Min. [Named 1852, from Huel Towan in Cornwall: see -ITE1.] An obsolete synonym of CHALCOPYRITE.
1852. Brooke & Miller, Phillips Introd. Min., 182. Bornite occurs in beds and veins in the older rocks with towanite [etc.].
1878. Gurney, Crystallogr., 79. Towanite or Copper Pyrites is a double sulphide of copper and iron.