Microcline Griffen D T, Johnson B T American Mineralogist 69 (1984) 1072-1077 Strain in triclinic alkali feldspars: a crystal structure study intermediate _database_code_amcsd 0000962 8.552 12.975 7.205 90.09 115.92 89.51 C-1 atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Al(1o) .0096 .1850 .2229 .54 .0220 .0149 .0135 -.0032 .0083 -.0015 Si(1o) .0096 .1850 .2229 .46 .0220 .0149 .0135 -.0032 .0083 -.0015 Si(1m) .0093 .8165 .2260 .68 .0211 .0139 .0131 .0018 .0083 .0018 Al(1m) .0093 .8165 .2260 .32 .0211 .0139 .0131 .0018 .0083 .0018 Si(2o) .7086 .1183 .3434 .93 .0191 .0105 .0127 -.0005 .0068 .0003 Al(2o) .7086 .1183 .3434 .07 .0191 .0105 .0127 -.0005 .0068 .0003 Si(2m) .7074 .8829 .3459 .93 .0191 .0105 .0131 -.0009 .0068 .0000 Al(2m) .7074 .8829 .3459 .07 .0191 .0105 .0131 -.0009 .0068 .0000 K .2838 .9985 .1366 .89 .0189 .0254 .0214 .0000 .0058 -.0001 Na .2838 .9985 .1366 .11 .0189 .0254 .0214 .0000 .0058 -.0001 O(A1) .9999 .1442 .9959 .0325 .0176 .0231 .0004 .0128 .0007 O(A2) .6352 .0012 .2851 .0285 .0130 .0214 -.0008 .0048 .0003 O(Bo) .8255 .1453 .2263 .0295 .0323 .0264 -.0036 .0182 .0014 O(Bm) .8273 .8552 .2301 .0303 .0322 .0288 .0036 .0186 .0001 O(Co) .0344 .3129 .2579 .0248 .0185 .0229 -.0032 .0088 -.0032 O(Cm) .0353 .6902 .2616 .0252 .0198 .0230 .0027 .0099 .0044 O(Do) .1842 .1251 .4064 .0291 .0207 .0126 .0004 .0042 .0014 O(Dm) .1809 .8741 .4077 .0283 .0200 .0131 -.0020 .0037 -.0011