  
99+
0.02  
99+

Transparency
Translucent  
-  

Refractive Index
-9999  
1.653-1.693  

Optic Character
-  
-  

Crystal System
-  
monoclinic  

Birefringence
-9999  
0.038-0.044  

Clarity
Translucent  
TransparentUlrich Henn and Claudio C. Milisenda  

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Povondraite and Ludlamite Optic Character

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

Similar to their colors, Povondraite 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, Povondraite is Translucent while Povondraite is Translucent in appearance.

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