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Gahnite and Azurmalachite Optical Properties


Azurmalachite and Gahnite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Silky   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Translucent   

Refractive Index
1.790-1.818   
1.655-1.909   

Optic Character
Not Available   
Biaxial/+   

Crystal System
cubic   
monoclinic   

Birefringence
Not Available   
0.108-0.254   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Translucent   

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Gahnite and Azurmalachite Optic Character

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

Similar to their colors, Gahnite 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, Gahnite is Gemmological Tables (2004) More from other references while Gahnite is Gemmological Tables (2004) More from other references in appearance.

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