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
4 October 2024
(noun) a collection of papers containing detailed information about a particular person or subject (usually a person’s record)
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