One of the mysteries of the English language finally explained.
A metallic-gray mineral consisting chiefly of cobalt arsenide, typically occurring as cubic or octahedral crystals.
- ‘The primary ores of cobalt are cobaltite, erythrite, and smaltite.’
- ‘Associated minerals in the high-grade veins are calcite, ‘smaltite,’ nicoline, bismuth, and lesser pyrargyrite, proustite, acanthite, millerite, and chalcopyrite.’
- ‘Cobalt occurs in the mineral cobaltite, smaltite, and erythrite, and is often associated with nickel, silver, lead, copper, and iron ores, from which it is most frequently obtained as a by-product.’
- ‘Cobalt is found in the minerals cobaltite, smaltite and erythrite.’
- ‘It usually occurs in the form of a compound with its most common minerals being cobaltite, smaltite, chloranthite, and linnaeite.’
Mid 19th century: from smaltine (a rare word with the same sense) + -ite.
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