data_global
_chemical_name_mineral 'Bikitaite'
loop_
_publ_author_name
'Ferro O'
'Quartieri S'
'Vezzalini G'
'Ceriani C'
'Fois E'
'Gamba A'
'Cruciani G'
_journal_name_full 'American Mineralogist'
_journal_volume 89 
_journal_year 2004
_journal_page_first 94
_journal_page_last 101
_publ_section_title
;
 Dehydration dynamics of bikitaite: I. In situ synchrotron powder X-ray diffraction study
 Sample: T = 280 C
;
_database_code_amcsd 0003189
_chemical_compound_source 'Bikita, Zimbabwe'
_chemical_formula_sum 'Li Al Si2 O6.715 H1.43'
_cell_length_a 8.6140
_cell_length_b 4.9721
_cell_length_c 7.5510
_cell_angle_alpha 89.753
_cell_angle_beta 114.273
_cell_angle_gamma 90.154
_cell_volume 294.814
_exptl_crystal_density_diffrn      2.241
_symmetry_space_group_name_H-M 'P 1'
loop_
_space_group_symop_operation_xyz
  '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
Li1   0.28600   0.37400   0.12800   1.00000   0.10512
Li2   0.67400   0.87100   0.84300   1.00000   0.10512
Al13   0.37600   0.87600   0.92400   1.00000   0.01520
Al21   0.88300   0.37600   0.89600   1.00000   0.01520
Si11   0.09200   0.86300   0.08000   1.00000   0.02786
Si12   0.10380   0.80060   0.50490   1.00000   0.02786
Si22   0.88600   0.32100   0.48700   1.00000   0.02786
Si23   0.61200   0.36300   0.05900   1.00000   0.02786
O11   0.25100   0.75600   0.03800   1.00000   0.02660
O12   0.06300   0.18000   0.02100   1.00000   0.02660
O13   0.13400   0.83400   0.30900   1.00000   0.03040
O14   0.05100   0.51300   0.56100   1.00000   0.03040
O15   0.25200   0.95200   0.68400   1.00000   0.03040
O16   0.43700   0.19500   0.01800   1.00000   0.02660
O21   0.72800   0.23700   0.96000   1.00000   0.03673
O22   0.91200   0.72000   0.94300   1.00000   0.03673
O23   0.80600   0.35200   0.64600   1.00000   0.03040
O24   0.96100   0.01900   0.49700   1.00000   0.03040
O25   0.71500   0.36800   0.29200   1.00000   0.03040
O26   0.55400   0.66700   0.98000   1.00000   0.03673
Wat17   0.39800   0.27700   0.41100   0.66000   0.17731
Wat27   0.54200   0.81000   0.55800   0.77000   0.17731