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Vesuvianite
Vesuvianite

Grossular
Grossular



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Vesuvianite
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Grossular

Vesuvianite and Grossular Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Greasy, Vitreous

Pleochroism

slight in colored varieties
None

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.703-1.7521.730-1.760
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
cubic

Birefringence

0.004-0.0060.020
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Vesuvianite and Grossular Optic Character

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

Similar to their colors, Vesuvianite and Grossular 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.