Tiragalloite Gramaccioli C M, Pilati T, Liborio G Acta Crystallographica B35 (1979) 2287-2291 Structure of a manganese(II) arsenatotrisilicate, Mn4[AsSi3O12(OH)]: The presence of a new tetrapolyphosphate-like anion Locality: Molinello, near Chiavari, Liguria, Note: Displacement parameters taken from ICSD _database_code_amcsd 0009690 6.66 19.92 7.67 90 95.7 90 P2_1/n atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Mn1 .25844 .64836 -.14601 .00172 .00020 .00443 .00014 -.00023 .00003 Mn2 -.45780 .58376 .54669 .00139 .00023 .00431 -.00003 .00036 -.00005 Mn3 .76253 .50915 .24515 .00239 .00037 .00457 -.00040 .00010 -.00037 Mn4 .05246 .74596 .13942 .00204 .00026 .00506 .00008 .00006 -.00015 As .43066 .30163 -.21252 .00334 .00044 .00538 -.00005 .00017 .00006 Si1 .23118 .36790 .08072 .00292 .00028 .00554 .00008 .00041 -.00022 Si2 .26741 .52059 .16158 .00276 .00029 .00524 .00001 -.00014 .00001 Si3 .04814 .59788 .44013 .00283 .00039 .00521 .00005 -.00009 .00005 O1 .27074 .23802 -.18296 .0044 .00046 .00671 -.00021 .00078 -.00006 O2 .45977 .31980 -.42138 .0092 .00047 .00579 .00022 .00162 .00013 O3 .64941 .28926 -.09053 .0030 .00098 .00687 .00052 -.00087 -.00026 O4 .31652 .36999 -.12036 .0035 .00045 .00538 -.00029 .00063 -.00004 O5 .03333 .32369 .07199 .0060 .00033 .00577 -.00053 .00029 -.00037 O6 .41456 .34321 .21941 .0040 .00039 .00533 -.00023 .00070 .00034 O7 .17699 .44584 .11549 .0023 .00019 .0092 -.00003 -.00013 -.00045 O8 .30120 .55324 -.02563 .0049 .00052 .00438 .00022 -.00045 .00025 O9 .45704 .51577 .30760 .0036 .00029 .00533 .00014 -.00028 .00025 O10 .08685 .55831 .25473 .0030 .00063 .00481 .00061 -.00041 .00021 O11 .04933 .67785 .38415 .0068 .00026 .00821 -.00056 -.00105 .00008 O12 .22133 .58601 .60057 .0026 .00048 .00583 -.00029 -.00032 .00007 O13 -.16437 .56880 .47657 .0049 .00059 .00598 -.00037 .00055 -.00022 H .14 .71 .45 3