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