data_global
_chemical_name_mineral 'Sakhaite'
loop_
_publ_author_name
'Yakubovich O V'
'Egorov-Tismenko Y K'
'Simonov M A'
'Belov N V'
_journal_name_full 'Doklady Akademii Nauk SSSR'
_journal_volume 239 
_journal_year 1978
_journal_page_first 1103
_journal_page_last 1106
_publ_section_title
;
 Crystal structure of natural sakhaite Ca3Mg[BO3]2[CO3]*0.36H2O
;
_database_code_amcsd 0012459
_chemical_formula_sum 'Ca6 Mg2 B4 C2 O18.75 H1.5'
_cell_length_a 14.685
_cell_length_b 14.685
_cell_length_c 14.685
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 3166.809
_exptl_crystal_density_diffrn      2.760
_symmetry_space_group_name_H-M 'F 41 3 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  '-z,1/2+x,1/2-y'
  '-z,+x,-y'
  '1/2-z,1/2+x,-y'
  '1/2-z,+x,1/2-y'
  '-y,1/2+z,1/2-x'
  '-y,+z,-x'
  '1/2-y,1/2+z,-x'
  '1/2-y,+z,1/2-x'
  '-x,1/2+y,1/2-z'
  '-x,+y,-z'
  '1/2-x,1/2+y,-z'
  '1/2-x,+y,1/2-z'
  '3/4-x,3/4+z,1/4+y'
  '3/4-x,1/4+z,3/4+y'
  '1/4-x,3/4+z,3/4+y'
  '1/4-x,1/4+z,1/4+y'
  '3/4-z,3/4+y,1/4+x'
  '3/4-z,1/4+y,3/4+x'
  '1/4-z,3/4+y,3/4+x'
  '1/4-z,1/4+y,1/4+x'
  '3/4-y,3/4+x,1/4+z'
  '3/4-y,1/4+x,3/4+z'
  '1/4-y,3/4+x,3/4+z'
  '1/4-y,1/4+x,1/4+z'
  '1/4-x,3/4-z,3/4-y'
  '1/4-x,1/4-z,1/4-y'
  '3/4-x,3/4-z,1/4-y'
  '3/4-x,1/4-z,3/4-y'
  '1/4-z,3/4-y,3/4-x'
  '1/4-z,1/4-y,1/4-x'
  '3/4-z,3/4-y,1/4-x'
  '3/4-z,1/4-y,3/4-x'
  '1/4-y,3/4-x,3/4-z'
  '1/4-y,1/4-x,1/4-z'
  '3/4-y,3/4-x,1/4-z'
  '3/4-y,1/4-x,3/4-z'
  '-z,1/2-x,1/2+y'
  '-z,-x,+y'
  '1/2-z,1/2-x,+y'
  '1/2-z,-x,1/2+y'
  '-y,1/2-z,1/2+x'
  '-y,-z,+x'
  '1/2-y,1/2-z,+x'
  '1/2-y,-z,1/2+x'
  '-x,1/2-y,1/2+z'
  '-x,-y,+z'
  '1/2-x,1/2-y,+z'
  '1/2-x,-y,1/2+z'
  'z,-x,-y'
  'z,1/2-x,1/2-y'
  '1/2+z,-x,1/2-y'
  '1/2+z,1/2-x,-y'
  'y,-z,-x'
  'y,1/2-z,1/2-x'
  '1/2+y,-z,1/2-x'
  '1/2+y,1/2-z,-x'
  'x,-y,-z'
  'x,1/2-y,1/2-z'
  '1/2+x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  '1/4+x,3/4-z,3/4+y'
  '1/4+x,1/4-z,1/4+y'
  '3/4+x,3/4-z,1/4+y'
  '3/4+x,1/4-z,3/4+y'
  '1/4+z,3/4-y,3/4+x'
  '1/4+z,1/4-y,1/4+x'
  '3/4+z,3/4-y,1/4+x'
  '3/4+z,1/4-y,3/4+x'
  '1/4+y,3/4-x,3/4+z'
  '1/4+y,1/4-x,1/4+z'
  '3/4+y,3/4-x,1/4+z'
  '3/4+y,1/4-x,3/4+z'
  '3/4+x,3/4+z,1/4-y'
  '3/4+x,1/4+z,3/4-y'
  '1/4+x,3/4+z,3/4-y'
  '1/4+x,1/4+z,1/4-y'
  '3/4+z,3/4+y,1/4-x'
  '3/4+z,1/4+y,3/4-x'
  '1/4+z,3/4+y,3/4-x'
  '1/4+z,1/4+y,1/4-x'
  '3/4+y,3/4+x,1/4-z'
  '3/4+y,1/4+x,3/4-z'
  '1/4+y,3/4+x,3/4-z'
  '1/4+y,1/4+x,1/4-z'
  'z,x,y'
  'z,1/2+x,1/2+y'
  '1/2+z,x,1/2+y'
  '1/2+z,1/2+x,y'
  'y,z,x'
  'y,1/2+z,1/2+x'
  '1/2+y,z,1/2+x'
  '1/2+y,1/2+z,x'
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
Ca   0.24890   0.00000   0.00000   1.00000   0.01950
Mg   0.12500   0.12500   0.12500   1.00000   0.00253
B   0.35100   0.35100   0.35100   1.00000   0.01267
C   0.63600   0.63600   0.63600   0.50000   0.02533
O1   0.15700   0.04500   0.63400   0.50000   0.03420
O2   0.26500   0.11800   0.12700   1.00000   0.02153
Wat3   0.00000   0.50000   0.00000   0.75000   0.11399