Magnetite from selected localities.
||Nawaz, R. (1977). A second occurrence of killalaite. Mineralogical Magazine, 41, 546-548. ; 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. and Vincent, H.C.G. (1948) The occurrence of an orthorhombic high-temperature form of Ca2SiO4 (bredigite) in the Scawt Hill contact-zone and as a constituent of slags. Mineralogical Magazine: 28(200): 255-271.; Tilley, C.E., Alderman, A.R. (1934) Progressive metasomatism in the flint nodules of the Scawt Hill contact-zone. Mineralogical Magazine: 23: 513-518.|