COBALTITE

cobaltite

(noun) a rare silvery-white mineral; important ore of cobalt

Source: WordNet® 3.1


Etymology

Noun

cobaltite (countable and uncountable, plural cobaltites)

(mineral) A rare gray mineral, a mixed sulfide and arsenide of cobalt and iron with the chemical formula CoAsS; it is an ore of cobalt.

Source: Wiktionary


Co"balt*ine, Co"balt*ite n. (Min.)

Definition: A mineral of a nearly silver-white color, composed of arsenic, sulphur, and cobalt.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

7 June 2025

PARSEC

(noun) a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years


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