1316 Kidwellite, Beraunite, York No.2 Mine, Polk Co, Arkansas, USA September 22, 2019 Steve Arkansas North and Central Americas United States
Australasia Australia South Australia ncat JP Kidwellite, Strengite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia October 4, 2024
Alabama North and Central Americas United States ncat JP3536, Kidwellite, Cacoxenite, Indian Mountain, Cherokee Co., Alabama, USA September 23, 2019
