data_global
_chemical_name_mineral 'Mapiquiroite'
loop_
_publ_author_name
'Biagioni C'
'Orlandi P'
'Pasero M'
'Nestola F'
'Bindi L'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 26 
_journal_year 2014
_journal_page_first 427
_journal_page_last 437
_publ_section_title
;
 Mapiquiroite, (Sr,Pb)(U,Y)Fe2(Ti,Fe3+)18O38, a new member
 of the crichtonite group from the Apuan Alps, Tuscany, Italy
;
_database_code_amcsd 0020187
_chemical_compound_source 'Monte Arsiccio mine, Apuan Alps, Tuscany, Italy'
_chemical_formula_sum 'Sr.312 Pb.248 Na.019 Ca.014 La.009 U.858 Y.07 Ce.021 Mn.005 Fe6.682 Zn.304 Ti12.078 V.378 Al.036 Nb.036 Cr.018 Sn18 O38'
_cell_length_a 10.3854
_cell_length_b 10.3854
_cell_length_c 20.8942
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 1951.654
_exptl_crystal_density_diffrn     10.300
_symmetry_space_group_name_H-M 'R -3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
SrM0   0.00000   0.00000   0.00000   0.31200   0.02520
PbM0   0.00000   0.00000   0.00000   0.24800   0.02520
NaM0   0.00000   0.00000   0.00000   0.01900   0.02520
CaM0   0.00000   0.00000   0.00000   0.01400   0.02520
LaM0   0.00000   0.00000   0.00000   0.00900   0.02520
UM1   0.00000   0.00000   0.50000   0.85800   0.00600
YM1   0.00000   0.00000   0.50000   0.07000   0.00600
CeM1   0.00000   0.00000   0.50000   0.02100   0.00600
MnM1   0.00000   0.00000   0.50000   0.00500   0.00600
Fe3+M2   0.00000   0.00000   0.30916   0.84800   0.00600
ZnM2   0.00000   0.00000   0.30916   0.15200   0.00600
TiM3   0.18392   0.03759   0.16506   0.67100   0.00880
Fe3+M3   0.18392   0.03759   0.16506   0.27700   0.00880
V5+M3   0.18392   0.03759   0.16506   0.02100   0.00880
AlM3   0.18392   0.03759   0.16506   0.00200   0.00880
NbM3   0.18392   0.03759   0.16506   0.00200   0.00880
CrM3   0.18392   0.03759   0.16506   0.00100   0.00880
SnM3   0.18392   0.03759   0.16506   1.00000   0.00880
TiM4   0.08290   0.33044   0.60845   0.67100   0.00910
Fe3+M4   0.08290   0.33044   0.60845   0.27700   0.00910
V5+M4   0.08290   0.33044   0.60845   0.02100   0.00910
AlM4   0.08290   0.33044   0.60845   0.00200   0.00910
NbM4   0.08290   0.33044   0.60845   0.00200   0.00910
CrM4   0.08290   0.33044   0.60845   0.00100   0.00910
SnM4   0.08290   0.33044   0.60845   1.00000   0.00910
TiM5   0.07605   0.32015   0.39863   0.67100   0.00810
Fe3+M5   0.07605   0.32015   0.39863   0.27700   0.00810
V5+M5   0.07605   0.32015   0.39863   0.02100   0.00810
AlM5   0.07605   0.32015   0.39863   0.00200   0.00810
NbM5   0.07605   0.32015   0.39863   0.00200   0.00810
CrM5   0.07605   0.32015   0.39863   0.00100   0.00810
SnM5   0.07605   0.32015   0.39863   1.00000   0.00810
O1   0.13140   0.18780   0.56190   1.00000   0.01110
O2   0.71110   0.20590   0.44360   1.00000   0.01060
O3   0.35940   0.10170   0.55940   1.00000   0.00940
O4   0.59170   0.03180   0.55000   1.00000   0.01080
O5   0.05110   0.85690   0.33550   1.00000   0.00780
O6   0.36540   0.09850   0.33970   1.00000   0.00860
O7   0.00000   0.00000   0.21630   1.00000   0.00720