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UK | |
| Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. Kingsbury, Arthur W. G. (1958) Two beryllium minerals new to Britain: euclase and herderite. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (240). 815-817 doi:10.1180/minmag.1958.031.240.10 |
| Kingsbury, Arthur W. G. (1958) Two beryllium minerals new to Britain: euclase and herderite. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (240). 815-817 doi:10.1180/minmag.1958.031.240.10 |
| Kingsbury, Arthur W. G. (1958) Two beryllium minerals new to Britain: euclase and herderite. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (240). 815-817 doi:10.1180/minmag.1958.031.240.10 |
| von Knorring, O., and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, vol. 48, n° 348, 443-448. |