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Variscite
Variscite

Sellaite
Sellaite



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Variscite
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Sellaite

Variscite and Sellaite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Waxy
-
0.01
Translucent, Opaque . May be translucent when backlit on the edges.
1.560-1.594
-
Orthorhombic
0.031
Translucent
 
Vitreous
-
0.03
Transparent
1.378-1.390
-
tetragonal
0.012
Transparent

Variscite and Sellaite Optic Character

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

Variscite and Sellaite Transparency

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