Albite Meneghinello E, Alberti A, Cruciani G American Mineralogist 84 (1999) 1144-1151 Order-disorder process in the tetrahedral sites af albite Sample: 1080-10d Locality: Stintino, Sardinia, Italy _database_code_amcsd 0002269 8.154 12.794 7.129 93.81 116.54 88.48 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) Na .2705 .9932 .1441 .996 .0148 .0793 .0496 -.0074 .0010 -.0427 Ca .2705 .9932 .1441 .010 .0148 .0793 .0496 -.0074 .0010 -.0427 K .2705 .9932 .1441 .004 .0148 .0793 .0496 -.0074 .0010 -.0427 Al1o .0095 .1685 .2109 .78 .0115 .0101 .0085 -.0032 .0055 .0001 Si1o .0095 .1685 .2109 .22 .0115 .0101 .0085 -.0032 .0055 .0001 Si1m .0045 .8186 .2343 .90 .0102 .0102 .0077 .0014 .0045 .0008 Al1m .0045 .8186 .2343 .10 .0102 .0102 .0077 .0014 .0045 .0008 Si2o .6922 .1102 .3180 .94 .0098 .0078 .0110 -.0009 .0046 .0004 Al2o .6922 .1102 .3180 .06 .0098 .0078 .0110 -.0009 .0046 .0004 Si2m .6843 .8808 .3581 .94 .0094 .0080 .0110 -.0007 .0048 .0007 Al2m .6843 .8808 .3581 .06 .0094 .0080 .0110 -.0007 .0048 .0007 OA1 .0052 .1337 .9735 .0258 .0146 .0156 -.0033 .0131 .0018 OA2 .5937 .9953 .2805 .0106 .0104 .0173 -.0016 .0055 .0016 OBo .8154 .1113 .1942 .0182 .0194 .0244 -.0046 .0148 -.0007 OBm .8199 .8504 .2527 .0182 .0201 .0323 .0020 .0179 -.0014 OCo .0151 .2993 .2705 .0147 .0151 .0210 -.0047 .0083 -.0037 OCm .0247 .6920 .2284 .0149 .0115 .0192 .0030 .0055 .0012 ODo .2027 .1110 .3891 .0157 .0156 .0127 -.0010 .0040 .0018 ODm .1848 .8686 .4315 .0152 .0168 .0124 -.0013 .0005 -.0017