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: III
_database_code_amcsd 0006064
5.5492 5.5492 7.0286 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 .88 .0405  .0535  .0535  .0145  .0268      0      0
SrM1     0     0     .5 .12 .0405  .0535  .0535  .0145  .0268      0      0
NaM2   1/3   2/3 .16315 .62 .0223  .0247  .0247  .0177  .0123      0      0
SrM2   1/3   2/3 .16315 .33 .0223  .0247  .0247  .0177  .0123      0      0
CeM2   1/3   2/3 .16315 .03 .0223  .0247  .0247  .0177  .0123      0      0
LaM2   1/3   2/3 .16315 .02 .0223  .0247  .0247  .0177  .0123      0      0
NaM3     0     0      0 .96 .0165   .017  .0173  .0149  .0087      0      0
CaM3     0     0      0 .04 .0165   .017  .0173  .0149  .0087      0      0
P      1/3   2/3  .7173     .0142  .0150  .0150  .0126  .0075      0      0
O1   .3706 .1853  .2048     .0428  .0255  .0499  .0448  .0127 -.0194 -.0097
O2     1/3   2/3  .5023     .0365   .047   .047   .016  .0234      0      0