4553 Marcasite, Franklin, New Jersey, USA October 5, 2019 Steve New Jersey North and Central Americas United States
Canada North and Central Americas 30088 Pyrite, Marcasite, Calcite, Nanisivik Mine, Nanisivik, Baffin Island, Canada April 28, 2020
Australasia Australia New South Wales 5173 Marcasite, Dolomite, Great Cobar Mine, Cobar, New South Wales September 29, 2019
Canada North and Central Americas ncat JP1257 Dawsonite, Fluorite, Marcasite, Francon quarry, Montreal, Quebec, Canada October 11, 2019
