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Omphacite
Omphacite

Chalcopyrite
Chalcopyrite



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Omphacite and Chalcopyrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Weak: colorless -- very pale green -- very pale green
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)
Handbook of mineralogy (2001)
1.5 Refractive Index
1.662-1.723
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
TranslucentAnthony et al
Handbook of mineralogy (2001)

Omphacite and Chalcopyrite Optic Character

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

Omphacite and Chalcopyrite Transparency

Similar to their colors, Omphacite and Chalcopyrite 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, Omphacite is Handbook of mineralogy (2001) and TranslucentAnthony et al while Omphacite is Handbook of mineralogy (2001) and TranslucentAnthony et al in appearance.