4137 Dufrenite, Stowes Shaft, Wheal Phoenix, Linkinhorne, Cornwall, England October 4, 2019 Steve Cornwall England United Kingdom Richard Bell 9/2005
Australasia Australia Queensland ncat BDMAR01 M1416 Dufrénite, Milo Mine, 30km west of Cloncurry, Queensland November 30, 2022
Australasia Australia New South Wales 3998 Dufrenite, Beraunite, Libethenite, Corkite, Tsumebite, Block 14 Open Cut, South Mine, Broken Hill, New South Wales October 3, 2019
Cornwall England United Kingdom 4872 Dufrenite, Gunheath China Clay Pit, Stenalees, Treverbyn, St Austell District, Cornwall, England, UK October 5, 2019
