Coquimbite Majzlan J, Navrotsky A, McCleskey R B, Alpers C N European Journal of Mineralogy 18 (2006) 175-186 Thermodynamic properties and crystal structure refinement of ferricopiapite, coquimbite, rhomboclase, and Fe2(SO4)3(H2O)5 Locality: synthetic _database_code_amcsd 0007144 10.9153 10.9153 17.0770 90 90 120 P-31c atom x y z occ Uiso Fe1 0 0 0 .086 .0353 Al1 0 0 0 .914 .0353 Fe2 1/3 2/3 1/4 .0353 Fe3 2/3 1/3 .0033 .928 .0353 Al3 2/3 1/3 .0033 .072 .0353 S .2451 .4145 .1225 .0339 O1 .3191 .3452 .0918 .0401 O2 .1056 .3076 .1552 .0401 O3 .2235 .4942 .0587 .0401 O4 .3360 .5145 .1833 .0401 Wat5 .1653 .0702 .0635 .0401 Wat6 .4512 .1187 .2122 .0401 Wat7 .5698 .1613 .0737 .0401