Slawsonite Benna P, Bruno E American Mineralogist 86 (2001) 690-696 Single-crystal in situ high-temperature structural investigation on strontium feldspar Sample T = 330 C Locality: synthetic _database_code_amcsd 0002654 8.399 12.963 14.266 90 115.39 90 I2/c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Sr .2722 -.0016 .0658 .035 .016 .046 .037 0 .005 -.003 AlT1(0) .0072 .1759 .1086 .19 .015 .014 .018 .013 -.004 .006 -.001 SiT1(0) .0072 .1759 .1086 .81 .015 .014 .018 .013 -.004 .006 -.001 AlT1(z) .0036 .1785 .6162 .81 .015 .014 .017 .013 -.004 .006 -.001 SiT1(z) .0036 .1785 .6162 .19 .015 .014 .017 .013 -.004 .006 -.001 AlT2(0) .6961 .1207 .1711 .76 .014 .012 .014 .016 -.001 .004 .000 SiT2(0) .6961 .1207 .1711 .24 .014 .012 .014 .016 -.001 .004 .000 AlT2(z) .6877 .1136 .6722 .14 .014 .011 .014 .016 -.002 .004 -.001 SiT2(z) .6877 .1136 .6722 .86 .014 .011 .014 .016 -.002 .004 -.001 OA(1) .0049 .1303 .0008 .024 .030 .029 .013 -.004 .011 -.003 OA(2) .5955 -.0003 .1432 .023 .013 .014 .036 -.001 .005 -.002 OB(0) .8282 .1278 .1070 .029 .025 .035 .034 -.010 .018 -.003 OB(z) .8107 .1284 .6117 .032 .025 .036 .042 -.007 .021 .002 OC(0) .0136 .2990 .1184 .028 .024 .022 .031 -.007 .006 -.004 OC(z) .0204 .3102 .6312 .028 .022 .019 .036 -.010 .007 -.006 OD(0) .1856 .1259 .1960 .032 .027 .041 .020 .005 .003 .007 OD(z) .1959 .1196 .7033 .029 .023 .033 .021 .002 -.000 .002