Arkansas North and Central Americas United States 1316 Kidwellite, Beraunite, York No.2 Mine, Polk Co, Arkansas, USA September 22, 2019
Australasia Australia South Australia 0277 Kidwellite, Cyrilovite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia October 3, 2024
Australasia Australia South Australia ncat JP768 Kidwellite, Cyrilovite after Strengite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia September 23, 2019
Alabama North and Central Americas United States 5554 Kidwellite, Indian Mountain, Cherokee Co., Alabama, USA March 23, 2018
