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Spinel and Moissanite Optical Properties


Moissanite and Spinel Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine   

Pleochroism
Absent   
NilArthur Thomas   

Dispersion
0.02   
18
0.10   
5

Transparency
Transparent, Translucent, Transparent to translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.73   
2.648-2.691   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
6H polytype   

Birefringence
Not Available   
0.043   

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

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Spinel and Moissanite Optic Character

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

Similar to their colors, Spinel 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, Spinel is Translucent, Transparent and Transparent to translucent while Spinel is Translucent, Transparent and Transparent to translucent in appearance.

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