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covellite

American

[koh-vel-ahyt, koh-vuh-lahyt] / koʊˈvɛl aɪt, ˈkoʊ vəˌlaɪt /

noun

a mineral, copper sulfide, CuS, indigo in color and usually occurring as a massive coating on other copper minerals.

Etymology

Origin of covellite

1840–50; named after Nicolò Covelli (1790–1829), Italian mineralogist who found it; see -ite ¹

Example Sentences

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covellite

Copper-glance readily alters to other minerals, such as malachite, covellite, melaconite and chalcopyrite.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" by Various

Cupric sulphide, CuS, occurs in nature as the mineral covellite.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023