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Vesuvianite
Vesuvianite

Smithsonite
Smithsonite



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Vesuvianite
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Smithsonite

Vesuvianite and Smithsonite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Pearly

Pleochroism

slight in colored varieties
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.703-1.7521.620-1.850
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.004-0.0060.223-0.227
0 0.296
👆🏻

Clarity

-
Translucent

Vesuvianite and Smithsonite Optic Character

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

Similar to their colors, Vesuvianite and Smithsonite 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.