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UK | |
| Day, Harry (1999) BMS Database, British Micromount Society. |
| Day, Harry (1999) BMS Database, British Micromount Society. |
| Day, Harry (1999) BMS Database, British Micromount Society. |
| Day, Harry (1999) BMS Database, British Micromount Society. |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Fortey, N.J. (1978) Mineral parageneses of the Harding vein tungsten deposit, Carrock Fell mine, Cumbria. Mineralogy Unit Report 228, Institute of Geological Sciences. |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
| BMS Collection |
| www.alexstrekeisen.it (2014) http://www.alexstrekeisen.it/english/pluto/lugarite.php |