ncat JP347, Rockbridgeite, Bull Moose Mine (Bull Moose pegmatite; Bull Moose lodes), Custer, Custer District, Custer 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
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
Carolina North and Central Americas United States 4486 Rockbridgeite, Strunzite, Mangangordonite, Foote Mine, Kings Mountain, Cleveland Co., North Carolina, USA October 5, 2019
