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Vanadinite
Vanadinite

Eudialyte
Eudialyte



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Vanadinite
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Eudialyte

Vanadinite and Eudialyte Optical Properties

Optical Properties

Luster

Resinous
Vitreous

Pleochroism

-
Weak: O= colorless

Dispersion

0.150.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

2.4161.591-1.633
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Trigonal

Birefringence

0.0660.003-0.010
0 0.296
👆🏻

Clarity

-
Translucent

Vanadinite and Eudialyte Optic Character

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

Similar to their colors, Vanadinite and Eudialyte 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.