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 0004 Chrysocolla, Boleite, Pseudoboleite, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico September 18, 2019
Cornwall England United Kingdom ncat JP2285 Cumengeite, Phosgenite, 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
