Hypertext Webster Gateway: "Chalcocite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Chalcocite \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}.]
From WordNet (r) 1.7 (wn)
chalcocite
n : a heavy gray mineral that is an ore of copper [syn: {copper
glance}]
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