Citation: Colombo, F.; Rius, J.; Vallcorba, O.; Pannunzio Miner, E. V. (2014). The crystal structure of sarmientite, Fe3+2(AsO4)(SO4)(OH)*5H2O, solved ab initio from laboratory powder diffraction data. Mineralogical Magazine, 78, pp. 347-360.
Formula: As Fe2 H11 O14 S
List type: interleaving
List: 1D
Basis: (1;0;0)
Dimensionality: 1
Formula: As2 Fe4 O28 S2 (As Fe2 O14 S)
Multiplicity: 1