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Lazulite
Lazulite

Cacoxenite
Cacoxenite



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Lazulite
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Cacoxenite

Lazulite and Cacoxenite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
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Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
0.01
Transparent, Translucent
1.604-1.646
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monoclinic
0.031-0.036
Transparent
 
Silky
visible: O = Pale yellow E = Canary yellow to yellow orange
0.03
-
1.575-1.585
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Hexagonal
-9999
-

Lazulite and Cacoxenite Optic Character

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

Similar to their colors, Lazulite and Cacoxenite 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 while Lazulite is in appearance.