La Osera Mine, Cerro de La Osera, Galapagar, Community of Madrid, Spain
Mottramite alteration crust, sometimes pseudomorph after submillimetric vanadinite crystals. Collection of Museo Geominero (Madrid, Spain). Specimen key 132803.
Chrysocolla covering the host rock of this vein. Collection of Museo Geominero (Madrid, Spain). Specimen key 13277.
La Osera Mine