Crossword clue: a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

The most common answer is iridium (7 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

iridium 7 letters wn-def

a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium