Vishnevite
Hassan I, Grundy H D
The Canadian Mineralogist 22 (1984) 333-349
The character of the cancrinite-vishnevite solid-solution series
_database_code_amcsd 0005197
12.685 12.685 5.179 90 90 120 P6_3
atom     x     y     z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
O1   .2017 .4049 .6698            .0129  .0247  .0167  .0123  .0019  .0027
O2   .1175 .5527 .7278            .0227  .0133  .0314  .0106  .0030  .0013
O3   .0406 .3599 .0393            .0141  .0259  .0104  .0085  .0037  .0043
O4   .3255 .3522 .0561            .0221  .0265  .0093  .0171 -.0001  .0033
SiT1 .3380 .4137 .7506            .0089  .0102  .0081  .0057  .0004  .0011
AlT2 .0831 .4124 .7500            .0077  .0104  .0081  .0048  .0004  .0011
O51  .0615 .1133 .6725 .24 .0346  .0356
O52  .0496 .1090 .9541 .24 .0637  .0637
S        0     0 .2918 .24 .0489  .0489
O7       0     0 .0737 .24 .0454  .0454
O6   .6184 .3043 .6893 .33 .0564  .0598  .0818  .0278  .0354  .0051  .0058
Na1    2/3   1/3 .1272            .0253  .0253  .0566  .0127      0      0
Na2  .1319 .2611 .2885 .75        .0472  .1326  .0305  .0678 -.0070 -.0133
K2   .1319 .2611 .2885 .17        .0472  .1326  .0305  .0678 -.0070 -.0133
Ca2  .1319 .2611 .2885 .02        .0472  .1326  .0305  .0678 -.0070 -.0133