Olgite
Sokolova E, Hawthorne F C, Khomyakov A P
The Canadian Mineralogist 43 (2005) 1521-1526
Refinement of the crystal structure and revision of the
chemical formula of olgite: (Ba,Sr) (Na,Sr,REE)2 Na [PO4]2
Locality: Lovozero alkaline massif, Kola Peninsula, Russia
Sample: I
_database_code_amcsd 0006063
5.5606 5.5606 7.0450 90 90 120 P-3m1
atom     x      y     z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
BaM1     0      0    .5  .76 .0362  .0472  .0472  .0140  .0236      0      0
SrM1     0      0    .5  .20 .0362  .0472  .0472  .0140  .0236      0      0
KM1      0      0    .5  .04 .0362  .0472  .0472  .0140  .0236      0      0
NaM2   1/3    2/3 .1634 .575 .0210  .0228  .0228  .0174  .0114      0      0
SrM2   1/3    2/3 .1634  .34 .0210  .0228  .0228  .0174  .0114      0      0
LaM2   1/3    2/3 .1634  .05 .0210  .0228  .0228  .0174  .0114      0      0
CaM2   1/3    2/3 .1634  .02 .0210  .0228  .0228  .0174  .0114      0      0
CeM2   1/3    2/3 .1634  .01 .0210  .0228  .0228  .0174  .0114      0      0
NaM3     0      0     0  .97 .0145  .0155  .0155  .0125  .0078      0      0
MnM3     0      0     0  .03 .0145  .0155  .0155  .0125  .0078      0      0
P      2/3    1/3 .2818      .0131  .0135  .0135  .0123  .0068      0      0
O1   .3703 .18515 .2039      .0392  .0235  .0453  .0415  .0117 -.0171 -.0085
O2     2/3    1/3 .4969      .0345   .044   .044   .015  .0222      0      0