data_9002886
_chemical_name 'Gatelite-(Ce)'
loop_
_publ_author_name
'Bonazzi P'
'Bindi L'
'Parodi G C'
_journal_name_full "American Mineralogist"
_journal_volume 88
_journal_year 2003
_journal_page_first 223
_journal_page_last 228
_publ_section_title
;
 Gatelite-(Ce), a new REE-bearing mineral from Trimouns, French Pyrenees:
 Crystal structure and polysomatic relationships with epidote and
 tornebohmite-(Ce)
;
_chemical_formula_sum 'Ca1.11 Ce2.89 Al3.11 Mg.54 Fe.35 Si5 O22 H2'
_cell_length_a 17.770
_cell_length_b 5.651
_cell_length_c 17.458
_cell_angle_alpha 90
_cell_angle_beta 116.18
_cell_angle_gamma 90
_cell_volume 1573.256
_symmetry_space_group_name_H-M 'P 1 21/a 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_Uiso_or_equiv
CaA1   0.36462   0.25491   0.41008   1.00000   0.01080
CeA2   0.44606   0.23572   0.25014   0.98000   0.00750
CaA2   0.44606   0.23572   0.25014   0.02000   0.00750
CeA3   0.36921   0.28197   0.00984   0.96000   0.00970
CaA3   0.36921   0.28197   0.00984   0.04000   0.00970
CeA4   0.03878   0.74136   0.16607   0.95000   0.00780
CaA4   0.03878   0.74136   0.16607   0.05000   0.00780
AlM1   0.24970   0.49720   0.50050   0.80000   0.01020
MgM1   0.24970   0.49720   0.50050   0.20000   0.01020
AlM2a   0.24000   0.49930   0.20300   1.00000   0.00580
AlM2b   0.24020   0.00030   0.20640   1.00000   0.00570
FeM3   0.09870   0.75000   0.37690   0.35000   0.01080
MgM3   0.09870   0.75000   0.37690   0.34000   0.01080
AlM3   0.09870   0.75000   0.37690   0.31000   0.01080
Si1   0.08070   0.24790   0.47650   1.00000   0.00640
Si2   0.40230   0.74960   0.33500   1.00000   0.00530
Si3   0.15210   0.24670   0.31270   1.00000   0.00550
Si4   0.33500   0.73810   0.10310   1.00000   0.00570
Si5   0.07710   0.25050   0.07720   1.00000   0.00590
O1a   0.13220   0.49030   0.48070   1.00000   0.01010
O1b   0.36780   0.50520   0.52110   1.00000   0.01210
O2a   0.08990   0.47330   0.29040   1.00000   0.01120
O2b   0.08970   0.02150   0.28930   1.00000   0.01040
O3a   0.34500   0.98760   0.29930   1.00000   0.00960
O3b   0.34720   0.51180   0.29540   1.00000   0.00780
O4   0.22240   0.74710   0.42420   1.00000   0.00870
O5   0.22580   0.24610   0.41260   1.00000   0.00940
O6   0.20830   0.25300   0.25870   1.00000   0.00720
O7  -0.01010   0.24969   0.39760   1.00000   0.01730
O8  -0.02240   0.73239   0.31000   1.00000   0.01510
O9   0.43490   0.74000   0.43800   1.00000   0.01470
O10   0.27890   0.24830   0.16140   1.00000   0.00720
O11   0.20190   0.74750   0.24900   1.00000   0.00890
O12   0.26920   0.75440   0.14710   1.00000   0.00750
O13   0.13470   0.49280   0.10580   1.00000   0.00890
O14   0.39170   0.97580   0.12460   1.00000   0.00890
O15   0.27580   0.67110   0.00460   1.00000   0.01150
O16   0.13350   0.01080   0.11450   1.00000   0.00910
O17   0.03230   0.21780  -0.02430   1.00000   0.02340
O18   0.40320   0.52300   0.14110   1.00000   0.00930
O19   0.01050   0.27530   0.11570   1.00000   0.01650
H1   0.21000   0.75000   0.31000   1.00000   0.06000
H2   0.25000   0.28000   0.10000   1.00000   0.04000