Citation: Scarlett, N. V. Y.; Grey, I. E.; Brand, H. E. A. (2010). Ordering of iron vacancies in monoclinic jarosites Note: T = 95 C. American Mineralogist, 95, pp. 1590-1593.
Formula: Fe2.856 H6.73 Na0.75 O14 S2
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Fe6 O40 S4 (Fe3 O20 S2)
Multiplicity: 1