ncat JP3661, Strengite, Kidwellite, Indian Mountain, Cherokee Co., Alabama, USA September 23, 2019 Steve Alabama North and Central Americas United States
Belgium Europe ncat JP0278 Strengite, Strunzite, Beraunite, Mont-des-Groseillers, Blaton, Mons, Hainaut Province (Henegouwen; Hennegau), Belgium October 8, 2019
Arkansas North and Central Americas United States 6005 Kidwellite, Beraunite, Coon Creek Mine, Shady, Polk Co., Arkansas, USA October 2, 2019
Australasia Australia South Australia ncat JP Kidwellite, Strengite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia October 4, 2024
Australasia Australia South Australia 4350 JL3913 Dufrénite, Strengite, Klemms Quarry, Moculta, South Australia December 1, 2022
