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UK | |
| Rudler, F. W. (1905) A Handbook to a Collection of the Minerals of the British Isles - Mostly selected from the Ludlam Collection, in the Museum of Practical Geology. 253pp. |
| Observed, Jan 2008 |
| collected Sept, 2007 |
| Stanley, C. J., Criddle, A. J., Lloyd, D. (1990) Precious and base metal selenide mineralization at Hope's Nose, Torquay, Devon. Mineralogical Magazine, 54 (376) 485-493 doi:10.1180/minmag.1990.054.376.13 |
| Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.) |
| Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford, London. |
| Collection Richard De Nul |
| Collection Richard De Nul |
| Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford, London. |
| Virginia Maine collection |
| Virginia Maine collection |
| Collection Richard De Nul |
| |
South Tamar Consols, Bere Alston Mines, Bere Ferrers, West Devon, Devon, England, UK