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Marcasite
Marcasite

Ekanite
Ekanite



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Marcasite
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Ekanite

Marcasite and Ekanite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
Not Available1.593-1.596
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
1.8 Birefringence
Not Available0.001
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Marcasite and Ekanite Optic Character

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

Marcasite and Ekanite Transparency

Similar to their colors, Marcasite and Ekanite 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.