Albite Winter J K, Okamura F P, Ghose S American Mineralogist 64 (1979) 409-423 A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition T = 1060 deg C, sample = monalbite Locality: Tiburon, Marin County, California, USA _database_code_amcsd 0000721 8.297 12.994 7.144 90 116.01 90 C2/m atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Na .2775 0 .1385 .9975 .0581 .0275 .0787 0 .0077 0 K .2775 0 .1385 .0025 .0581 .0275 .0787 0 .0077 0 Si1 .0084 .1787 .2236 .75 .0219 .0042 .0148 -.0008 .0061 -.0002 Al1 .0084 .1787 .2236 .25 .0219 .0042 .0148 -.0008 .0061 -.0002 Si2 .6975 .1166 .3421 .75 .0194 .0034 .0195 -.0007 .0053 -.0003 Al2 .6975 .1166 .3421 .25 .0194 .0034 .0195 -.0007 .0053 -.0003 Oa1 0 .1411 0 .0305 .0076 .0218 0 .0180 0 Oa2 .6126 0 .2852 .0281 .0038 .0315 0 .0092 0 Ob .8227 .1366 .2246 .0235 .0098 .0423 -.0063 .0174 .0015 Oc .0294 .3049 .2537 .0362 .0049 .0348 -.0017 .0109 -.0012 Od .1873 .1233 .4044 .0256 .0085 .0231 .0018 .0028 .0023