iridosmine

noun

ir·​id·​os·​mine ˌir-ə-ˈdäz-ˌmēn 

: a mineral that is a native iridium osmium alloy usually containing some rhodium and platinum

Word History

Etymology

borrowed from German Iridosmin, from Iridium iridium + Osmium osmium + -in -ine entry 2

Note: Named by the German mineralogist August Breithaupt (1791-1873) in "Mineralogische Untersuchung des russischen Platinsandes," Annalen der Physik, Band 84 (1826), pp. 500-05.

First Known Use

1827, in the meaning defined above