Chalcocite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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}.]
     [1913 Webster] Chalcographer



From WordNet (r) 2.0 [wn]:

  chalcocite
       n : a heavy gray mineral that is an ore of copper [syn: {copper
           glance}]