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Melanite and Malachite Optical Properties


Malachite and Melanite Optical Properties


Optical Properties

Luster
Subadamantine, Vitreous   
Adamantine, Vitreous, Silky, Fibrous   

Pleochroism
Not Available   
Not Available   

Dispersion
0.06   
7
None   

Transparency
Translucent   
Opaque   

Refractive Index
1.855-1.895   
1.655-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
Not Available   
0.254   

Clarity
Translucent   
Gemmological Tables (2004) More from other references   

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Melanite and Malachite Optic Character

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

Similar to their colors, Melanite 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, Melanite is Translucent while Melanite is Translucent in appearance.

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