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Boleite: KPb26Ag9Cu24Cl62(OH)48
Comments: Floater crystal of deep, inky blue boleite with interpenetration twinning. Location: Amelia Mine, Santa Rosalia, Baja California, Mexico. Scale: 0.7 cm. © John Veevaert
Boleite: KPb26Ag9Cu24Cl62(OH)48 Cumengite: Cu20Pb21Cl42(OH)40·6H2O
Comments: Inky blue cumengite "sixling" epitaxially overgrown on boleite. Location: Amelia mine, Santa Rosalia, Baja California Sur, Mexico. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals