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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. |
| Carne, J. (1822) On the Mineral Productions and the Geology of the Parish of St. Just. Transactions of the Royal Geological Society of Cornwall, 2. 290-358 |
| 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. 101 |
| Ex .C Smith collection. Geevor geologist. |
| [var. Fire Opal] Carne, J. (1822) On the relative age of the veins of Cornwall. Transactions of the Royal Geological Society of Cornwall, 2. 49-128 |
| Carne, J. (1822) On the Mineral Productions and the Geology of the Parish of St. Just. Transactions of the Royal Geological Society of Cornwall, 2. 290-358 |
Botallack Mine, Botallack, St Just, Cornwall, England, UK