Citation: Gramaccioli, C. M.; Pilati, T.; Liborio, G. (1979). Structure of a manganese(II) arsenatotrisilicate, Mn4[AsSi3O12(OH)]: The presence of a new tetrapolyphosphate-like anion Note: Displacement parameters taken from ICSD. Acta Crystallographica, Section B, 35, pp. 2287-2291.