data_global
_chemical_name_mineral 'Holmquistite'
loop_
_publ_author_name
'Camara F'
'Oberti R'
_journal_name_full 'American Mineralogist'
_journal_volume 90 
_journal_year 2005
_journal_page_first 1167
_journal_page_last 1176
_publ_section_title
;
 The crystal-chemistry of holmquistites: Ferroholmquistite from
 Greenbushes (Western Australia) and
 hints for compositional constraints in B-Li amphiboles
 Sample: Siberia
;
_database_code_amcsd 0003814
_chemical_formula_sum 'Mg1.89 Fe1.2 Mn.01 Al1.98 Li1.71 Na.03 Si7.98 O24 F.02 H3.96'
_cell_length_a 18.277
_cell_length_b 17.646
_cell_length_c 5.2792
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1702.626
_exptl_crystal_density_diffrn      3.088
_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_occupancy
_atom_site_U_iso_or_equiv
Mg1   0.12520   0.15890   0.39430   0.65500   0.00700
Fe1   0.12520   0.15890   0.39430   0.34000   0.00700
Mn1   0.12520   0.15890   0.39430   0.00500   0.00700
Al2   0.12530   0.06880  -0.10410   0.98000   0.00700
Fe2   0.12530   0.06880  -0.10410   0.02000   0.00700
Mg3   0.12530   0.25000  -0.10600   0.53000   0.00700
Fe3   0.12530   0.25000  -0.10600   0.47000   0.00700
Li4   0.12390  -0.00910   0.39860   0.85500   0.01800
Mg4   0.12390  -0.00910   0.39860   0.02500   0.01800
Na4   0.12390  -0.00910   0.39860   0.01500   0.01800
Fe4   0.12390  -0.00910   0.39860   0.00500   0.01800
Si1A   0.26960   0.16190   0.06740   0.99500   0.00600
Al1A   0.26960   0.16190   0.06740   0.00500   0.00600
Si1B  -0.01910   0.16240   0.72310   0.99500   0.00600
Al1B  -0.01910   0.16240   0.72310   0.00500   0.00600
Si2A   0.27350   0.07590   0.57360   1.00000   0.00600
Si2B  -0.02420   0.07700   0.21440   1.00000   0.00600
O1A   0.18060   0.15610   0.04990   1.00000   0.00700
O1B   0.06980   0.15600   0.73850   1.00000   0.00700
O2A   0.18440   0.07530   0.59270   1.00000   0.00800
O2B   0.06520   0.07480   0.19730   1.00000   0.00800
O-H3A   0.18220   0.25000   0.55300   0.99000   0.00900
F3A   0.18220   0.25000   0.55300   0.01000   0.00900
O-H3B   0.06890   0.25000   0.23500   0.99000   0.00900
F3B   0.06890   0.25000   0.23500   0.01000   0.00900
O4A   0.31260  -0.00420   0.56180   1.00000   0.01000
O4B  -0.06490  -0.00140   0.26800   1.00000   0.00900
O5A   0.30560   0.11470  -0.16460   1.00000   0.00900
O5B  -0.05430   0.11350   0.94880   1.00000   0.00900
O6A   0.29670   0.13000   0.33710   1.00000   0.01000
O6B  -0.04630   0.13300   0.44870   1.00000   0.01100
O7A   0.29310   0.25000   0.04200   1.00000   0.01000
O7B  -0.04300   0.25000   0.75610   1.00000   0.01100
HA   0.23300   0.25000   0.54460   0.99000 ?
HB   0.02210   0.25000   0.22060   0.99000 ?