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Azurmalachite and Tourmaline Optical Properties


Tourmaline and Azurmalachite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Vitreous   

Pleochroism
AbsentWalter Schumann   
typically moderate to strong   

Dispersion
Not Available   
0.02   
22

Transparency
Translucent   
Transparent, Translucent, Transparent to opaque   

Refractive Index
1.655-1.909   
1.614-1.666   

Optic Character
Biaxial/+   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
0.108-0.254   
0.014-0.040   

Clarity
Translucent   
Transparent   

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Azurmalachite and Tourmaline Optic Character

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

Similar to their colors, Azurmalachite and Tourmaline 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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