Citation: Zemann, J. (1947). Ueber die Struktur des Pharmakosiderits. Experientia, 3, pp. 452-452.
Formula: As3 Fe4 O16
Chemical name: K Fe4 (O H)4 (As O4)3 (H2 O)7
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As3 Fe4 O16 (As3 Fe4 O16)
Multiplicity: 1
Coordination sequences: