data_global
_chemical_name_mineral 'Volaschioite'
loop_
_publ_author_name
'Biagioni C'
'Bonaccorsi E'
'Orlandi P'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 49 
_journal_year 2011
_journal_page_first 605
_journal_page_last 614
_publ_section_title
;
 Volaschioite, Fe3+4(SO4)O2(OH)6*2H20, a new mineral species
 from Fornovolasco, Apuan Alps, Tuscany, Italy
;
_database_code_amcsd 0018472
_chemical_compound_source 'Fornovolasco, Tuscany, Italy'
_chemical_formula_sum 'Fe2 S.5 O7 H5'
_cell_length_a 16.068
_cell_length_b 3.058
_cell_length_c 10.929
_cell_angle_alpha 90
_cell_angle_beta 93.82
_cell_angle_gamma 90
_cell_volume 535.814
_exptl_crystal_density_diffrn      3.034
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-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
Fe1   0.29710   0.00000   0.39270   1.00000   0.01400
Fe2   0.22640   0.50000   0.12510   1.00000   0.01400
S   0.49060   0.00000   0.29830   0.50000   0.02200
O1   0.27440   0.50000   0.28880   1.00000   0.01900
O2   0.54050   0.60500   0.32450   0.50000   0.03100
O-H3   0.15110   0.00000   0.14230   1.00000   0.02000
O-H4   0.18600   0.00000   0.47320   1.00000   0.01700
O5   0.42280   0.00000   0.38720   0.50000   0.03400
Wat5   0.42280   0.00000   0.38720   0.50000   0.03400
O-H6   0.30140   0.00000   0.06700   1.00000   0.02100
O7   0.45990   0.00000   0.17000   0.50000   0.03100
Wat7   0.47000   0.00000   0.08100   0.50000   0.06300