Iowa North and Central Americas United States ncat JP2475, Calcite, Pyrite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019
Cornwall England United Kingdom 5453 Pyrite, Penberthy Croft Mine, St Hilary, Cornwall, England October 2, 2019
Australasia Australia Tasmania ncat VHD11, Pyrite, Mount Bischoff, Waratah, Tasmania November 17, 2019
