chalcocite, copper glance
(noun) a heavy grey mineral that is an ore of copper
Source: WordNet® 3.1
chalcocite (countable and uncountable, plural chalcocites)
(mineral) Cuprous sulfide, Cu2S, an important ore of copper.
• catecholic
Source: Wiktionary
Chal"co*cite, n. Etym: [Gr. (Min.)
Definition: Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster. [Formerly written chalcosine.]
Source: Webster’s Unabridged Dictionary 1913 Edition
3 May 2025
(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”
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