platiniridium

== English == === Etymology === Blend of platinum +‎ iridium. === Noun === platiniridium (uncountable) (chemistry, mineralogy) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum. === Further reading === David Barthelmy (1997–2026), “Platiniridium”, in Webmineral Mineralogy Database. “platiniridium”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.