Cordierite Wallace J H, Wenk H R American Mineralogist 65 (1980) 96-111 Structure variation in low cordierites Note: sample sci 552 Locality: contact of Bergell granite, Switzerland _database_code_amcsd 0000769 17.140 9.769 9.321 90 90 90 Cccm atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Mg1 .33733 0 .25 .588 .00028 .00127 .00211 0 0 -.00003 Fe1 .33733 0 .25 .386 .00028 .00127 .00211 0 0 -.00003 Al1 .25 .25 .25006 .978 .00044 .00142 .00143 0.00013 0 0 Si2 0 .5 .25 .880 .00026 .00126 .00109 0 0 0 Al2 0 .5 .25 .098 .00026 .00126 .00109 0 0 0 Si3 .19135 .078440 0 .983 .00029 .00102 .00140 0.00005 0 0 Si4 .13502 -.23589 0 .969 .00023 .00122 .00124 -.00009 0 0 Al5 .05032 .307490 0 .901 .00016 .00117 .00126 0.00007 0 0 Si5 .05032 .307490 0 .047 .00016 .00117 .00126 0.00007 0 0 O1 .24563 -.10374 .35836 .00074 .00191 .00206 -.00006 0.00035 -.00005 O2 .06144 -.41538 .34922 .00054 .00240 .00223 -.00015 0.00013 -.00086 O3 -.17322 -.30721 .35803 .00059 .00228 .00212 0.00019 -.00017 -.00036 O4 .04348 -.24780 0 .00036 .00383 .00446 -.00023 0 0 O5 .12130 .184190 0 .00079 .00259 .00409 0.00056 0 0 O6 .16362 -.07814 0 .00084 .00175 .00394 -.00017 0 0 OH1 0 0 .25 .60 .018 .025 .019 0 0 0 OH2 0 0 0 .12 .002 .001 .009 0 0 0