4553 Marcasite, Franklin, New Jersey, USA October 5, 2019 Steve New Jersey North and Central Americas United States
Illinois North and Central Americas United States 20038 Calcite, Pyrite, Marcasite, Conco Mine, North Aurora, Kane Co., Illinois, USA October 27, 2019
North and Central Americas United States 0220 Marcasite, Galena, Tristate District, USA September 18, 2019
Australasia Australia Tasmania 3091 Marcasite, Allens Workings, Mt Bischoff, Waratah, Tasmania October 3, 2019