Barrerite Ori S, Mazzucato E, Vezzalini G American Mineralogist 94 (2009) 64-73 Dehydration dynamics of barrerite: An in situ synchrotron XRPD study Locality: Kuiu Island, Alaska Note: BAR-A, T = 482 K _database_code_amcsd 0004774 13.6744 17.8937 17.5723 90 90 90 Amma atom x y z occ Uiso NaC1 .25 0 -.032 .227 .123 KC1 .25 0 -.032 .091 .123 MgC1 .25 0 -.032 .008 .123 CaC1 .25 0 -.032 .057 .123 NaC1P .25 0 .450 .108 .123 KC1P .25 0 .450 .044 .123 MgC1P .25 0 .450 .004 .123 CaC1P .25 0 .450 .027 .123 NaC2 .074 -.010 .088 .108 .123 KC2 .074 -.010 .088 .044 .123 MgC2 .074 -.010 .088 .004 .123 CaC2 .074 -.010 .088 .027 .123 NaC2P .083 .105 .468 .201 .123 KC2P .083 .105 .468 .081 .123 MgC2P .083 .105 .468 .007 .123 CaC2P .083 .105 .468 .050 .123 NaC3 .209 0 .233 .124 .123 KC3 .209 0 .233 .050 .123 MgC3 .209 0 .233 .004 .123 CaC3 .209 0 .233 .031 .123 NaCA 0 .039 0 .077 .123 KCA 0 .039 0 .031 .123 MgCA 0 .039 0 .003 .123 CaCA 0 .039 0 .019 .123 AlT1 .1362 .2920 .1230 .231 .049 SiT1 .1362 .2920 .1230 .769 .049 AlT1P .1335 .3248 .3696 .231 .049 SiT1P .1335 .3248 .3696 .769 .049 AlT3 .0472 .4095 .2298 .231 .049 SiT3 .0472 .4095 .2298 .769 .049 AlT4 .1403 .1867 .2643 .231 .049 SiT4 .1403 .1867 .2643 .769 .049 AlT5 0 .2156 0 .231 .049 SiT5 0 .2156 0 .769 .049 O1 .0723 .2733 .0462 .065 O1P .0690 .3396 .4477 .065 O3 .122 .2316 .1876 .065 O3P .132 .2419 .3351 .065 O4 .1083 .3735 .1577 .065 O4P .1013 .3865 .3092 .065 O7 .25 .3081 .0924 .065 O7P .25 .3422 .3884 .065 O8 .0685 .1178 .2719 .065 O9 .056 .5 .2173 .065 O10 .25 .1453 .2642 .065 Wat2 .25 .126 .095 .35 .123 Wat2P .25 .139 .432 .27 .123 Wat4P .291 0 .310 .32 .123 Wat5 .094 .5 .074 .80 .123 Wat8 .25 .5 .098 .35 .123 Wat8P .25 .5 .340 .93 .123