Citation: Krivovichev, S. V.; Yakovenchuk, V. N.; Armbruster, T.; Pakhomovsky, Y. A.; Weber, H.-P.; Depmeier, W. (2004). Synchrotron X-ray diffraction study of the structure of shafranovskite, K2Na3(Mn,Fe,Na)4[Si9(O,OH)27].nH2O, a rare manganese silicate from Kola peninsula, Russia. American Mineralogist, 89, pp. 1816-1821.