Ilvaite Bonazzi P, Bindi L American Mineralogist 84 (1999) 1604-1612 Structural adjustments induced by heat treatment in ilvaite Sample: RM at T = 450 deg C _database_code_amcsd 0002319 13.014 8.807 5.846 90 90.10 90 P2_1/a atom x y z occ Uiso Ca .81287 .37029 .75072 .00958 Fe11 .89007 .05073 .00734 .97 .00807 Mg11 .89007 .05073 .00734 .03 .00807 Fe12 .89000 .05119 .49276 .96 .00799 Al12 .89000 .05119 .49276 .04 .00799 Fe2 .94063 .74003 .24975 .95 .00857 Mn2 .94063 .74003 .24975 .05 .00857 Si1 .95958 .36863 .24986 .00688 Si2 .67950 .22731 .25047 .00689 H .7394 .0789 .7417 .047 O1 .00985 .02910 .74651 .01293 O21 .93651 .27249 .01682 .00920 O22 .93628 .27240 .48262 .00913 O3 .77748 .10944 .25130 .00967 O41 .67102 .32928 .01863 .00942 O42 .67084 .33013 .48177 .00935 O5 .58485 .10108 .25056 .00907 O6 .60163 .02554 .75061 .01173 O7 .79821 .10931 .74935 .00948