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chalcopyrite

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
chal·co·py·rite  (klk-prt)
n.
A yellow mineral, essentially CuFeS2, that is an important ore of copper. Also called copper pyrites.

[New Latin chalcopyrites : Greek khalkos, copper + pyrites.]

chalcopyrite  (klk-prt)
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.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.chalcopyritechalcopyrite - a yellow copper ore (CuFeS2) made up of copper and iron sulfide
atomic number 29, copper, Cu - a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition


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? Mentioned in ? References in periodicals archive
 
The partners expect the annual production of electrolytic copper to be approximately 70,000 tons from the new facilities, and it will replace an expected decline in Morenci's heap leach output later this decade with the increased ration of chalcopyrite ores which are difficult to be processed at the existing complex.
Highly anomalous numbers of chalcopyrite grains, an important ore mineral for copper, were recovered from samples collected on one of the major rivers in the Coral Rapids area.
Scientists prepare extremely thin films of chalcopyrite and layer them to build semiconductors.
 
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