Min. [Named by Haidinger after Fr. Stromeyer: see prec. and -ITE.] Sulphide of silver and copper, of steel-gray color and metallic luster.
1835. Shepard, Min., II. II. 211.
1849. J. Nicol, Man. Min., 473.
1854. Dana, Syst. Min. (ed. 4), II. 48.