Piemontite Catti M, Ferraris G, Ivaldi G American Mineralogist 73 (1988) 1370-1376 Thermal behavior of the crystal structure of strontian piemontite Sample: T = 25 C _database_code_amcsd 0001202 8.884 5.684 10.202 90 115.23 90 P2_1/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca1 .75896 .75 .15395 .00402 .00603 .00229 0 .00198 0 Ca2 .59844 .75 .42438 .799 .00340 .01029 .00164 0 .00074 0 Sr2 .59844 .75 .42438 .201 .00340 .01029 .00164 0 .00074 0 Al1 0 0 0 .810 .00162 .00325 .00146 -.00010 .00053 .00009 Mn1 0 0 0 .136 .00162 .00325 .00146 -.00010 .00053 .00009 Fe1 0 0 0 .054 .00162 .00325 .00146 -.00010 .00053 .00009 Al2 0 0 .5 .00154 .00317 .00149 -.00016 .00060 -.00014 Al3 .29468 .25 .22161 .059 .00143 .00433 .00155 0 .00053 0 Mn3 .29468 .25 .22161 .672 .00143 .00433 .00155 0 .00053 0 Fe3 .29468 .25 .22161 .269 .00143 .00433 .00155 0 .00053 0 Si1 .34046 .75 .04491 .00189 .00410 .00149 0 .00070 0 Si2 .68461 .25 .27550 .00174 .00425 .00155 0 .00070 0 Si3 .18391 .75 .31827 .00181 .00441 .00158 0 .00087 0 O1 .2338 .9921 .0369 .00294 .00495 .00331 .00071 .00168 .00042 O2 .3041 .9799 .3545 .00274 .00588 .00234 -.00098 .00107 .00014 O3 .7957 .0154 .3396 .00209 .00487 .00252 .00038 .00000 -.00028 O4 .0576 .25 .1312 .00259 .00433 .00202 0 .00107 0 O5 .0417 .75 .1465 .00220 .00696 .00176 0 .00043 0 O6 .0667 .75 .4068 .00298 .00410 .00226 0 .00161 0 O7 .5145 .75 .1792 .00263 .00789 .00223 0 .00040 0 O8 .5264 .25 .3124 .00259 .01091 .00284 0 .00158 0 O9 .6239 .25 .1000 .00572 .01408 .00208 0 .00202 0 O10 .0837 .25 .4308 .00259 .00495 .00202 0 .00134 0 H .055 .25 .350 1.2