cobaltite

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

/ koʊˈbɔl taɪt, ˈkoʊ bɔlˌtaɪt /

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noun

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.

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Origin of cobaltite

First recorded in 1865–70; cobalt + -ite¹

Words nearby cobaltite

cobalt bloom, cobalt blue, cobalt bomb, cobalt green, cobaltic, cobaltite, cobaltous, cobaltous hydroxide, cobalt violet deep, cobalt violet light, cobalt yellow

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use cobaltite in a sentence

What should be the percentage composition of pure cobaltite, its formula being CoAsS?
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
Massive cobaltite has been found in small amount in the Botallack mine, Cornwall.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5|Various

British Dictionary definitions for cobaltite

cobaltite

cobaltine (ˈkəʊbɔːlˌtiːn, -tɪn)

/ (kəʊˈbɔːltaɪt, ˈkəʊbɔːlˌtaɪt) /

noun

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

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