4137 Dufrenite, Stowes Shaft, Wheal Phoenix, Linkinhorne, Cornwall, England October 4, 2019 Steve Cornwall England United Kingdom Richard Bell 9/2005
Australasia Australia South Australia 5154 JL1575 Dufrénite, Hicks Quarry, Gladstone, South Australia December 1, 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 4872 Dufrenite, Gunheath China Clay Pit, Stenalees, Treverbyn, St Austell District, Cornwall, England, UK October 5, 2019
