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: D31 Locality: Tonagh Island in Amundsen Bay, Enderby Land, East Antarctica _database_code_amcsd 0019561 4.6871 11.7901 20.1825 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 .335 .75 .25033 .26 .0071 Al1 .412 .75 .24963 .481 .0071 Al1B .487 .75 .2495 .14 .0071 Al2 .55802 .61051 .472482 .990 .00506 .0046 .00526 .00530 -.00017 -.00033 -.00012 Al3 .05971 .49106 .431009 .990 .00517 .0046 .00602 .00488 .00006 .00006 -.00010 Al4 .05802 .35872 .289074 .984 .00662 .0071 .00669 .00606 -.00008 -.00080 .00107 Si1 .0874 .75 .4045 .9592 .0068 .0044 .0054 .0106 0 -.0003 0 As1 .105 .75 .399 .0326 .002 Sb1 .113 .75 .3802 .0082 .002 Si2 .5875 .52556 .32794 .9583 .0063 .0046 .0091 .0051 -.0002 .0003 -.0019 As2 .608 .5417 .3214 .0333 .0055 Sb2 .607 .5735 .3153 .0083 .0055 B .2261 .25 .41615 .0067 .0066 .0067 .0067 0 .0000 0 O1 .3767 .75 .45417 .0072 .0058 .0059 .0099 0 -.0011 0 O2 .1500 .75 .32577 .9592 .0128 .0135 .0129 .0118 0 .0042 0 O3 .89571 .63919 .42411 .00609 .0055 .0057 .0070 .0001 .0005 -.0004 O4 .40051 .43611 .28251 .00632 .0051 .0078 .0060 .0001 .0006 -.0009 O5 .39510 .55028 .39341 .00600 .0053 .0076 .0052 -.0006 -.0001 -.0008 O6 .88080 .45396 .35023 .00709 .0056 .0093 .0064 .0009 -.0006 -.0017 O7 .6481 .63972 .28660 .9583 .0128 .0157 .0116 .0110 -.0025 .0014 .0012 O8 .1641 .25 .35051 .0087 .0144 .0062 .0055 0 -.0018 0 O9 .25468 .35117 .44805 .00697 .0088 .0059 .0062 .0004 -.0017 -.0010 O10 .7611 .25 .27224 .0081 .0064 .0072 .0109 0 -.0003 0 O11 .75011 .46640 .48808 .00487 .0040 .0058 .0048 -.0002 .0001 .0000