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chalcocite

[ kal-kuh-sahyt ]
/ ˈkæl kəˌsaɪt /
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noun

a common mineral, cuprous sulfide, Cu2S: an important ore of copper.

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Origin of chalcocite

1865–70; irregular chalco- + (anthra)cite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use chalcocite in a sentence

British Dictionary definitions for chalcocite

chalcocite
/ (ˈkælkəˌsaɪt) /

noun

a lead-grey or black mineral, found as a copper ore or in veins. It is a source of copper. Composition: copper sulphide. Formula: Cu 2 S. Crystal structure: orthorhombic

Word Origin for chalcocite

C19: changed from earlier chalcosine, from Greek khalkos copper + -ite 1
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
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