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Verdelite and Malachite Optical Properties


Malachite and Verdelite Optical Properties


Optical Properties

Luster
Not Available   
Adamantine, Vitreous, Silky, Fibrous   

Pleochroism
Strong: dark green yellow   
Not Available   

Dispersion
0.02   
22
None   

Transparency
Transparent, Translucent   
Opaque   

Refractive Index
1.614-1.666   
1.655-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
0.014-0.040   
0.254   

Clarity
Transparent   
Gemmological Tables (2004) More from other references   

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Verdelite and Malachite Optic Character

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

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Verdelite and Malachite Transparency

Similar to their colors, Verdelite and Malachite 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, Verdelite is Translucent and Transparent while Verdelite is Translucent and Transparent in appearance.

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