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Afghanite
Afghanite

Pyrite Marcasite
Pyrite Marcasite



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Afghanite
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Pyrite Marcasite

Afghanite and Pyrite Marcasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Gemstones (2009)
Opaque
1.5 Refractive Index
1.523Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.006Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Opaque

Afghanite and Pyrite Marcasite Optic Character

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

Afghanite and Pyrite Marcasite Transparency

Similar to their colors, Afghanite 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, Afghanite is Gemstones (2009) and Transparent while Afghanite is Gemstones (2009) and Transparent in appearance.