(n.) A mineral of a tin-white color and metallic luster, containing arsenic, sulphur, and iron; -- also called arsenical pyrites and mispickel.

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