data_global
_chemical_name_mineral 'Chlorite'
loop_
_publ_author_name
'Zanazzi P F'
'Montagnoli M'
'Nazzareni S'
'Comodi P'
_journal_name_full 'American Mineralogist'
_journal_volume 92 
_journal_year 2007
_journal_page_first 655
_journal_page_last 661
_publ_section_title
;
 Structural effects of pressure on monoclinic chlorite: a single-crystal study
 Sample: P = 5.47 GPa
;
_database_code_amcsd 0004290
_chemical_compound_source 'Alpe Raguzzolo, Val Malenco, Italy'
_chemical_formula_sum 'Mg2.292 Fe.255 Al.865 Si1.588 O9 H4'
_cell_length_a 5.237
_cell_length_b 9.078
_cell_length_c 14.00
_cell_angle_alpha 90
_cell_angle_beta 96.64
_cell_angle_gamma 90
_cell_volume 661.116
_exptl_crystal_density_diffrn      2.873
_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
MgM1   0.00000   0.00000   0.00000   0.76400   0.00800
FeM1   0.00000   0.00000   0.00000   0.08500   0.00800
AlM1   0.00000   0.00000   0.00000   0.15100   0.00800
MgM2   0.00000   0.33360   0.00000   0.76400   0.00800
FeM2   0.00000   0.33360   0.00000   0.08500   0.00800
AlM2   0.00000   0.33360   0.00000   0.15100   0.00800
MgM3   0.00000   0.16590   0.50000   0.76400   0.00400
FeM3   0.00000   0.16590   0.50000   0.08500   0.00400
AlM3   0.00000   0.16590   0.50000   0.15100   0.00400
MgM4   0.00000   0.50000   0.50000   0.76400   0.00700
FeM4   0.00000   0.50000   0.50000   0.08500   0.00700
AlM4   0.00000   0.50000   0.50000   0.15100   0.00700
SiT   0.22900   0.16700   0.19000   0.79400   0.00400
AlT   0.22900   0.16700   0.19000   0.20600   0.00400
O1   0.18600   0.16700   0.07100   1.00000   0.00700
O2   0.19800   0.00000   0.23700   1.00000   0.01400
O3   0.51400   0.22500   0.23500   1.00000   0.02000
O-H1   0.19200   0.50000   0.07700   1.00000   0.00800
O-H2   0.15000   0.00000   0.42300   1.00000   0.02200
O-H3   0.14000   0.33800   0.42100   1.00000   0.01400