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Linarite and Azurmalachite Optical Properties


Azurmalachite and Linarite Optical Properties


Optical Properties

Luster
Sub-Adamantine, Vitreous   
Vitreous, Silky   

Pleochroism
X = pale blue; Y = blue; Z = Prussian blue   
AbsentWalter Schumann   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Translucent   

Refractive Index
1.809-1.859   
1.655-1.909   

Optic Character
Not Available   
Biaxial/+   

Crystal System
monoclinic   
monoclinic   

Birefringence
0.050   
0.108-0.254   

Clarity
Transparent   
Translucent   

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Linarite and Azurmalachite Optic Character

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

Similar to their colors, Linarite 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, Linarite is Transparent while Linarite is Transparent in appearance.

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