Sanidine Kimata M, Shimizu M, Saito S European Journal of Mineralogy 8 (1996) 15-24 High-temperature crystal structure of sanidine Part II. The crystal structure of sanidine at 935 C Sample: T = 23 C, feldspar _database_code_amcsd 0006610 8.531 13.007 7.179 90 116.00 90 C2/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) K .2807 0 .1363 .789 3.637 .00970 .00715 .02055 0 .00458 0 Na .2807 0 .1363 .160 3.637 .00970 .00715 .02055 0 .00458 0 Ba .2807 0 .1363 .014 3.637 .00970 .00715 .02055 0 .00458 0 Fe .2807 0 .1363 .003 3.637 .00970 .00715 .02055 0 .00458 0 AlT1 .0085 .1819 .2235 .28 1.225 .00645 .00204 .00522 -.00063 .00307 -.00015 SiT1 .0085 .1819 .2235 .72 1.225 .00645 .00204 .00522 -.00063 .00307 -.00015 AlT2 .7023 .1169 .3436 .22 1.193 .00607 .00163 .00620 -.00004 .00264 .00005 SiT2 .7023 .1169 .3436 .78 1.193 .00607 .00163 .00620 -.00004 .00264 .00005 OA1 0 .1429 0 2.098 .01272 .00301 .00903 0 .00610 0 OA2 .6225 0 .2851 2.107 .01086 .00183 .01314 0 .00367 0 OB .8262 .1406 .2262 2.251 .00913 .00377 .01404 -.00079 .00629 .00042 OC .0277 .3072 .2547 1.808 .00787 .00235 .01154 -.00028 .00389 -.00012 OD .1844 .1252 .4049 1.943 .00923 .00296 .00790 .00022 .00228 .00020