data_global
_chemical_name_mineral 'Johachidolite'
loop_
_publ_author_name
'Moore P B'
'Araki T'
_journal_name_full 'Nature Physical Science'
_journal_volume 240 
_journal_year 1972
_journal_page_first 63
_journal_page_last 65
_publ_section_title
;
 Johachidolite, CaAl[B3O7], a borate with very dense atomic structure
;
_database_code_amcsd 0014687
_chemical_compound_source 'Johachido, North Korea'
_chemical_formula_sum 'Ca Al B3 O7'
_cell_length_a 7.970
_cell_length_b 11.722
_cell_length_c 4.374
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 408.638
_exptl_crystal_density_diffrn      3.438
_symmetry_space_group_name_H-M 'C m m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  '1/2+x,-y,z'
  '+x,1/2-y,z'
  '1/2-x,y,-z'
  '-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'
  '1/2+x,y,-z'
  '+x,1/2+y,-z'
  '1/2-x,-y,z'
  '-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_U_iso_or_equiv
Ca   0.25000   0.25000   0.00000   0.00988
Al   0.00000   0.00000   0.00000   0.00633
B1   0.25000   0.00000   0.50000   0.00633
B2   0.00000   0.13650   0.45710   0.00760
O1   0.00000   0.25000   0.32890   0.00722
O2   0.00000   0.13110  -0.22310   0.00773
O3   0.14660   0.07310   0.29900   0.00709