sternbergite Min.
(ˈstɜːnbɜːgaɪt)
[Named by Haidinger in honour of Count Caspar Sternberg: see -ite.]
A native sulphide of silver and iron, occurring in brown flexible laminæ with metallic lustre.
| 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). |