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UK | |
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| Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. |
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| Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. |
| Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. |
- Derbyshire Dales District
| Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55 |
| Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55 |
- North East Derbyshire District
| Day, Harry (1999) BMS Database, British Micromount Society. Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55 |
| Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55 |
| Grguric, B. A., Nickel, E. H. (2006) Acicular Wurtzite and Sphalerite from the Lockridge Mine, Bere Alston, Devon. UK Journal of Mines and Minerals 27, 39-40 |
| Collection Richard De Nul |
| Cotterell, T. F., Green, D. I., Hubbard, N., Mason, J. S., Starkey, R. E., Tindle, A. G. (2011) The Mineralogy of Dolyhir Quarry, Old Radnor, Powys, Wales. UK Journal of Mines and Minerals 32, 5-61 |
Penberthy Croft Mine, St Hilary, Cornwall, England, UK