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Vesuvianite
Vesuvianite

Variscite
Variscite



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Vesuvianite
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Variscite

Vesuvianite and Variscite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Waxy

Pleochroism

slight in colored varieties
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

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

Refractive Index

1.703-1.7521.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.004-0.0060.031
0 0.296
👆🏻

Clarity

-
Translucent

Vesuvianite and Variscite Optic Character

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

Vesuvianite and Variscite Transparency

Similar to their colors, Vesuvianite 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, Vesuvianite is while Vesuvianite is in appearance.