Sanidine Taylor W Zeitschrift fur Kristallographie 85 (1933) 425-442 The structure of sanidine and other feldspars 2.56 _cod_database_code 1011224 _database_code_amcsd 0018087 8.45 12.9 7.15 90 116.1 90 C2/m atom x y z occ O1 0 .1388 0 O2 .6583 0 .2367 O3 .8214 .153 .2367 O4 0 .3193 .2507 O5 .1524 .1248 .4169 Si1 0 .186 .2167 .75 Si2 .7023 .1109 .3479 .75 Al1 0 .186 .2167 .25 Al2 .7023 .1109 .3479 .25 K1 .294 0 .1394