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Ekanite and Marcasite Optical Properties


Marcasite and Ekanite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.593-1.596   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422   
Not Available   

Birefringence
0.001   
Not Available   

Clarity
Transparent   
Gemmological Tables (2004) More from other references   

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Ekanite and Marcasite Optic Character

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

Similar to their colors, Ekanite and Marcasite 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, Ekanite is Transparent while Ekanite is Transparent in appearance.

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