osmiridij
osmiridij
a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc. [trda in odporna proti koroziji mineralna zlitina, ki je naravne mešanice osmija in iridija (običajno vsebuje majhne količine rodija in platine); uporablja se v iglah in peresnikih, itd.]