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