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UK | |
| Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro. 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. |
| Reid, C., Flett, J.S., Wilkinson, B.S.N., Dixon, E.E.L., Pollard, W., and MacAlister, D.A. (1907): The Geology of the Land's End District. HMSO Publications (London), p. 106. Carne, J. (1822) On the relative age of the veins of Cornwall. Transactions of the Royal Geological Society of Cornwall, 2. 49-128 |
| Collection Richard De Nul |
| Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro. |
| P Haas (collected 2002) |
| Betterton, J. (2000) Famous Mineral Localities: Penberthy Croft Mine, St. Hilary, Cornwall, England. UK Journal of Mines and Minerals 20, Rockbottom Publications. 7-37 |
| 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. Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro. Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.) |
| A.K. Hamilton Jenkin: Annotations to Ordnance Survey map, Sheet 69SW |
| Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro. Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.) |
Penberthy Croft Mine, St Hilary, Cornwall, England, UK