Citation: Graeber, E. J.; Rosenzweig, A. (1971). The crystal structures of yavapaiite, KFe(SO4)2, and goldichite, KFe(SO4)2.4H2O. American Mineralogist, 56, pp. 1917-1933.
Formula: Fe K O8 S2
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Fe2 O16 S4 (Fe O8 S2)
Multiplicity: 1
Coordination sequences: