Georgia (US) North and Central Americas United States 5569 Rockbridgeite, Cacoxenite, Girard, Girard District, Burke Co., Georgia, USA October 5, 2019
New Hampshire North and Central Americas United States 4532 Rockbridgeite, Mitridatite, Laueite, Palermo #1 Mine, North Groton, Grafton Co., New Hampshire, USA October 5, 2019
Europe Germany 2226 Laueite, Mitridatite, Rockbridgeite, Hagendorf-Sud, Bavaria, Germany September 22, 2019
Europe Germany 2219 Stewartite, Strunzite, Rockbridgeite, Mitridatite, Hagendorf-Sud, Bavaria, Germany September 22, 2019
