Citation: Moore, P. B.; Sen Gupta, P. K.; Shen, J.; Schlemper, E. O. (1991). The kentrolite-melanotekite series, 4Pb2(Mn,Fe)2O2[Si2O7]: Chemical crystallographic relations, lone-pair splitting, and cation relation to 8URe2. American Mineralogist, 76, pp. 1389-1399.