data_global
_chemical_name_mineral 'Pyrosmalite-(Mn)'
loop_
_publ_author_name
'Takeuchi Y'
'Kawada I'
'Irimaziri S'
'Sadanaga R'
_journal_name_full 'Mineralogical Journal'
_journal_volume 5 
_journal_year 1969
_journal_page_first 450
_journal_page_last 467
_publ_section_title
;
 The crystal structure and polytypism of manganpyrosmalite
;
_database_code_amcsd 0018490
_chemical_compound_source 'Kyurazawa mine, Tochigi Prefecture, Japan'
_chemical_formula_sum 'Mn8 Si6 O25 H10'
_cell_length_a 13.42
_cell_length_b 13.42
_cell_length_c 7.159
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 1116.575
_exptl_crystal_density_diffrn      3.028
_symmetry_space_group_name_H-M 'P -3 m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,-x+y,-z'
  '-x,-x+y,-z'
  '-x+y,-x,z'
  '-x+y,y,z'
  '-x,-y,-z'
  'y,x,-z'
  '-y,x-y,z'
  'x,x-y,z'
  'x-y,x,-z'
  'x-y,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mn1   0.00000   0.00000   0.00000   0.04395
Mn2   0.25610   0.00000   0.00000   0.02520
Mn3   0.50000   0.00000   0.00000   0.03154
Mn4   0.51160   0.25580   0.03760   0.02647
Si   0.44020   0.10840   0.62130   0.01165
O1   0.32940   0.00000   0.50000   0.02381
O2   0.56700   0.13400   0.55350   0.00241
O3   0.42950   0.21470   0.57760   0.01418
O4   0.39390   0.07500   0.84620   0.01583
O-H1   0.18060   0.09030   0.77330   0.00899
O-H2   0.34740   0.17370   0.10690   0.02482
O-H3   0.56700   0.13400   0.18940   0.04509
O-H4   0.66667   0.33333   0.77130   0.05598