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
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
Australasia Australia Victoria 1772 Rockbridgeite, Wycheproof Quarry, Wycheproof, Victoria September 22, 2019
Europe Germany 2225 Mitridatite, Rockbridgeite, Schoonerite, Hagendorf-Sud, Bavaria, Germany September 22, 2019
Australasia Australia Victoria 0762 Rockbridgeite, Wycheproof Quarry, Wycheproof, Victoria September 20, 2019
