Tags: Chemical Substance, Mineral.
Roaldite is a rare meteorite mineral containing iron nickel and nitrogen ((FeNi)4N). It was first described in 1981 for an occurrence in the Youngedin meteorite Avon Western Australia. It was named after Roald Norbach Nielsen (born 1928) a Danish expert in electron microprobe. The mineral has also been reported from the Jerslev meteorite Sjaelland Denmark and the Canyon Diablo meteorite of Meteor Crater in Arizona.