ncat JP2043 Dufrenite, Les Montmins Mine (Ste Barbe vein), echassieres, ebreuil, Allier, Auvergne-Rhone-Alpes, France October 11, 2019 Steve Europe France
Australasia Australia Queensland ncat BDMAR01 M1416 Dufrénite, Milo Mine, 30km west of Cloncurry, Queensland November 30, 2022
Australasia Australia New South Wales 7446 JL2680 Strengite, Natrojarosite, Dufrenite, Kintore opencut, Broken Hill, New South Wales July 26, 2021
Cornwall England United Kingdom 4137 Dufrenite, Stowes Shaft, Wheal Phoenix, Linkinhorne, Cornwall, England October 4, 2019
