data_global
_chemical_name_mineral 'Gageite'
loop_
_publ_author_name
'Moore P B'
_journal_name_full 'American Mineralogist'
_journal_volume 54 
_journal_year 1969
_journal_page_first 1005
_journal_page_last 1017
_publ_section_title
;
 A novel octahedral framework structure: gageite
;
_database_code_amcsd 0000192
_chemical_formula_sum 'Mg2.01 Mn4.99 Si2 O15 H10'
_cell_length_a 13.79
_cell_length_b 13.68
_cell_length_c 3.279
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 618.574
_exptl_crystal_density_diffrn      3.378
_symmetry_space_group_name_H-M 'P n n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  'x,y,-z'
  '-x,-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_U_iso_or_equiv
Mg1   0.00000   0.00000   0.50000   0.83000   0.00532
Mn1   0.00000   0.00000   0.50000   0.17000   0.00532
Mg2   0.33820   0.38470   0.50000   0.59000   0.01026
Mn2   0.33820   0.38470   0.50000   0.41000   0.01026
Mn3   0.42270   0.15200   0.00000   1.00000   0.01469
Mn4   0.10130   0.44930   0.00000   1.00000   0.01001
Si1   0.21110   0.09740   0.50000   0.50000   0.00405
Si2   0.06840   0.19520   0.00000   0.50000   0.00215
O1   0.50000   0.00000   0.00000   1.00000   0.01925
O-H2   0.33160   0.09400   0.50000   1.00000   0.01988
O-H3   0.34110   0.28600   0.00000   1.00000   0.00950
O-H4   0.49010   0.40290   0.50000   0.50000   0.01900
O-H5   0.35050   0.48950   0.00000   1.00000   0.01608
O-H6   0.18790   0.39040   0.50000   1.00000   0.00975
O-H7   0.01760   0.30600   0.00000   0.50000   0.01621
O8   0.15560   0.17990   0.32300   0.50000   0.00367
O9   0.19280   0.14750   0.02400   0.50000   0.01646