4748 Cacoxenite, Strengite, Sitio do Castelo Mine (Folgosinho quarry), Folgosinho, Gouveia, Guarda District, Portugal October 5, 2019 Steve Europe Portugal Helmut Braith
Alabama North and Central Americas United States 1403 Strengite, Indian Mountain, Cherokee Co, Alabama, USA January 10, 2022
Australasia Australia New South Wales ncat JP1804 Tsumebite, Libethenite, Strengite, Block 14 opencut, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales September 23, 2019
Australasia Australia Victoria 4268 Cacoxenite, Gravel Hill Quarry, Dookie, Victoria November 19, 2021
Europe France 4566 Strengite, Quartz, Le Mazet vein, Echassieres, Ebreuil, Allier, Auvergne, France October 5, 2019
