4137 Dufrenite, Stowes Shaft, Wheal Phoenix, Linkinhorne, Cornwall, England October 4, 2019 Steve Cornwall England United Kingdom Richard Bell 9/2005
Australasia Australia New South Wales ncat JP1616 Strengite, Jarosite, Dufrenite, Natrodufrenite, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales September 23, 2019
Australasia Australia South Australia 5154 JL1575 Dufrénite, Hicks Quarry, Gladstone, South Australia December 1, 2022
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
