cobaltite

[koh-bawl-tahyt, koh-bawl-tahyt]

noun

1. a mineral, cobalt arsenic sulfide, CoAsS, silver-white with a reddish tinge: an end member of a series of solid solutions that includes gersdorffite; used as an ore of cobalt.

cobaltite

/ -tɪn, ˈkəʊbɔːlˌtaɪt, ˈkəʊbɔːlˌtiːn, kəʊˈbɔːltaɪt /

noun

1. a rare silvery-white mineral consisting of cobalt arsenic sulphide in cubic crystalline form: a major ore of cobalt, used in ceramics. Formula: CoAsS

Word History and Origins

Origin of cobaltite¹

First recorded in 1865–70; cobalt + -ite ¹

Example Sentences

Massive cobaltite has been found in small amount in the Botallack mine, Cornwall.

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Its chief ores are smaltite and cobaltite, which are arsenides of cobalt, with more or less iron, nickel, and copper.

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