1931 Colusite, Pyrite, Colusa Mine, Silver Bow Co, Montana, USA September 22, 2019 Steve Montana North and Central Americas United States
Missouri North and Central Americas United States 1249 Pyrite after Anhydrite, Miliken Mine, Viburnum Trend, Reynolds Co, Missouri, USA September 22, 2019
Colorado North and Central Americas United States 4746 Pyrite, Pyroxmangite, Sunnyside Mine, Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USA October 5, 2019
