Slawsonite
Benna P, Bruno E
American Mineralogist 86 (2001) 690-696
Single-crystal in situ high-temperature structural investigation
on strontium feldspar
Sample T = 670 C
Locality: synthetic
_database_code_amcsd 0002656
8.428 12.975 14.291 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      .2746 -.0013 .0660     .050   .022   .066   .054   .000   .008  -.004
AlT1(0) .0072  .1770 .1086 .19 .021   .020   .025   .019  -.005   .009  -.001
SiT1(0) .0072  .1770 .1086 .81 .021   .020   .025   .019  -.005   .009  -.001
AlT1(z) .0039  .1790 .6164 .81 .022   .021   .024   .019  -.005   .008  -.001
SiT1(z) .0039  .1790 .6164 .19 .022   .021   .024   .019  -.005   .008  -.001
AlT2(0) .6975  .1213 .1715 .76 .021   .017   .020   .024  -.002   .007  -.002
SiT2(0) .6975  .1213 .1715 .24 .021   .017   .020   .024  -.002   .007  -.002
AlT2(z) .6893  .1136 .6725 .14 .020   .015   .019   .023  -.001   .005   .000
SiT2(z) .6893  .1136 .6725 .86 .020   .015   .019   .023  -.001   .005   .000
OA(1)   .0052  .1319 .0010     .033   .038   .044   .021  -.007   .015  -.008
OA(2)   .5995 -.0005 .1437     .034   .022   .019   .054  -.000   .009  -.003
OB(0)   .8294  .1305 .1068     .042   .036   .048   .052  -.016   .030  -.006
OB(z)   .8107  .1281 .6122     .044   .028   .054   .056  -.009   .024   .005
OC(0)   .0139  .3006 .1186     .037   .032   .030   .044  -.009   .010  -.006
OC(z)   .0229  .3106 .6325     .040   .031   .030   .054  -.016   .012  -.007
OD(0)   .1838  .1265 .1964     .046   .038   .059   .027   .004   .002   .005
OD(z)   .1963  .1203 .7027     .040   .031   .049   .030   .008   .002   .003