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Azurmalachite and Euclase Optical Properties


Euclase and Azurmalachite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Weak: colorless-(greenish) yellow   

Dispersion
Not Available   
0.02   
23

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.655-1.909   
1.650-1.677   

Optic Character
Biaxial/+   
Not Available   

Crystal System
monoclinic   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   

Birefringence
0.108-0.254   
0.019-0.025   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Azurmalachite and Euclase Optic Character

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

Similar to their colors, Azurmalachite and Euclase 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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