data_3000128
loop_
_publ_author_name
'Mario Tribaudino'
_journal_name_full               'To be published in mineralogical magazine'
_chemical_formula_sum
'Al0.03 Ca0.12 Cr0.03 Fe0.25 Mg1.56 Mn0.01 Na0 O6 Si2'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.470(15)
_cell_angle_gamma                90
_cell_length_a                   9.675(2)
_cell_length_b                   8.869(3)
_cell_length_c                   5.2170(10)
_cell_measurement_temperature    293(2)
_cell_volume                     424.60(19)
_diffrn_ambient_temperature      293(2)
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_R_factor_all          0.0644
_refine_ls_R_factor_gt           0.0420
_refine_ls_wR_factor_gt          0.1133
_refine_ls_wR_factor_ref         0.1266
_cod_database_code               3000128
_cod_hold_until_date             2017-07-17
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
? ? ? ?
