4748 Cacoxenite, Strengite, Sitio do Castelo Mine (Folgosinho quarry), Folgosinho, Gouveia, Guarda District, Portugal October 5, 2019 Steve Europe Portugal Helmut Braith
Australasia Australia South Australia 7387 JL1699 Cacoxenite, Hick’s Quarry (Hick’s Iron Ore Quarry; Siberia Flux Quarry), Gladstone, South Flinders Ranges, Flinders Ranges, South Australia November 19, 2021
Australasia Australia South Australia 4350 JL3913 Dufrénite, Strengite, Klemms Quarry, Moculta, South Australia December 1, 2022
Alabama North and Central Americas United States 1403 Strengite, Indian Mountain, Cherokee Co, Alabama, USA January 10, 2022
Georgia (US) North and Central Americas United States 5563 Strengite, Girard, Girard District, Burke Co., Georgia, USA October 5, 2019
