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Marcasite and Bixbite Optical Properties


Bixbite and Marcasite Optical Properties


Optical Properties

Luster
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Pleochroism
NilArthur Thomas   
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Dispersion
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Transparency
Gemmological Tables (2004) More from other references   
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Refractive Index
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Optic Character
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Crystal System
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Hexagonal   

Birefringence
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Clarity
Gemmological Tables (2004) More from other references   
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Marcasite and Bixbite Optic Character

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

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

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