Telhadela Mine, Ribeira de Fráguas, Albergaria-a-velha, Aveiro, Portugal
Alunite and antimonite from Talhadela mine. Specimen in the collection of Museu Geológio de Lisboa. The estimated fov is 15 cm. Rui Nunes' photo, 2009.
© Rui Nunes 2009
Malachite with a strange habit (some kind of pseudomorphosis?).
© Pedro Alves