1859 Cumengeite, Boleite, Amelia Mine, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico September 22, 2019 Steve Mexico North and Central Americas Six crystals/clusters, including a star formed by cumengite crystals epitaxially overgrown on boleite.
Mexico North and Central Americas 3172 Boleite, Gypsum, Amelia Mine, Baja California, Mexico October 3, 2019
Cornwall England United Kingdom ncat JP3201 Cumengeite, Paralaurionite, The Gannel Smelter slag locality, Crantock, Cornwall, England, UK October 8, 2019
Cornwall England United Kingdom ncat JP1686 Cumengeite, Gypsum, The Gannel Smelter slag locality, Crantock, Cornwall, England, UK October 8, 2019
Mexico North and Central Americas 4603 Boleite, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico October 5, 2019
