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 = 980 C, sample = monalbite Locality: Tiburon, Marin County, California, USA _database_code_amcsd 0000720 8.274 12.991 7.144 90 116.13 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 .2789 0 .1378 .9975 .0244 .0261 .0775 0 .0112 0 K .2789 0 .1378 .0025 .0244 .0261 .0775 0 .0112 0 Si1 .0081 .1784 .2233 .75 .0113 .0042 .0127 -.0011 .0053 -.0002 Al1 .0081 .1784 .2233 .25 .0113 .0042 .0127 -.0011 .0053 -.0002 Si2 .6959 .1163 .3420 .75 .0104 .0035 .0159 -.0005 .0047 -.0002 Al2 .6959 .1163 .3420 .25 .0104 .0035 .0159 -.0005 .0047 -.0002 Oa1 0 .1393 0 .0286 .0072 .0180 0 .0123 0 Oa2 .6063 0 .2835 .0142 .0038 .0262 0 .0052 0 Ob .8233 .1350 .2252 .0183 .0101 .0371 -.0036 .0163 .0002 Oc .0257 .3044 .2535 .0176 .0048 .0330 -.0019 .0085 -.0013 Od .1891 .1229 .4049 .0193 .0085 .0184 .0024 .0021 .0024