chalcopyrite

[ kal-kuh-pahy-rahyt ]

/ ˌkæl kəˈpaɪ raɪt /

noun

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

First recorded in 1825–35; chalco- + pyrite

Words nearby chalcopyrite

chalcogenide, chalcography, chalcolite, Chalcolithic, chalcophile, chalcopyrite, chalcosis, chalcostibite, chalcotrichite, Chald., Chaldaic

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for chalcopyrite

Later still experiments were made with other metallic-looking ores, such as chalcopyrite, and the metal age had come.
The Bronze Age and the Celtic World|Harold Peake
Both chalcocite and chalcopyrite frequently occur in silver-bearing rocks.
Birds and all Nature Vol VII, No. 3, March 1900|Various
Copper-glance readily alters to other minerals, such as malachite, covellite, melaconite and chalcopyrite.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3|Various
The cobalt ores at these localities occur with pyrites and chalcopyrite as bands in gneiss.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5|Various

If chalcopyrite (copper-iron sulphide) is present the spots may be bright green in colour.
The Natural History of Clay|Alfred B. Searle

British Dictionary definitions for chalcopyrite

chalcopyrite

/ (ˌkælkəˈpaɪraɪt, -ˈpaɪə-) /

noun

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

Scientific definitions for chalcopyrite

chalcopyrite

[ kăl′kə-pī′rīt′ ]

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.

单词	chalcopyrite
释义	chalcopyrite [ kal-kuh-pahy-rahyt ] / ˌkæl kəˈpaɪ raɪt / noun 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 First recorded in 1825–35; chalco- + pyrite Words nearby chalcopyrite chalcogenide, chalcography, chalcolite, Chalcolithic, chalcophile, chalcopyrite, chalcosis, chalcostibite, chalcotrichite, Chald., Chaldaic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for chalcopyrite Later still experiments were made with other metallic-looking ores, such as chalcopyrite, and the metal age had come. The Bronze Age and the Celtic World\|Harold Peake Both chalcocite and chalcopyrite frequently occur in silver-bearing rocks. Birds and all Nature Vol VII, No. 3, March 1900\|Various Copper-glance readily alters to other minerals, such as malachite, covellite, melaconite and chalcopyrite. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3\|Various The cobalt ores at these localities occur with pyrites and chalcopyrite as bands in gneiss. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5\|Various If chalcopyrite (copper-iron sulphide) is present the spots may be bright green in colour. The Natural History of Clay\|Alfred B. Searle British Dictionary definitions for chalcopyrite chalcopyrite / (ˌkælkəˈpaɪraɪt, -ˈpaɪə-) / noun 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 Scientific definitions for chalcopyrite chalcopyrite [ kăl′kə-pī′rīt′ ] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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