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
Brazil South America ncat JP3046 Hureaulite, Rockbridgeite, Jocao pegmatite (Cigana claim), Conselheiro Pena, Minas Gerais, Brazil October 11, 2019
Carolina North and Central Americas United States 4042 Earlshannonite, Rockbridgeite, Foote Mine, Kings Mountain, Cleveland Co., North Carolina, USA October 4, 2019
New Hampshire North and Central Americas United States 4633 Whitmoreite, Strunzite, Rockbridgeite, Siderite, Palermo No. 1 Mine, Groton, Grafton Co., New Hampshire, USA October 5, 2019
