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 7266 JL1646 Dufrenite, Hicks Quarry, Gladstone, South Australia December 12, 2020
Europe France ncat JP2043 Dufrenite, Les Montmins Mine (Ste Barbe vein), echassieres, ebreuil, Allier, Auvergne-Rhone-Alpes, France October 11, 2019
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 4348 Dufrenite, Cyrilovite, Kidwellite, Iron Monarch Quarry, Iron Knob, South Australia October 5, 2019
