North and Central Americas South Dakota United States ncat JP348, Rockbridgeite, Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA September 23, 2019
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
Europe Germany 2225 Mitridatite, Rockbridgeite, Schoonerite, Hagendorf-Sud, Bavaria, Germany September 22, 2019
