Australasia Australia New South Wales 8038 Kidwellite, Block 14 opencut, Broken Hill, Yancowinna Co., New South Wales October 5, 2019
Arkansas North and Central Americas United States ncat VHD7, Kidwellite, Beraunite, Coon Creek Mine, Polk Co., Arkansas, USA November 17, 2019
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