4493 Rockbridgeite, Jahnsite-(CaMnFe), Tip Top Mine, Fourmile, Custer Co., South Dakota, USA October 5, 2019 Steve North and Central Americas South Dakota United States Jim Ferraiolo
North and Central Americas South Dakota United States ncat JP347, Rockbridgeite, Bull Moose Mine (Bull Moose pegmatite; Bull Moose lodes), Custer, Custer District, Custer Co., South Dakota, USA September 23, 2019
Europe Germany 2226 Laueite, Mitridatite, Rockbridgeite, Hagendorf-Sud, Bavaria, Germany September 22, 2019
Alabama North and Central Americas United States 7166 JL2237, Strengite, Cacoxenite, Kidwellite, Rockbridgeite, Variscite, Indian Mountain, Cherokee Co., Alabama, USA September 23, 2019