4872 Dufrenite, Gunheath China Clay Pit, Stenalees, Treverbyn, St Austell District, Cornwall, England, UK October 5, 2019 Steve Cornwall England United Kingdom Richard Bell
Australasia Australia New South Wales ncat JP1616 Strengite, Jarosite, Dufrenite, Natrodufrenite, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales September 23, 2019
Cornwall England United Kingdom 4137 Dufrenite, Stowes Shaft, Wheal Phoenix, Linkinhorne, Cornwall, England October 4, 2019
Europe France ncat JP2043 Dufrenite, Les Montmins Mine (Ste Barbe vein), echassieres, ebreuil, Allier, Auvergne-Rhone-Alpes, France October 11, 2019
Australasia Australia Queensland ncat BDMAR01 M1416 Dufrénite, Milo Mine, 30km west of Cloncurry, Queensland November 30, 2022
