(n.) Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster.

argentite arsenopyrite bauxite chalcocite cinnabar crude galena iron ore ironstone limonite lodestone magnetite mineral mineral-bearing material mispickel pyrite raw material rich ore rich vein rough diamond siderite stibnite unanalyzed mass unlicked cub untreated mineral virgin soil