Min. [Named by Haidinger in honor of Count Caspar Sternberg: see -ITE.] A native sulphide of silver and iron, occurring in brown flexible laminæ with metallic luster.
1826. Haidinger, in Edin. Jrnl. Sci. (1827), VII. 242.
1850. Ansted, Elem. Geol., Min., etc., 226. Sternbergite, Sulphuret of silver and iron (Ag S2 + 4 FS).