Illinois North and Central Americas United States ncat JP928, Marcasite, Mount Carroll Quarry, Mount Carroll, Carroll Co., Illinois, USA September 23, 2019
Australasia Australia Western Australia 0218 Galena, Marcasite, Cadjebut Mine, Kimberleys, Western Australia September 18, 2019
Australasia Australia Tasmania 1730 Marcasite, Fluorite, Mt Bischoff, Waratah, Tasmania September 22, 2019
