Dickite Dera P, Prewitt C T, Japel S, Bish D L, Johnston C T American Mineralogist 88 (2003) 1428-1435 Pressure-controlled polytypism in hydrous layered materials Sample: Low pressure dickite at P = 0.1 MPa _database_code_amcsd 0003170 5.161 8.960 14.459 90 96.77 90 Cc atom x y z Uiso Si1 .0088 .4010 .0324 .012 Si2 -.0035 .0722 .0315 .010 Al1 .9126 .2523 .2233 .016 Al2 .4184 .4176 .2226 .018 O1 .9562 .2380 .9864 .017 O2 .2548 .4714 .9856 .018 O3 .7636 .5058 .9991 .017 O4 .0789 .3908 .1428 .021 O5 .0025 .0807 .1443 .012 Oh1 .5850 .2747 .1488 .022 Oh2 .2432 .2780 .2866 .018 Oh3 .2525 .8932 .2888 .015 Oh4 .3234 .5837 .2863 .021 H1 .570 .173 .152 .026 H2 .307 .260 .346 .022 H3 .250 .990 .305 .018 H4 .270 .588 .342 .026