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Azurmalachite and Danburite Optical Properties


Danburite and Azurmalachite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Vitreous, Greasy   

Pleochroism
AbsentWalter Schumann   
Weak: pale yellow yellow   

Dispersion
Not Available   
0.02   
22

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.655-1.909   
1.627-1.639   

Optic Character
Biaxial/+   
Biaxial/+   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
0.108-0.254   
0.006   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Azurmalachite and Danburite Optic Character

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

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Azurmalachite and Danburite Transparency

Similar to their colors, Azurmalachite and Danburite 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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