ncat JP348, Rockbridgeite, Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA September 23, 2019 Steve North and Central Americas South Dakota United States Jack Nelson Collection
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 7166 JL2237, Strengite, Cacoxenite, Kidwellite, Rockbridgeite, Variscite, Indian Mountain, Cherokee Co., Alabama, USA September 23, 2019
Europe Germany 2225 Mitridatite, Rockbridgeite, Schoonerite, Hagendorf-Sud, Bavaria, Germany September 22, 2019
