Loweite Fang J H, Robinson P D American Mineralogist 55 (1970) 378-386 Crystal structures and mineral chemistry of double-salt hydrates: II. The crystal structure of loeweite _database_code_amcsd 0000200 11.769 11.769 11.769 106.5 106.5 106.5 R-3 atom x y z occ Biso Na1 .9103 .5064 .3569 1.54 Na2 .3121 .4552 .1928 1.79 Mg1 .6890 .2068 .1214 .55 Mg2 .5 .5 .5 .49 S1 .8328 .4537 .0535 .49 S2 .5647 .4112 .2335 .49 S3 .1195 .1195 .1195 .5 1.04 O1 .6210 .0255 .1152 1.28 O2 .7861 .3817 .1269 1.51 O3 .8511 .0657 .4220 1.61 O4 .5255 .0269 .2721 2.27 O5 .6942 .5151 .3116 1.08 O6 .4874 .4095 .3135 .90 O7 .4977 .4319 .1189 .96 O8 .5734 .2841 .1942 .89 O9 0 0 0 3.75 Wat1 .8120 .2764 .3161 1.22 Wat2 .8350 .1634 .0701 2.57 Wat3 .1620 .2367 .0762 .5 6.96 O .1620 .2367 .0762 .5 6.96