Mannardite Shi N, Ma Z, Liu W Acta Petrologica et Mineralogica 10 (1991) 233-245 Crystal structure determination of ankangite with one dimensional incommensurate modulation Locality: Shiti barite deposit, Ankang County, Shaanxi, China _database_code_amcsd 0018319 10.126 10.126 41.41 90 90 90 P4/m atom x y z occ Uiso Ba1 0 0 0 .005 Ba3 0 0 .143 .069 Ba23 0 0 .273 .096 Ba27 0 0 .416 .052 Ba8 0 0 .5 .050 Ba31 .5 .5 .048 .127 Ba10 .5 .5 .107 .091 Ba35 .5 .5 .191 .078 Ba38 .5 .5 .309 .058 Ba15 .5 .5 .464 .137 Ti1 .340 .854 0 .65 .022 V1 .340 .854 0 .35 .022 Ti2 .334 .853 .0677 .65 .012 V2 .334 .853 .0677 .35 .012 Ti3 .337 .845 .1392 .65 .002 V3 .337 .845 .1392 .35 .002 Ti4 .320 .856 .2114 .65 .016 V4 .320 .856 .2114 .35 .016 Ti5 .331 .850 .2835 .65 .026 V5 .331 .850 .2835 .35 .026 Ti6 .345 .836 .3535 .65 .004 V6 .345 .836 .3535 .35 .004 Ti7 .334 .844 .4265 .65 .204 V7 .334 .844 .4265 .35 .204 Ti8 .335 .853 .5 .65 .008 V8 .335 .853 .5 .35 .008 Ti9 .165 .653 .0356 .65 .010 V9 .165 .653 .0356 .35 .010 Ti10 .164 .650 .1019 .65 .056 V10 .164 .650 .1019 .35 .056 Ti11 .163 .649 .1737 .65 .012 V11 .163 .649 .1737 .35 .012 Ti12 .168 .652 .2463 .65 .004 V12 .168 .652 .2463 .35 .004 Ti13 .167 .658 .3123 .65 .356 V13 .167 .658 .3123 .35 .356 Ti14 .166 .647 .3870 .65 .015 V14 .166 .647 .3870 .35 .015 Ti15 .163 .649 .4614 .65 .014 V15 .163 .649 .4614 .35 .014 O1 .334 .030 0 .022 O2 .331 .038 .070 .010 O3 .339 .032 .138 .075 O4 .332 .038 .213 .073 O5 .332 .038 .282 .093 O6 .366 .040 .3536 .012 O7 .338 .035 .4234 .079 O8 .331 .039 .5 .050 O9 .346 .314 0 .074 O10 .343 .301 .070 .009 O11 .342 .298 .139 .117 O12 .342 .298 .214 .045 O13 .340 .304 .281 .161 O14 .350 .296 .356 .017 O15 .345 .300 .429 .031 O16 .347 .300 .5 .062 O17 .160 .201 .035 .016 O18 .161 .204 .104 .036 O19 .162 .203 .175 .081 O20 .158 .201 .249 .051 O21 .150 .201 .319 .299 O22 .155 .201 .389 .050 O23 .152 .202 .462 .009 O24 .167 .468 .035 .005 O25 .165 .461 .100 .016 O26 .168 .456 .177 .008 O27 .161 .465 .243 .162 O28 .170 .467 .312 .295 O29 .169 .457 .383 .008 O30 .170 .459 .459 .155