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Vanadinite
Vanadinite

Apatite
Apatite



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Vanadinite
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Apatite

Vanadinite and Apatite Optical Properties

Optical Properties

Luster

Resinous
Vitreous

Pleochroism

-
Blue stones – strong

Dispersion

0.150.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.4161.628-1.651
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Hexagonal

Birefringence

0.0660.002-0.008
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Vanadinite and Apatite Optic Character

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

Similar to their colors, Vanadinite and Apatite 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.