Citation: Yang, Hexiong; Downs, Robert T.; Yang, Yongbo W.; Allen, Warren H. (2012). Pyrosmalite-(Fe), Fe~8~Si~6~O~15~(OH,Cl)~10~. Acta Crystallographica, Section E: Structure Reports Online, 68, pp. i7-i8.
Formula: Cl1.855 Fe8 H8.48 O23.585 Si6
Chemical name: octairon(II) hexasilicate deca(chloride/hydroxide) 0.45-hydrate
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Cl6 Fe16 H14 O50 Si12 (Cl3 Fe8 H7 O25 Si6)
Multiplicity: 1