1931 Colusite, Pyrite, Colusa Mine, Silver Bow Co, Montana, USA September 22, 2019 Steve Montana North and Central Americas United States
Europe Switzerland 1806 Pyrite, Dolomite, Lengenbach Quarry, Kanton Wallis, Switzerland September 22, 2019
Cornwall England United Kingdom 5453 Pyrite, Penberthy Croft Mine, St Hilary, Cornwall, England October 2, 2019
