1. (n.) A remedy or antidote for poison; theriaca.

2. (n.) Lead sulphide; the principal ore of lead. It is of a bluish gray color and metallic luster, and is cubic in crystallization and cleavage.

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