- a very common mineral, copper iron sulfide, CuFeS2, occurring in brass-yellow crystals or masses: the most important ore of copper; copper pyrites.
Origin of chalcopyrite
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Examples from the Web for chalcopyrite
Differs from chalcopyrite by paler color and much greater hardness.Geology
William J. Miller
Chalcopyrite, from near Leesburg, said to be a promising vein.
Chalcopyrite is of wide distribution and is the commonest of the ores of copper.
Next to chalcopyrite, copper-glance is the most important ore of copper.
Copper-glance readily alters to other minerals, such as malachite, covellite, melaconite and chalcopyrite.
- a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS 2Also called: copper pyrites
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A brassy yellow, metallic, tetragonal mineral, usually occurring as shapeless masses of grains. Chalcopyrite is found in igneous rocks and copper-rich shales, and it is an important ore of copper. Because of its shiny look and often yellow color, it is sometimes mistaken for gold, and for this reason it is also called fool's gold. Chemical formula: CuFeS2.
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