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Vesuvianite
Vesuvianite

Lepidolite
Lepidolite



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X
Vesuvianite
X
Lepidolite

Vesuvianite and Lepidolite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Pearly

Pleochroism

slight in colored varieties
X = almost colorless; Y = Z = pink

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.703-1.7521.525-1.587
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Triclinic

Birefringence

0.004-0.0060.0290-0.0380
0 0.296
👆🏻

Clarity

-
Transparent

Vesuvianite and Lepidolite Optic Character

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

Similar to their colors, Vesuvianite and Lepidolite 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.