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Vanadinite
Vanadinite

Andradite
Andradite



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Vanadinite
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Andradite

Vanadinite and Andradite Optical Properties

Optical Properties

Luster

Resinous
Adamantine, Resinous

Pleochroism

-
-

Dispersion

0.150.06
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

2.4161.88-1.94
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
cubic

Birefringence

0.0660.057
0 0.296
👆🏻

Clarity

-
Transparent

Vanadinite and Andradite Optic Character

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

Similar to their colors, Vanadinite and Andradite 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.