3649 Dufrenite, Les Montmins-Echassieres, Allier, Auvergne, France October 3, 2019 Steve Europe France
Cornwall England United Kingdom 4137 Dufrenite, Stowes Shaft, Wheal Phoenix, Linkinhorne, Cornwall, England October 4, 2019
Australasia Australia Queensland ncat BDMAR01 M1416 Dufrénite, Milo Mine, 30km west of Cloncurry, Queensland November 30, 2022
Cornwall England United Kingdom 4872 Dufrenite, Gunheath China Clay Pit, Stenalees, Treverbyn, St Austell District, Cornwall, England, UK October 5, 2019
Australasia Australia New South Wales ncat JP1616 Strengite, Jarosite, Dufrenite, Natrodufrenite, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales September 23, 2019
