Giniite Adcock C T, Hausrath E M, Rampe E B, Yang H, Downs R T American Mineralogist 108 (2023) 430-438 The crystal structure and chemistry of natural giniite and implications for Mars Locality: Sandamab pegmatite, Namibia, RRUFF# R060765 _database_code_amcsd 0021208 10.3472 5.1497 14.2338 90 111.175 90 P2/n atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Fe1 .97559 -.24625 .25478 .01006 .0098 .01023 .01112 .00082 .00499 -.00070 Fe2 .75 .21898 .75 .00619 .0053 .0063 .0067 .000 .00197 .000 Fe3 .75558 .48901 .51184 .00646 .00517 .00782 .00680 -.00078 .00266 -.00126 P1 .55670 .72166 .62842 .00450 .0039 .0046 .0050 -.0001 .0017 -.0002 P2 .93837 .24451 .37905 .00566 .0045 .0062 .0067 -.0004 .0025 -.0012 O1 .4001 .7325 .57249 .0094 .0054 .0090 .0116 -.0007 .0005 -.0016 O2 .59412 .4765 .69647 .0085 .0084 .0070 .0108 .0017 .0045 .0035 O3 .6371 .7158 .55790 .0096 .0111 .0103 .0107 .0021 .0078 .0016 O4 .59566 .9636 .69697 .0086 .0076 .0076 .0098 -.0031 .0024 -.0043 O5 .0955 .2688 .41791 .0103 .0056 .0114 .0135 -.0019 .0030 -.0021 O6 .8746 .3004 .45726 .0111 .0091 .0153 .0124 .0012 .0080 -.0028 O7 .8771 .4384 .28939 .0117 .0103 .0131 .0102 .0008 .0019 .0050 O8 .8975 -.0307 .33714 .0109 .0101 .0078 .0161 -.0013 .0065 -.0031 O9H .80558 .2337 .62760 .0077 .0107 .0063 .0071 .0004 .0044 -.0003 O10W .8022 -.2174 .11126 .0091 .0089 .0093 .0104 .0009 .0051 .0006 H1 .806 .071 .603 .017 H2 .826 -.077 .095 .016 H3 .729 -.175 .121 .047