gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1996.060.403.13 Short Communications Siegenite-Bearing Assemblages Found at the Great Orme Mine, Llandudno, North Wales Ixer R. A. School of Earth Sciences, University of Birmingham, Edgbaston, Birmingham, B I 5 2TT Stanley C. J. Department of Mineralogy, Natural History Museum, London, SW7 5BD 12 1996 60 403 978 982 6 3 1996 10 4 1996 Copyright © 1996, The Mineralogical Society 1996 siegenite thiospinel galena Great Orme mine Wales