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Vesuvianite
Vesuvianite

Riebeckite
Riebeckite



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Vesuvianite
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Riebeckite

Vesuvianite and Riebeckite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Silky

Pleochroism

slight in colored varieties
X = blue

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.703-1.7521.680-1.698
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.004-0.0060.005-0.008
0 0.296
👆🏻

Clarity

-
-

Vesuvianite and Riebeckite Optic Character

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

Similar to their colors, Vesuvianite and Riebeckite 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.