Slawsonite Benna P, Bruno E American Mineralogist 86 (2001) 690-696 Single-crystal in situ high-temperature structural investigation on strontium feldspar Sample T = 510 C Locality: synthetic _database_code_amcsd 0002655 8.414 12.970 14.280 90 115.34 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 .2738 -.0014 .0659 .045 .021 .058 .047 0 .007 -.003 AlT1(0) .0072 .1764 .1085 .19 .019 .018 .023 .016 -.004 .007 -.001 SiT1(0) .0072 .1764 .1085 .81 .019 .018 .023 .016 -.004 .007 -.001 AlT1(z) .0039 .1789 .6162 .81 .019 .019 .021 .017 -.005 .008 -.002 SiT1(z) .0039 .1789 .6162 .19 .019 .019 .021 .017 -.005 .008 -.002 AlT2(0) .6972 .1211 .1714 .76 .019 .014 .019 .020 -.002 .006 -.000 SiT2(0) .6972 .1211 .1714 .24 .019 .014 .019 .020 -.002 .006 -.000 AlT2(z) .6886 .1137 .6723 .14 .018 .014 .017 .021 -.001 .005 -.001 SiT2(z) .6886 .1137 .6723 .86 .018 .014 .017 .021 -.001 .005 -.001 OA(1) .0044 .1313 .0006 .030 .038 .035 .018 .000 .014 -.002 OA(2) .5977 -.0002 .1434 .030 .018 .018 .047 -.000 .006 -.001 OB(0) .8282 .1292 .1069 .038 .031 .047 .043 -.008 .023 -.002 OB(z) .8118 .1291 .6120 .040 .031 .047 .050 -.011 .025 .001 OC(0) .0141 .3001 .1186 .034 .030 .028 .039 -.009 .010 -.004 OC(z) .0216 .3104 .6321 .035 .027 .026 .046 -.012 .010 -.008 OD(0) .1843 .1262 .1959 .041 .035 .054 .023 .006 .002 .005 OD(z) .1960 .1199 .7034 .037 .030 .043 .024 .005 -.000 .002