ncat JP768 Kidwellite, Cyrilovite after Strengite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia September 23, 2019 Steve Australasia Australia South Australia
Alabama North and Central Americas United States ncat JP3661, Strengite, Kidwellite, Indian Mountain, Cherokee Co., Alabama, USA September 23, 2019
Arkansas North and Central Americas United States 1316 Kidwellite, Beraunite, York No.2 Mine, Polk Co, Arkansas, USA September 22, 2019
Australasia Australia New South Wales 2621 Kidwellite, Tsumebite, Dufrenite, Block 14 Open Cut, South Mine, Broken Hill, New South Wales October 3, 2024
Australasia Australia South Australia ncat JP Kidwellite, Strengite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia October 4, 2024
