The story
Named after Canadian geologist with the Geological Survey of Canada, John Johnston O'Neill (1886–1966), + -ite.
Etymology from Wiktionary, CC BY-SA 4.0.
oneillite
Today it means: A trigonal-pyramidal yellowish brown mineral containing calcium, chlorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and zirconium. Full definition →