Levyne-Ca
Sacerdoti M
Neues Jahrbuch fur Mineralogie, Monatshefte 1996 (1996) 114-124
New refinements of the crystal structure of levyne using twinned crystals
Locality: Dunseverick, Atrum, Northern Ireland
Sample: 22
_database_code_amcsd 0014885
13.409 13.409 22.6429 90 90 120 R-3m
atom     x     y      z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1      0     0  .1415   .83 .0262  .0271  .0271  .0244  .0135      0      0
Na3      0     0  .4195   .52  .104
Na5      0     0     .5   .32  .065
AlT1 .0005 .2306  .0706 .3482 .0118  .0106  .0122  .0114  .0049 -.0010 -.0015
SiT1 .0005 .2306  .0706 .6518 .0118  .0106  .0122  .0114  .0049 -.0010 -.0015
AlT2 .2388     0     .5 .3482 .0093  .0075  .0084  .0124  .0042  .0008  .0017
SiT2 .2388     0     .5 .6518 .0093  .0075  .0084  .0124  .0042  .0008  .0017
O1   .0355 .3507  .1071       .0234  .0318  .0182  .0212  .0133 -.0045 -.0064
O2   .0912 .1825  .0848       .0246  .0253  .0298  .0202  .0149 -.0001 -.0003
O3   .1289 .2578 -.0928       .0238  .0171  .0397  .0222  .0198  .0019  .0038
O4   .2592     0      0       .0246  .0249  .0335  .0182  .0168  .0007  .0015
O5   .2217 .4435  .1798       .0259  .0194  .0360  .0279  .0180 -.0016 -.0032
Wat1 .1528 .0764  .2134        .059
Wat2 .1321 .2642  .2685   .55  .085
Wat3 .1692 .0846  .3350   .36  .078
Wat6 .1521 .3041  .3583   .34  .109
Wat7  .145 .1617  .3193   .24  .158