3091 Marcasite, Allens Workings, Mt Bischoff, Waratah, Tasmania October 3, 2019 Steve Australasia Australia Tasmania May be pyrite
Africa Egypt 5083 Goethite, Marcasite, White Desert, Farafra Oasis, near border with Libya, Egypt September 29, 2019
Australasia Australia Western Australia 0218 Galena, Marcasite, Cadjebut Mine, Kimberleys, Western Australia September 18, 2019
Illinois North and Central Americas United States ncat JP928, Marcasite, Mount Carroll Quarry, Mount Carroll, Carroll Co., Illinois, USA September 23, 2019