1931 Colusite, Pyrite, Colusa Mine, Silver Bow Co, Montana, USA September 22, 2019 Steve Montana North and Central Americas United States
Europe Italy 10033 Protochabourneite, Arsiccioite, Pyrite, Monte Arsiccio Mine, Sant’Anna di Stazzema, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy October 5, 2019
Mexico North and Central Americas 30067 Barite, Pyrite, Fluorite, Calcite, Level 4, El Solar Mine, Taxco de Alarcón, Mun. de Taxco, Guerrero, Mexico April 21, 2020
Kansas North and Central Americas United States 10021 Galena, Ballard Mine, Baxter Springs, Kansas, USA March 23, 2018
