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Moissanite and Atacamite Optical Properties


Atacamite and Moissanite Optical Properties


Optical Properties

Luster
Adamantine   
Adamantine, Vitreous   

Pleochroism
NilArthur Thomas   
X = pale green; Y = yellow-green; Z = grass-green   

Dispersion
0.10   
5
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Not Available   

Refractive Index
2.648-2.691   
1.831   

Optic Character
Not Available   
Not Available   

Crystal System
6H polytype   
Orthorhombic   

Birefringence
0.043   
0.049   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Not Available   

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Moissanite and Atacamite Optic Character

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

Similar to their colors, Moissanite and Atacamite 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, Moissanite is Gemmological Tables (2004) More from other references while Moissanite is Gemmological Tables (2004) More from other references in appearance.

Green Gemstones

Green Gemstones


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