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Azurite and Caledonite Optical Properties


Caledonite and Azurite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Visible shades of blue   
Weak   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.720-1.850   
1.818-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
0.108   
0.091   

Clarity
Transparent   
Transparent   

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Azurite and Caledonite Optic Character

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

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

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