Starkeyite Baur W H Acta Crystallographica 15 (1962) 815-826 Zur kristallchemie der salzhydrate. Die kristallstrukturen von MgSO4*4H2O (leonhardtit) und FeSO4*4H2O (rozenit) Locality: synthetic _database_code_amcsd 0009275 5.922 13.604 7.905 90 90.85 90 P2_1/n atom x y z Biso Mg .0694 .1028 .2213 1.1 S .1957 .1068 .8259 .80 O1 .0058 .0461 .7595 1.3 O2 .2485 .0772 .0024 1.3 O3 .3983 .0911 .7227 1.3 O4 .1290 .2112 .8145 1.3 Ow1 .3555 .0748 .3591 1.8 Ow2 .7718 .1394 .0910 1.8 Ow3 .8907 .1273 .4405 1.8 Ow4 .1778 .2491 .2195 1.8 H1 .360 .070 .485 2.4 H2 .444 .017 .323 2.4 H3 .682 .198 .092 2.4 H4 .684 .098 .017 2.4 H5 .766 .171 .463 2.4 H6 .935 .096 .547 2.4 H7 .322 .242 .275 2.4 H8 .620 .190 .759 2.4