8038 Kidwellite, Block 14 opencut, Broken Hill, Yancowinna Co., New South Wales October 5, 2019 Steve Australasia Australia New South Wales ex Bernie and Margaret Day Collection
Alabama North and Central Americas United States 2178 Strengite, Cacoxenite, Kidwellite, Rockbridgeite, Vivianite, Indian Mountain, Cherokee Co, Alabama, USA March 23, 2018
Australasia Australia South Australia ncat VHD10, Cyrilovite, Strengite, Kidwellite, Iron Monarch Mine, Iron Knob, South Australia November 17, 2019
Arkansas North and Central Americas United States 1316 Kidwellite, Beraunite, York No.2 Mine, Polk Co, Arkansas, USA September 22, 2019
