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 = 935 C, feldspar _database_code_amcsd 0006611 8.677 13.016 7.184 90 115.73 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 .2905 0 .1408 .789 8.439 .02572 .01431 .05161 0 .01285 0 Na .2905 0 .1408 .160 8.439 .02572 .01431 .05161 0 .01285 0 Ba .2905 0 .1408 .014 8.439 .02572 .01431 .05161 0 .01285 0 Fe .2905 0 .1408 .003 8.439 .02572 .01431 .05161 0 .01285 0 AlT1 .0104 .1854 .2244 .28 2.543 .01304 .00351 .01200 -.00124 .00534 -.00045 SiT1 .0104 .1854 .2244 .72 2.543 .01304 .00351 .01200 -.00124 .00534 -.00045 AlT2 .7125 .1183 .3463 .22 2.440 .01170 .00244 .01532 -.00024 .00472 -.00005 SiT2 .7125 .1183 .3463 .78 2.440 .01170 .00244 .01532 -.00024 .00472 -.00005 OA1 0 .1478 0 4.433 .02729 .00577 .01728 0 .01108 0 OA2 .6398 0 .2855 4.127 .01833 .00292 .03052 0 .00656 0 OB .8307 .1483 .2294 5.189 .02005 .00848 .03392 -.00191 .01487 .00057 OC .0375 .3100 .2624 4.122 .01689 .00374 .02949 -.00152 .00620 -.00057 OD .1771 .1257 .4040 4.745 .02043 .00695 .01878 .00214 .00234 .00161