Albite Prewitt C T, Sueno S, Papike J J American Mineralogist 61 (1976) 1213-1225 The crystal structures of high albite and monalbite at high temperatures T = 950 deg C feldspar Locality: synthetic _database_code_amcsd 0000540 8.2508 12.9489 7.1431 91.161 116.169 90.030 C-1 atom x y z occ Biso Na .2780 .0019 .1371 .983 11.66 Ca .2780 .0019 .1371 .012 11.66 K .2780 .0019 .1371 .005 11.66 Si1o .0086 .1746 .2210 .75 2.17 Al1o .0086 .1746 .2210 .25 2.17 Si1m .0072 .8194 .2253 .75 2.16 Al1m .0072 .8194 .2253 .25 2.16 Si2o .6951 .1141 .3363 .75 2.20 Al2o .6951 .1141 .3363 .25 2.20 Si2m .6938 .8820 .3465 .75 2.21 Al2m .6938 .8820 .3465 .25 2.21 Oa1 .0016 .1380 .9952 3.98 Oa2 .6033 .9971 .2831 3.22 Obo .8226 .1282 .2169 4.52 Obm .8222 .8593 .2323 4.75 Oco .0239 .3005 .2619 3.79 Ocm .0247 .6933 .2455 3.89 Odo .1894 .1198 .4001 4.07 Odm .1881 .8736 .4117 4.13