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Lazurite
Lazurite

Vesuvianite
Vesuvianite



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Lazurite
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Vesuvianite

Lazurite and Vesuvianite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

-
slight in colored varieties

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5001.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
tetragonal

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

-
-

Lazurite and Vesuvianite Optic Character

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

Lazurite and Vesuvianite Transparency

Similar to their colors, Lazurite and Vesuvianite 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, Lazurite is while Lazurite is in appearance.