Dumortierite Groat L A, Evans R J, Grew E S, Pieczka A The Canadian Mineralogist 50 (2012) 855-872 The crystal chemistry of As- and Sb-bearing dumortierite Sample: D27 Locality: west shore of Lake Uvildy in the Ilmen Mountains, southern Urals, Russia _database_code_amcsd 0019560 4.6901 11.7874 20.1872 90 90 90 Pnma atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Al1A .332 .75 .2494 .187 .0074 Al1 .3954 .75 .2498 .43 .0074 Al1B .475 .75 .2503 .187 .0074 Al2 .55796 .61038 .47240 .977 .0049 .0050 .0046 .0051 .0001 -.0002 -.0003 Al3 .05982 .49106 .43092 .981 .0050 .0049 .0048 .0052 .0000 .0001 .0000 Al4 .05801 .35854 .28907 .974 .0065 .0074 .0059 .0061 .0004 -.0006 .0009 Si1 .0879 .75 .40474 .966 .0056 .0036 .0035 .0096 .000 -.0001 .000 Si2 .58827 .52567 .32776 .962 .00565 .0047 .0071 .0052 .0002 .0001 -.0017 As1 .118 .75 .3875 .027 .008 As2 .616 .5634 .3158 .0301 .006 Sb1 .057 .75 .358 .0069 .008 Sb2 .555 .597 .3063 .0075 .006 B .2266 .25 .41616 .0073 .0090 .0045 .0085 .000 .0009 .000 O1 .3775 .75 .45410 .962 .0050 .0038 .0031 .0080 .000 -.0005 .000 O1SB .406 .75 .397 .038 .005 O2 .1498 .75 .32539 .966 .0123 .0129 .0125 .0114 .000 .0029 .000 O3 .8957 .63919 .42401 .0064 .0064 .0059 .0068 .0000 .0006 -.0007 O4 .4000 .43608 .28232 .0063 .0065 .0056 .0068 .0008 .0003 -.0004 O5 .3953 .55058 .39335 .0064 .0068 .0060 .0063 .0001 -.0002 -.0001 O6 .8813 .45370 .35027 .969 .0054 .0047 .0061 .0052 -.0001 .0000 -.0011 O6SB .899 .510 .323 .031 .005 O7 .6478 .64005 .28647 .966 .0118 .0136 .0104 .0114 -.0019 .0006 .0010 O8 .1674 .25 .35049 .0089 .0159 .0047 .0062 .000 -.0014 .000 O9 .2545 .35107 .44822 .0072 .0104 .0052 .0059 -.0003 -.0008 -.0012 O10 .7598 .25 .27233 .0074 .0053 .0058 .0111 .000 .0003 .000 O11 .7503 .46626 .48804 .0048 .0036 .0055 .0052 .0000 -.0001 -.0002