chalcocite

noun
chal·co·cite | \ˈkal-kə-ˌsīt \

Definition of chalcocite 

: a black or gray lustrous metallic mineral that consists of a sulfide of copper and is an important copper ore

Examples of chalcocite in a Sentence

Recent Examples on the Web

Materials like the copper ore mineral chalcocite and fool's gold, pyrite, are sulfidic anions. David Grossman, Popular Mechanics, "Sulfuric Volcanoes May Have Quickened Life on Earth," 9 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chalcocite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of chalcocite

1868, in the meaning defined above

History and Etymology for chalcocite

alteration of chalcosine, from French, irregular from Greek chalkos

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The first known use of chalcocite was in 1868

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