Burbankite Belovitskaya Yu V, Pekov I V, Kabalov Yu K Crystallography Reports 45 (2000) 26-29 Refinement of the crystal structures of low-rare-earth and "typical" burbankites by the Rietveld method Locality: Khibiny Massif, Kola Peninsula, Russia Sample: B-104 _database_code_amcsd 0012366 10.5263 10.5263 6.5392 90 90 120 P6_3mc atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) NaA .5230 .4770 .316 .620 1.5 .0042 .0042 .007 .0017 .0006 -.0006 CaA .5230 .4770 .316 .340 1.5 .0042 .0042 .007 .0017 .0006 -.0006 YA .5230 .4770 .316 .006 1.5 .0042 .0042 .007 .0017 .0006 -.0006 SrB .8430 .1570 0 .717 .89 .0025 .0025 .0067 .0011 -.0001 .0001 BaB .8430 .1570 0 .126 .89 .0025 .0025 .0067 .0011 -.0001 .0001 CaB .8430 .1570 0 .037 .89 .0025 .0025 .0067 .0011 -.0001 .0001 LaB .8430 .1570 0 .017 .89 .0025 .0025 .0067 .0011 -.0001 .0001 CeB .8430 .1570 0 .006 .89 .0025 .0025 .0067 .0011 -.0001 .0001 C1 .796 .204 .549 2.4 C2 0 0 .852 1.6 C3 1/3 2/3 .49 2.2 O1 .382 .087 .631 1.7 O2 .9292 .0708 .362 2.3 O3 .4048 .5952 .482 1.9 O4 .774 .226 .355 2.1