Orthoclase Angel R J, Ross N L, Zhao J, Sochalski-Kolbus L, Kruger H, Schmidt B C European Journal of Mineralogy 25 (2013) 597-614 Structural controls on the anisotropy of tetrahedral frameworks: the example of monoclinic feldspars Note: T = 600 K, Sample H003 Locality: Unknown _database_code_amcsd 0020543 8.6159 12.9806 7.1991 90 115.956 90 C2/m atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) K .28773 0 .13994 .92 .0498 .0359 .0581 .0522 0 .0165 0 Na .28773 0 .13994 .08 .0498 .0359 .0581 .0522 0 .0165 0 SiT1 .00962 .18576 .22416 .62 .0198 .0219 .0204 .0184 -.00326 .0101 -.00171 AlT1A .00962 .18576 .22416 .38 .0198 .0219 .0204 .0184 -.00326 .0101 -.00171 SiT2 .71201 .11802 .34502 .88 .0197 .0205 .0172 .0212 -.00062 .0091 .00014 AlT2A .71201 .11802 .34502 .12 .0197 .0205 .0172 .0212 -.00062 .0091 .00014 OA1 0 .14725 0 .0343 .0413 .0341 .0301 0 .0181 0 OA2 .6437 0 .2850 .0337 .0345 .0197 .0375 0 .0070 0 OB .8279 .14860 .2283 .0404 .0367 .0491 .0441 -.0066 .0258 .0019 OC .0377 .31246 .2606 .0316 .0290 .0261 .0380 -.0047 .0130 -.0038 OD .1790 .12586 .4067 .0343 .0364 .0351 .0237 .0042 .0061 .0023