ncat JP928, Marcasite, Mount Carroll Quarry, Mount Carroll, Carroll Co., Illinois, USA September 23, 2019 Steve Illinois North and Central Americas United States
Canada North and Central Americas 1243 Dawsonite, Fluorite, Strontianite, Marcasite, Francon Quarry, Montreal, Quebec, Canada September 22, 2019
England Lancashire United Kingdom ncat JP2975 Marcasite, Anglezarke Mines, Chorley, Lancashire, England, UK October 8, 2019
Australasia Australia Western Australia 3154 Sphalerite, Galena, Marcasite, Cadjebut Mine, Fitzroy Crossing, Western Australia October 3, 2019
Australasia Australia New South Wales 5173 Marcasite, Dolomite, Great Cobar Mine, Cobar, New South Wales September 29, 2019
