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 Queensland ncat BDMAR01 M1416 Dufrénite, Milo Mine, 30km west of Cloncurry, Queensland November 30, 2022
Europe France ncat JP2043 Dufrenite, Les Montmins Mine (Ste Barbe vein), echassieres, ebreuil, Allier, Auvergne-Rhone-Alpes, France October 11, 2019
