Orthoclase from selected localities.
Portugal | |
| |
Correia Neves, J.M. (1964): Contributions to Mineralogy and Petrology 10, 357-373. | |
| desescaut.jy@voila.fr |
Pedro Alves collection | |
Pedro Alves collection |
Portugal | |
| |
Correia Neves, J.M. (1964): Contributions to Mineralogy and Petrology 10, 357-373. | |
| desescaut.jy@voila.fr |
Pedro Alves collection | |
Pedro Alves collection |