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Vesuvianite
Vesuvianite

Verdelite
Verdelite



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Vesuvianite
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Verdelite

Vesuvianite and Verdelite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

slight in colored varieties
Strong: dark green yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.703-1.7521.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.004-0.0060.014-0.040
0 0.296
👆🏻

Clarity

-
Transparent

Vesuvianite and Verdelite Optic Character

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

Similar to their colors, Vesuvianite and Verdelite 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.