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Azurmalachite and Omphacite Optical Properties


Omphacite and Azurmalachite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Weak: colorless -- very pale green -- very pale green   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
TranslucentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.655-1.909   
1.662-1.723   

Optic Character
Biaxial/+   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.108-0.254   
Not Available   

Clarity
Translucent   
TranslucentAnthony et al   

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Azurmalachite and Omphacite Optic Character

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

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

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