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 Type Locality 0022 Boleite, Pseudoboleite, Boleo District, Santa RosalĂa, MulegĂ© Municipality, Baja California Sur, Mexico December 9, 2021
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
Cornwall England United Kingdom 4462 Cumengeite, Penpol Lead Smelter, Point, Penpol, Cornwall, England October 5, 2019
