data_global
_chemical_name_mineral 'Bulachite'
loop_
_publ_author_name
'Grey I E'
'Yoruk E'
'Kodjikian S'
'Klein H'
'Bougerol C'
'Brand H E A'
'Bordet P'
'Mumme W G'
'Favreau G'
'Mills S J'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 84 
_journal_year 2020
_journal_page_first 608
_journal_page_last 615
_publ_section_title
;
 Bulachite, [Al6(AsO4)3(OH)9(H2O)4]*2H2O from Cap Garonne, France:
 Crystal structure and formation from a higher hydrate
 Note: T = 100 C
;
_database_code_amcsd 0020930
_chemical_compound_source 'Cap Garonne, France'
_chemical_formula_sum 'Al2 As O9 H7'
_cell_length_a 15.3994
_cell_length_b 17.6598
_cell_length_c 7.80827
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2123.462
_exptl_crystal_density_diffrn      2.627
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Al1   0.63320   0.06970   0.24420   0.03680
Al2   0.83990   0.09660   0.75370   0.03680
Al3   0.72070   0.16920   0.49730   0.03680
As1   0.82238   0.00925   0.38220   0.03680
As2   0.90590   0.25000   0.58250   0.03680
O01   0.72740  -0.00610   0.28580   0.01800
O02   0.89990   0.01890   0.23480   0.01800
O03   0.81610   0.08860   0.49990   0.01800
O04   0.84610  -0.06410   0.50950   0.01800
O05   0.80440   0.25000   0.50860   0.01800
O06   0.97520   0.25000   0.41840   0.01800
O07   0.92210   0.17266   0.70210   0.01800
O-H1   0.70920   0.15200   0.24900   0.01800
O-H2   0.63040   0.09440   0.48240   0.01800
O-H3   0.92540   0.02090   0.77300   0.01800
O-H4   0.73900   0.15420   0.74300   0.01800
O-H5   0.63880   0.25000   0.50800   0.01800
Watw1   0.52340   0.11320   0.22800   0.01800
Watw2   0.84070   0.11160   0.99390   0.01800
Wat1   0.93000   0.25000   0.01800   0.06900
Wat2   0.36523   0.75000   0.01870   0.06900