Åkermanite from selected localities.
||P. A. Sabine, M. T. Styles and B. R. Young (1985) The Nature and Paragenesis of Natural Bredigite and Associated Minerals from Carneal and Scawt Hill, Co. Antrim. Mineralogical Magazine 49:663-670.|
||Tilley, C.E., Harwood, H.F. (1931) The Dolerite-Chalk Contact of Scawt Hill, Co. Antrim. The Production of Basic Alkali-Rocks by the Assimilation of Limestone by Basaltic Magma. Mineralogical Magazine: 22(132): 439-468.|