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Pyroxmangite and Variscite Optical Properties


Variscite and Pyroxmangite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Waxy  

Pleochroism
-  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
Translucent, Opaque . May be translucent when backlit on the edges.  

Refractive Index
1.735-1.756  
1.560-1.594  

Optic Character
-  
-  

Crystal System
-  
Orthorhombic  

Birefringence
0.017-0.019  
0.031  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Translucent  

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Pyroxmangite and Variscite Optic Character

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

Similar to their colors, Pyroxmangite and Variscite 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, Pyroxmangite is while Pyroxmangite is in appearance.

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