Calcite from Carn Brea, Cornwall, England, UK
UK | |
| Paul De Bondt collection |
| Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London. |
UK | |
| Paul De Bondt collection |
| Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London. |