data_9000790
_chemical_name 'Wonesite'
loop_
_publ_author_name
'Spear F S'
'Hazen R M'
'Rumble D'
_journal_name_full "American Mineralogist"
_journal_volume 66
_journal_year 1981
_journal_page_first 100
_journal_page_last 105
_publ_section_title
;
 Wonesite: A new rock-forming silicate from the Post Pond Volcanics, Vermont
;
_chemical_formula_sum 'Na.55 (Mg2.58 Fe.42) (Si3.2 Al.8) O12'
_cell_length_a 5.312
_cell_length_b 9.163
_cell_length_c 9.825
_cell_angle_alpha 90
_cell_angle_beta 103.18
_cell_angle_gamma 90
_cell_volume 465.624
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_symmetry_equiv_pos_as_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_Uiso_or_equiv
Na   0.00000   0.00000   0.00000   0.55000   0.03800
Mg1   0.00000   0.50000   0.50000   0.86000   0.01013
Fe1   0.00000   0.50000   0.50000   0.14000   0.01013
Mg2   0.00000   0.83000   0.50000   0.86000   0.01013
Fe2   0.00000   0.83000   0.50000   0.14000   0.01013
Si   0.58000   0.17000   0.22500   0.80000   0.01013
Al   0.58000   0.17000   0.22500   0.20000   0.01013
O1   0.82000   0.23000   0.15800   1.00000   0.02153
O2   0.52000   0.00000   0.15800   1.00000   0.02153
O3   0.63000   0.17000   0.39300   1.00000   0.01520
O4   0.13000   0.00000   0.39300   1.00000   0.01520