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Vanadinite
Vanadinite

Ludlamite
Ludlamite



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Vanadinite
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Ludlamite

Vanadinite and Ludlamite Optical Properties

Optical Properties

Luster

Resinous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.150.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.4161.653-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

0.0660.038-0.044
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Vanadinite and Ludlamite Optic Character

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

Similar to their colors, Vanadinite and Ludlamite 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.