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Chalcedony and Azurmalachite Optical Properties


Azurmalachite and Chalcedony Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Silky   

Pleochroism
AbsentWalter Schumann   
AbsentWalter Schumann   

Dispersion
None   
Not Available   

Transparency
Translucent, Translucent to opaque   
Translucent   

Refractive Index
1.530-1.543   
1.655-1.909   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Trigonal   
monoclinic   

Birefringence
0.003-0.009   
0.108-0.254   

Clarity
Translucent   
Translucent   

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Chalcedony and Azurmalachite Optic Character

Chalcedony and Azurmalachite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chalcedony and Azurmalachite 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 Chalcedony and Azurmalachite 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. Azurmalachite has Biaxial/+ character.

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Chalcedony and Azurmalachite Transparency

Similar to their colors, Chalcedony and Azurmalachite 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.

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