ncat JP2975 Marcasite, Anglezarke Mines, Chorley, Lancashire, England, UK October 8, 2019 Steve England Lancashire United Kingdom
Illinois North and Central Americas United States ncat JP928, Marcasite, Mount Carroll Quarry, Mount Carroll, Carroll Co., Illinois, USA September 23, 2019
Australasia Australia Tasmania 1730 Marcasite, Fluorite, Mt Bischoff, Waratah, Tasmania September 22, 2019
Australasia Australia Western Australia 0218 Galena, Marcasite, Cadjebut Mine, Kimberleys, Western Australia September 18, 2019