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Sardonyx
Sardonyx

Pyrite Marcasite
Pyrite Marcasite



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Sardonyx
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Pyrite Marcasite

Sardonyx and Pyrite Marcasite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Opaque
1.5 Refractive Index
1.530-1.543Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
0.008-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Opaque

Sardonyx and Pyrite Marcasite Optic Character

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

Sardonyx and Pyrite Marcasite Transparency

Similar to their colors, Sardonyx and Pyrite 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, Sardonyx is Translucent while Sardonyx is Translucent in appearance.