7171 JL3982 Cumengeite, Mount Malvern Mine, Clarendon, South Mt Lofty Ranges (Adelaide Hills), Mt Lofty Ranges, South Australia September 23, 2019 Steve Australasia Australia South Australia ex Joan Lamond Collection, ex Frank Robinson.
Mexico North and Central Americas 1859 Cumengeite, Boleite, Amelia Mine, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico September 22, 2019
Cornwall England United Kingdom ncat JP3201 Cumengeite, Paralaurionite, The Gannel Smelter slag locality, Crantock, Cornwall, England, UK October 8, 2019
Australasia Australia Tasmania 3481 Cumengeite, Penguin Silver Mine, Penguin, Tasmania October 3, 2019
Cornwall England United Kingdom ncat JP2319 Cumengeite, Cuddrabridge Mine (Guddrabridge Mine; Padstow Consols; Trevone Consols; Wheal Galway), Gunver Head, Padstow, Cornwall, England, UK October 8, 2019