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

What should be the percentage composition of pure cobaltite, its formula being CoAsS?

From Project Gutenberg

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

From Project Gutenberg