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UK | |
| Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London. |
| Embrey, Peter G., Symes, Robert F. (1987) Minerals of Cornwall and Devon. British Museum (Natural History) and the Mineralogical Record, Inc., London and Tucson, AZ. |
| [var. Achroite] Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. Collins, J.H. (1876): Mineralogical Magazine 1, 55 |
| Collection Richard De Nul |
| Dale Foster Collection |
| Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London. |
| Charles Smith Collection material, now held in Dale Foster Collection |
- Boswedden Mine (incl. Wheal Praze; Wheal Williams; Yankee Boy Mine)
| Charles Smith Collection material, now held in Dale Foster Collection |
| Paul De Bondt collection |
| Paul Oldfield collection |
| Bernie Millington |
| Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London. |
| Mineralogical Magazine 1965 34 : 159-176. |
| Darnley, A. G., English, T. H., Sprake, O., Preece, T. H., & Avery, D. (1965). Ages of uraninite and coffinite from south-west England. Mineral. Mag, 34, 159-176. |
Wheal Drea, Botallack, St Just, Cornwall, England, UK