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Charoite and Azurite Optical Properties


Azurite and Charoite Optical Properties


Optical Properties

Luster
Pearly, Fibrous, Chatoyant   
Vitreous   

Pleochroism
NilArthur Thomas   
Visible shades of blue   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.545-1.560   
1.720-1.850   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
monoclinic   

Birefringence
0.009   
0.108   

Clarity
Translucent   
Transparent   

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Charoite and Azurite Optic Character

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

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Charoite and Azurite Transparency

Similar to their colors, Charoite and Azurite 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, Charoite is Translucent while Charoite is Translucent in appearance.

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