data_global
_chemical_name_mineral 'Phlogopite'
loop_
_publ_author_name
'Comodi P'
'Fumagalli P'
'Montagnoli M'
'Zanazzi P F'
_journal_name_full 'American Mineralogist'
_journal_volume 89 
_journal_year 2004
_journal_page_first 647
_journal_page_last 653
_publ_section_title
;
 A single-crystal study on the pressure behavior of phlogopite
 and petrological implications
 P = 3.2 GPa
;
_database_code_amcsd 0003536
_chemical_formula_sum 'K.91 Ba.03 Na.02 (Si2.72 Al1.28) (Mg2.18 Fe.82) O11.82 F.18 H1.72'
_cell_length_a 5.291
_cell_length_b 9.160
_cell_length_c 9.90
_cell_angle_alpha 90
_cell_angle_beta 100.3
_cell_angle_gamma 90
_cell_volume 472.077
_exptl_crystal_density_diffrn      3.124
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+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'
  '-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_occupancy
_atom_site_U_iso_or_equiv
K   0.00000   0.00000   0.00000   0.91000   0.01700
Ba   0.00000   0.00000   0.00000   0.03000   0.01700
Na   0.00000   0.00000   0.00000   0.02000   0.01700
SiT   0.57250   0.16720   0.21770   0.68000   0.00710
AlT   0.57250   0.16720   0.21770   0.32000   0.00710
MgM1   0.00000   0.50000   0.50000   0.72000   0.00620
FeM1   0.00000   0.50000   0.50000   0.28000   0.00620
MgM2   0.00000   0.83650   0.50000   0.73000   0.00660
FeM2   0.00000   0.83650   0.50000   0.27000   0.00660
O1   0.83400   0.22080   0.16000   1.00000   0.01700
O2   0.49400   0.00000   0.15800   1.00000   0.01600
O3   0.63000   0.16700   0.39100   1.00000   0.00800
O4   0.12600   0.00000   0.38300   0.05000   0.01600
F4   0.12600   0.00000   0.38300   0.09000   0.01600
O-H4   0.12600   0.00000   0.38300   0.86000   0.01600