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Tortoiseshell and Moissanite Optical Properties


Moissanite and Tortoiseshell Optical Properties


Optical Properties

Luster
Not Available   
Adamantine   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
0.10   
5

Transparency
Gemmological Tables (2004)   
Gemmological Tables (2004) More from other references   

Refractive Index
1.540-1.560   
2.648-2.691   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
6H polytype   

Birefringence
Not Available   
0.043   

Clarity
OpaqueUlrich Henn and Claudio C. Milisenda   
TransparentUlrich Henn and Claudio C. Milisenda   

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Tortoiseshell and Moissanite Optic Character

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

Similar to their colors, Tortoiseshell and Moissanite 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, Tortoiseshell is Gemmological Tables (2004) while Tortoiseshell is Gemmological Tables (2004) in appearance.

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