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Lazulite
Lazulite

Larvikite
Larvikite



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Lazulite
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Larvikite

Lazulite and Larvikite Optical Properties

Optical Properties

Luster

-
Pearly

Pleochroism

Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.604-1.646-9999
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.031-0.036-9999
0 0.296
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Clarity

Transparent
Transparent

Lazulite and Larvikite Optic Character

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

Lazulite and Larvikite Transparency

Similar to their colors, Lazulite and Larvikite 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, Lazulite is Transparent and Translucent while Lazulite is Transparent and Translucent in appearance.