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Variscite and Ammolite Optical Properties


Ammolite and Variscite Optical Properties


Optical Properties

Luster
Vitreous, Waxy  
Silky, Vitreous  

Pleochroism
-  
None  

Dispersion
0.01  
99+
0.01  
99+

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

Refractive Index
1.560-1.594  
1.520-1.670  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Trigonal  

Birefringence
0.031  
0.135-0.145  

Clarity
Translucent  
-  

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Variscite and Ammolite Optic Character

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

Similar to their colors, Variscite and Ammolite 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, Variscite is Translucent and Opaque . May be translucent when backlit on the edges. while Variscite is Translucent and Opaque . May be translucent when backlit on the edges. in appearance.

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