H2 Mg3 O10 S2 Fleet M, Knipe S Acta Crystallographica B53 (1997) 358-363 Structure of magnesium hydroxide sulfate (2(Mg S O4) . (Mg (O H)2)) and solid solution in magnesium hydroxide sulfate hydrate and caminite _cod_database_code 1100099 _database_code_amcsd 0018265 7.454 7.454 12.885 90 90 90 P4_32_12 atom x y z Mg1 .1239 .1239 .5 Mg2 .1007 .3555 .25618 S1 .2506 .99719 .12740 O1 .1416 .1099 .1943 O2 .3696 .8796 .1897 O3 .2417 .4884 .1378 O4 .1351 .8737 .0669 O5 .3555 .1109 .0586