Definitions for: Chalcocite

[n] a heavy gray mineral that is an ore of copper

Webster (1913) Definition: Chal"co*cite, n. [Gr. chalko`s brass.] (Min.)
Native copper sulphide, called also copper glance, and
vitreous copper; a mineral of a black color and metallic
luster. [Formerly written chalcosine.]

Synonyms: copper glance

See Also: atomic number 29, copper, Cu, mineral