Albite Meneghinello E, Alberti A, Cruciani G American Mineralogist 84 (1999) 1144-1151 Order-disorder process in the tetrahedral sites af albite Sample: 1090-7d Locality: Stintino, Sardinia, Italy _database_code_amcsd 0002270 8.160 12.802 7.130 93.72 116.42 88.61 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 .2711 .9946 .1432 .996 .0146 .0798 .0476 -.0018 .0070 -.0372 Ca .2711 .9946 .1432 .010 .0146 .0798 .0476 -.0018 .0070 -.0372 K .2711 .9946 .1432 .004 .0146 .0798 .0476 -.0018 .0070 -.0372 Al1o .0088 .1691 .2112 .75 .0122 .0120 .0089 -.0026 .0050 .0008 Si1o .0088 .1691 .2112 .25 .0122 .0120 .0089 -.0026 .0050 .0008 Si1m .0043 .8182 .2340 .90 .0112 .0116 .0088 .0013 .0050 .0016 Al1m .0043 .8182 .2340 .10 .0112 .0116 .0088 .0013 .0050 .0016 Si2o .6927 .1104 .3191 .92 .0109 .0091 .0115 -.0004 .0049 .0012 Al2o .6927 .1104 .3191 .08 .0109 .0091 .0115 -.0004 .0049 .0012 Si2m .6850 .8807 .3573 .93 .0107 .0090 .0114 .0007 .0047 .0015 Al2m .6850 .8807 .3573 .07 .0107 .0090 .0114 .0007 .0047 .0015 OA1 .0051 .1339 .9752 .0257 .0209 .0153 .0013 .0118 .0043 OA2 .5950 .9956 .2807 .0135 .0113 .0170 -.0002 .0053 .0027 OBo .8158 .1123 .1952 .0182 .0239 .0232 -.0047 .0130 .0014 OBm .8204 .8510 .2519 .0177 .0218 .0294 .0045 .0150 .0018 OCo .0162 .2993 .2710 .0148 .0167 .0183 -.0026 .0054 -.0009 OCm .0236 .6920 .2292 .0145 .0132 .0187 .0027 .0048 .0017 ODo .2021 .1107 .3894 .0168 .0186 .0139 .0010 .0031 .0039 ODm .1840 .8682 .4308 .0179 .0191 .0127 -.0023 .0013 -.0009