Chalcopyrite and Hematite Optical Properties

Chalcopyrite

Hematite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

AbsentWalter Schumann

O = brownish red; E = yellowish red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Handbook of mineralogy (2001)

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

1.5 Refractive Index

Not Available2.690-3.220

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Trigonal

1.8 Birefringence

Not Available0.280

0 0.296

1.9 Clarity

Handbook of mineralogy (2001)

OpaqueHerve Nicolas Lazzarelli

Chalcopyrite and Hematite Optic Character

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

Similar to their colors, Chalcopyrite and Hematite 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, Chalcopyrite is Handbook of mineralogy (2001) while Chalcopyrite is Handbook of mineralogy (2001) in appearance.