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UK | |
| Embrey, Peter G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42 (322) 169-177 doi:10.1180/minmag.1978.042.322.01 |
| Day, Harry (1999) BMS Database, British Micromount Society. Embrey, Peter G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42 (322) 169-177 doi:10.1180/minmag.1978.042.322.01 |
| 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 National Museum of Wales database |
Cannington Park Quarry, Cannington, Sedgemoor, Somerset, England, UK