AM_Guildite
Formula: Fe Cu S2 H4 O13
Name: Guildite
Unit cell: 9.786 7.134 7.263 90.0 105.28 90.0 , V=489.13
Space group: P121/M1 (11)

Wan C , Ghose S , Rossman G R , American Mineralogist , 63 (1978) p.478-483, Guildite, a layer structure with a ferric hydroxy-sulphate chain and its optical, absorption spectra, Note: OW2 y-coordinate changed in order to reproduce OW2 bond lengths