3486 Whitlockite, Strunzite, Rockbridgeite, Palermo #1 Mine, North Groton, Grafton Co., New Hampshire, USA October 3, 2019 Steve New Hampshire North and Central Americas United States
North and Central Americas South Dakota United States 4493 Rockbridgeite, Jahnsite-(CaMnFe), Tip Top Mine, Fourmile, Custer Co., South Dakota, USA October 5, 2019
Alabama North and Central Americas United States 2178 Strengite, Cacoxenite, Kidwellite, Rockbridgeite, Vivianite, Indian Mountain, Cherokee Co, Alabama, USA March 23, 2018
Cornwall England United Kingdom ncat JP1660 Beraunite, Rockbridgeite, Gravel Hill Mine (Cliff Iron Mine; Penhale Iron Mine), Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK October 8, 2019
Europe Germany 2225 Mitridatite, Rockbridgeite, Schoonerite, Hagendorf-Sud, Bavaria, Germany September 22, 2019