Arsenopyrite from selected localities.
Portugal | |
| Notas sobre as minas de ouro da serra da Lousã, Alberto Cerveira, Boletim da Sociedade Geológica de Portugal. - Vol. VI, fasc. III, (1947), p. 245-254; https://edm.pt/en/mineira/escadia-grande/ |
| Artur Neves collection |
Rui Nunes and Artur Neves collections | |
| Rui Nunes 2011 |
Escádia Grande Mine, Alvares, Góis, Coimbra, Portugal