ncat JP928, Marcasite, Mount Carroll Quarry, Mount Carroll, Carroll Co., Illinois, USA September 23, 2019 Steve Illinois North and Central Americas United States
North and Central Americas United States 0220 Marcasite, Galena, Tristate District, USA September 18, 2019
England Lancashire United Kingdom ncat JP2975 Marcasite, Anglezarke Mines, Chorley, Lancashire, England, UK October 8, 2019