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Vanadinite
Vanadinite

Legrandite
Legrandite



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Vanadinite
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Legrandite

Vanadinite and Legrandite Optical Properties

Optical Properties

Luster

Resinous
Vitreous

Pleochroism

-
Colorless

Dispersion

0.150.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.4161.702-1.740
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

0.0660.060
0 0.296
👆🏻

Clarity

-
-

Vanadinite and Legrandite Optic Character

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

Vanadinite and Legrandite Transparency

Similar to their colors, Vanadinite and Legrandite 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, Vanadinite is while Vanadinite is in appearance.