Citation: Ackermann, S.; Lazic, B.; Armbruster, T.; Doyle, S.; Grevel, K. D.; Majzlan, J. (2009). Thermodynamic and crystallographic properties of kornelite [Fe2(SO4)3*~7.75H2O] and paracoquimbite [Fe2(SO4)3*9H2O]. American Mineralogist, 94, pp. 1620-1628.