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
North and Central Americas South Dakota United States ncat JP348, Rockbridgeite, Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA September 23, 2019
New Hampshire North and Central Americas United States 3486 Whitlockite, Strunzite, Rockbridgeite, Palermo #1 Mine, North Groton, Grafton Co., New Hampshire, USA October 3, 2019