data_global
_chemical_name_mineral 'Clinochlore'
loop_
_publ_author_name
'Zanazzi P F'
'Montagnoli M'
'Nazzareni S'
'Comodi P'
_journal_name_full 'American Mineralogist'
_journal_volume 91 
_journal_year 2006
_journal_page_first 1871
_journal_page_last 1878
_publ_section_title
;
 Structural effects of pressure on chlorite: A single-crystal study
 Sample: P = 3.14 GPa
;
_database_code_amcsd 0004252
_chemical_compound_source 'Alpe Reguzzolo, Val Malenco, Italy'
_chemical_formula_sum '(Mg4.5 Fe.5) Al1.84 Si3.16 O18 H8'
_cell_length_a 5.280
_cell_length_b 9.147
_cell_length_c 14.15
_cell_angle_alpha 90.20
_cell_angle_beta 97.20
_cell_angle_gamma 89.92
_cell_volume 677.997
_exptl_crystal_density_diffrn      2.801
_symmetry_space_group_name_H-M 'C -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'
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   0.90000   0.00330
FeM1   0.00000   0.00000   0.00000   0.10000   0.00330
MgM2   0.00000   0.33360  -0.00030   0.90000   0.00330
FeM2   0.00000   0.33360  -0.00030   0.10000   0.00330
MgM3  -0.00030   0.16650   0.50000   0.90000   0.00310
FeM3  -0.00030   0.16650   0.50000   0.10000   0.00310
AlM4   0.00000   0.50000   0.50000   1.00000   0.00240
Si1   0.23130   0.16730   0.19220   0.79000   0.00450
Al1   0.23130   0.16730   0.19220   0.21000   0.00450
Si2   0.73210   0.00080   0.19270   0.79000   0.00440
Al2   0.73210   0.00080   0.19270   0.21000   0.00440
O1   0.19080   0.16670   0.07800   1.00000   0.00400
O2   0.69210   0.00090   0.07800   1.00000   0.00300
O3   0.20600   0.33440   0.23500   1.00000   0.01400
O4   0.51480   0.10420   0.23400   1.00000   0.01400
O5   0.01320   0.06380   0.23600   1.00000   0.01400
O-H1   0.69210   0.33310   0.07800   1.00000   0.00500
O-H2   0.14750  -0.00070   0.42600   1.00000   0.01200
O-H3   0.14000   0.33490   0.42500   1.00000   0.01400
O-H4   0.64080   0.16490   0.42600   1.00000   0.01000