Manganese Dendrites from
Portugal | |
| António Martins collection |
| Rui Nunes' collection |
| Martins da Pedra collection |
| Martins da Pedra collection |
Portugal | |
| António Martins collection |
| Rui Nunes' collection |
| Martins da Pedra collection |
| Martins da Pedra collection |
Lagartinho quarry, Santiago do Cacém, Santiago do Cacém, Santa Cruz e São Bartolomeu da Serra, Santiago do Cacém, Setúbal, Portugal