4872 Dufrenite, Gunheath China Clay Pit, Stenalees, Treverbyn, St Austell District, Cornwall, England, UK October 5, 2019 Steve Cornwall England United Kingdom Richard Bell
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
Australasia Australia South Australia 4348 Dufrenite, Cyrilovite, Kidwellite, Iron Monarch Quarry, Iron Knob, South Australia October 5, 2019
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
