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Moissanite and Hematite Optical Properties


Hematite and Moissanite Optical Properties


Optical Properties

Luster
Adamantine   
Not Available   

Pleochroism
NilArthur Thomas   
O = brownish red; E = yellowish red   

Dispersion
0.10   
5
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references   

Refractive Index
2.648-2.691   
2.690-3.220   

Optic Character
Not Available   
Not Available   

Crystal System
6H polytype   
Trigonal   

Birefringence
0.043   
0.280   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
OpaqueHerve Nicolas Lazzarelli   

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Moissanite and Hematite Optic Character

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

Similar to their colors, Moissanite and Hematite 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.

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