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Gedrite and Variscite Optical Properties


Variscite and Gedrite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Waxy  

Pleochroism
Weak to moderate  
-  

Dispersion
0.02  
99+
0.01  
99+

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

Refractive Index
1.625-1.718  
1.560-1.594  

Optic Character
-  
-  

Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  
Orthorhombic  

Birefringence
-9999  
0.031  

Clarity
Transparent  
Translucent  

Benefits >>
<< Physical Properties

Gedrite and Variscite Optic Character

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

Similar to their colors, Gedrite 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, Gedrite is Transparent while Gedrite is Transparent in appearance.

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