Assertion: iridium | /r/AtLocation | natural alloys
Facets:
value: with osmium
type: OTHER
value: as an uncombined element
type: MANNER
Source sentences:
text: Iridium is found in nature as an uncombined element or in natural alloys; especially the iridium–osmium alloys, osmiridium (osmium-rich), and iridosmium (iridium-rich).
text: Iridium is found in natural alloys with platinum and osmium in alluvial deposits.