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UK | |
| Livingstone, A., Macpherson, H. G. (1983) Fifth supplementary list of British minerals (Scottish) Mineralogical Magazine, 47 (342) 99-105 doi:10.1180/minmag.1983.047.342.23 Battey, M.H. and Moss, A.A. (1962) Powellite from Traprain Law, Haddingtonshire, Scotland. Mineralogical Magazine, vol. 33, n° 257, p. 158-161. MacGregor, A.G. (1922) Geol. Mag. 59, 516. |
- North, West and Central Sutherland
| Tilley, C. E. (1958). Some new chemical data on assemblages of the Assynt Alkali Suite. Transactions of the Edinburgh Geological Society, 17(2), 156-164. doi.org/10.1144/transed.17.2.156 Shand, S. J. (1910). On borolanite and its associates in Assynt. Transactions of the Edinburgh Geological Society, 9, 202-215 (preliminary communication), 376-419 (second communication). doi.org/10.1144/transed.9.3.202 |