NaAlGe3O8 Fleet M E American Mineralogist 76 (1991) 92-99 Structures of low gallium albite (NaGaSi3O8) and intermediate germanium albite (NaAlGe3O8): Tetrahedral-site ordering in sodium feldspar Locality: synthetic _database_code_amcsd 0001342 8.419 13.298 7.354 94.49 116.25 90.88 C-1 atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ge1o .01066 .15782 .21137 .726 .00352 .00091 .00394 -.00020 .00182 .00006 Al1o .01066 .15782 .21137 .274 .00352 .00091 .00394 -.00020 .00182 .00006 Ge1m .00205 .81213 .22968 .625 .00370 .00101 .00383 .00053 .00157 .00017 Al1m .00205 .81213 .22968 .375 .00370 .00101 .00383 .00053 .00157 .00017 Ge2o .68829 .10494 .31238 .815 .00304 .00069 .00574 .00000 .00157 .00012 Al2o .68829 .10494 .31238 .185 .00304 .00069 .00574 .00000 .00157 .00012 Ge2m .67675 .8744 .35631 .834 .00343 .00084 .00557 .00020 .00167 .00037 Al2m .67675 .8744 .35631 .166 .00343 .00084 .00557 .00020 .00167 .00037 Na .2732 .0187 .12118 .00717 .01761 .03897 .00441 -.00258 -.02088 OA1 .0105 .1281 .9783 .01144 .00156 .00539 .00068 .00480 .00052 OA2 .5758 .9865 .2713 .00317 .00061 .00858 .00003 .00111 .00092 OBo .8202 .0920 .1839 .00660 .00173 .01525 -.00168 .00732 -.00193 OBm .8080 .8363 .2443 .00721 .00400 .01925 .00155 .00889 .00063 OCo .0033 .2837 .2875 .00576 .00094 .01119 -.00055 .00429 .00035 OCm .0152 .6822 .1971 .00603 .00110 .00876 .00095 .00020 -.00020 ODo .2042 .1058 .3795 .00629 .00204 .00597 .00120 .00046 .00032 ODm .1914 .8645 .4323 .00840 .00273 .00771 -.00088 -.00116 -.00029