Tisinalite
Yamnova N A, Egorov-Tismenko Y K, Pekov I V, Shchegol'kova L V
Crystallography Reports 48 (2003) 551-556
Crystal structure of tisinalite Na2(Mn,Ca)1-x(Ti,Zr,Nb,Fe3+)[Si6O8(O,OH)10]
Locality: Khibiny massif, Kola Peninsula, Russia
_database_code_amcsd 0012385
10.036 10.036 12.876 90 90 120 P-3
atom        x      y      z occ  Uiso
NaA1       .5     .0     .5 .68 .0205
NaA2    .3352  .1681  .1647 .70 .0473
MnC1      1/3    2/3  .9174 .23  .073
CaC1      1/3    2/3  .9174 .08  .073
MnC2      1/3    2/3  .4228 .17  .029
CaC2      1/3    2/3  .4228 .09  .029
MnC3        0      0  .7570 .23  .047
CaC3        0      0  .7570 .02  .047
TiM1        0      0      0 .64 .0350
Fe3+M1      0      0      0 .36 .0350
TiM2      1/3    2/3  .6667 .38 .0189
ZrM2      1/3    2/3  .6667 .21 .0189
NbM2      1/3    2/3  .6667 .20 .0189
Si1     .6385 .81932  .1032     .0314
Si2     .8487  .6975  .4349     .0296
Si3     .9701  .4849  .7679     .0281
O1      .9118  .8194  .9092      .066
O2      .5138  .7612  .5758      .054
O3      .5681  .1517  .2440      .065
OH4     .8967  .7853  .3252      .077
OH5     .8858  .4408  .6573      .073
OH6     .5509  .7757 -.0069      .064
O7      .7391  .7398  .5004      .076
O8     -.0746  .3356  .8344      .082
O9      .5874  .6641  .1672      .082