Hilairite-(Rb)
Zubkova N V, Kolitsch U, Pekov I V, Turchkova A G, Vigasina M F, Pushcharovsky D Y, Tillmanns E
European Journal of Mineralogy 21 (2009) 495-506
Crystal chemistry of Rb-, Sr-, Ba-, Ca- and Pb-exchanged forms of natural hilairite
Locality: Kirovskii  mine, Khibiny alkaline complex, Kola Peninsula, Russia
Note: sample was synthesized by cation exchange at 150 C
_database_code_amcsd 0007281
10.477 10.477 15.377 90 90 120 R3
atom      x      y       z  occ   Uiso
Rb1      .0     .0 -.06577      .03552
Rb2   .3340 .89493  .10497 .870  .0378
Na2   .3340 .89493  .10497 .130  .0378
Zr1      .0     .0  .19048      .01237
Zr2     1/3    2/3  .33918      .01029
Si1   .3408 .23028  .10909       .0193
Si2  .05776  .7287  .27305       .0215
O1    .1878  .0765   .1134       .0253
O2    .2094  .7260   .2641       .0253
O3    .1112  .1867   .2674       .0249
O4    .4019  .8530   .4176       .0149
O5    .9380  .6203   .2036       .0277
O6    .3239  .3386   .0411       .0305
Wat    .733   .741   -.049  .23   .051