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Lizardite and Malachite Optical Properties


Malachite and Lizardite Optical Properties


Optical Properties

Luster
Not Available   
Adamantine, Vitreous, Silky, Fibrous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
None   

Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)   
Opaque   

Refractive Index
1.538-1.560   
1.655-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
Not Available   
0.254   

Clarity
TranslucentAnthony et al   
Gemmological Tables (2004) More from other references   

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Lizardite and Malachite Optic Character

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

Similar to their colors, Lizardite 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, Lizardite is Handbook of mineralogy (2001) and TranslucentAnthony et al while Lizardite is Handbook of mineralogy (2001) and TranslucentAnthony et al in appearance.

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