Thomsonite-Sr Gurbanova O A, Rastsvetaeva R K, Pekov I V, Turchkova A G Doklady Akademii Nauk SSSR 376 (2001) 387-390 Crystal structure of strontium-rich thomsonite Locality: Khibiny alkaline massif, Kola peninsula, Russia _database_code_amcsd 0012495 13.050 13.123 13.241 90 90 90 Pcnn atom x y z occ Biso NaM .5061 .0578 .3613 .6 1.16 CaM .5061 .0578 .3613 .4 1.16 Sr .5 .5 .5 .52 1.66 Ca .0316 .003 .002 .24 2.0 Si1 .25 .25 .6906 .66 Si2 .3044 .1128 .0024 .55 Si3 .3841 .3062 .3754 .90 Al1 .75 .25 .6874 .96 1.1 SiAl1 .75 .25 .6874 .04 1.1 Al2 .3038 .1202 .4931 .96 1.15 SiAl2 .3038 .1202 .4931 .04 1.15 Al3 .6234 .3094 .3826 .96 .87 SiAl3 .6234 .3094 .3826 .04 .87 O1 .3142 .1686 .6185 1.6 O2 .6967 .1585 .6133 1.2 O3 .3299 .3190 .7565 1.3 O4 .6570 .3034 .7625 .8 O5 .3604 .0049 .496 1.1 O6 .6311 .1823 .4239 1.9 O7 .3852 .1889 .4186 1.0 O8 .8147 .1039 .4598 1.7 O9 .1799 .1196 .4533 1.2 O10 .9953 .1472 .8816 1.0 Wat1 .507 .1259 .1877 2.3 Wat2 .008 .1123 .1434 2.8 Wat3 .6518 0 .750 2.2 Wat4 .3438 0 .750 3.4