Grew, E.S., HÂlenius, U., Kritikos, M, Shearer, C. K. (2001) New data on welshite, e.g., Ca2Mg3.8Mn2+0.6Fe2+0.1Sb5+1.5O2[Si2.8Be1.7Fe3+0.65Al0.7As0.17O18], an aenigmatite-group mineral. Mineral. Mag., 65, 665-674