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Lazurite
Lazurite

Violane
Violane



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Lazurite
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Violane

Lazurite and Violane Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.5001.668-1.703
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
-

Birefringence

-99990.024-0.030
0 0.296
👆🏻

Clarity

-
Translucent

Lazurite and Violane Optic Character

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

Similar to their colors, Lazurite and Violane 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.