Chalcopyrite and Chlorapatite Optical Properties

Chalcopyrite

Chlorapatite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Weak to moderate; in pale colors.Anthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Handbook of mineralogy (2001)

Transparent

1.5 Refractive Index

Not Available1.665-1.667

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Handbook of mineralogy (2001)

Transparent

Chalcopyrite and Chlorapatite Optic Character

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

Similar to their colors, Chalcopyrite and Chlorapatite 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.