XVIIth Meeting of the Petrology Group: "LAMPROPHYRES AND RELATED MAFIC HYPABYSSAL ROCKS: CURRENT PETROLOGICAL ISSUES PROGRAMME", Różanka, Sudetes, 14-17 October 2010
© 2009 Mineralogical Society of Poland; Designed by: Irena Jerzykowska, Bartłomiej Kajdas; Mineral photos: Eligiusz Szełęg