Phillipsite-K Gualtieri A F Journal of Applied Crystallography 33 (2000) 267-278 Accuracy of XRPD QPA using the combined Rietveld-RIR method Locality: Vallerano, Rome, Italy _database_code_amcsd 0012860 9.8881 14.4040 8.6848 90 124.2711 90 P2_1/m atom x y z occ Uiso K1 .8428 .25 .1876 .85 .037 Ca2 .5873 .6261 .4148 .185 .067 K2 .5873 .6261 .4148 .185 .067 Na3 .5592 .1378 .4014 .205 .051 Ca3 .5592 .1378 .4014 .205 .051 Si1 .7389 .0256 .2824 .6 .019 Al1 .7389 .0256 .2824 .4 .019 Si2 .4107 .1419 .0060 .6 .031 Al2 .4107 .1419 .0060 .4 .031 Si3 .0525 .0038 .2749 .6 .029 Al3 .0525 .0038 .2749 .4 .029 Si4 .1149 .1394 .0511 .6 .041 Al4 .1149 .1394 .0511 .4 .041 O1 .1386 .0926 .2425 .02 O2 .6615 .5708 .1847 .03 O3 .6078 .1063 .1655 .069 O4 .0307 .9164 .1531 .014 O5 .8918 .0495 .2642 .067 O6 .3013 .3666 .0929 .07 O7 .8172 .4877 .5020 .038 O8 .5659 .75 .0216 .038 O9 .0578 .25 .0199 .03 Wat1 .7776 .75 .5288 .78 .02 Wat2 .1891 .75 .4947 .88 .06 Wat3 .3413 .8589 .1736 .90 .12 Wat4 .4420 .25 .4497 .04 Wat5 .5 .5 .5 .67 .09