data_global
_chemical_name_mineral 'Ferri-clinoferroholmquistite'
loop_
_publ_author_name
'Caballero J M'
'Monge A'
'Iglesia A L'
'Tornos F'
_journal_name_full 'American Mineralogist'
_journal_volume 83 
_journal_year 1998
_journal_page_first 167
_journal_page_last 171
_publ_section_title
;
 Ferri-clinoholmquistite, Li2(Fe,Mg)3Fe2Si8O22(OH)2, a new Li clinoamphibole from
 the Pedriza Massif, Sierra de Guadarrama, Spanish Central System
;
_database_code_amcsd 0001961
_chemical_formula_sum 'Si8 Mg1.21 Fe2.89 Al.2 Ti.12 Zn.02 Li3.21 Mn.07 Na1.18 Ca.04 K.06 H1.58 O23.58 F.42'
_cell_length_a 9.480
_cell_length_b 17.845
_cell_length_c 5.283
_cell_angle_alpha 90
_cell_angle_beta 102.03
_cell_angle_gamma 90
_cell_volume 874.101
_exptl_crystal_density_diffrn      3.313
_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
Si1   0.28580   0.08630   0.27790   1.00000 ?
Si2   0.70320   0.17120   0.21300   1.00000 ?
Mg1   0.00000   0.08810   0.50000   0.60500 ?
Fe1   0.00000   0.08810   0.50000   0.39500 ?
Fe2   0.00000   0.18120   0.00000   0.83000 ?
Al2   0.00000   0.18120   0.00000   0.10000 ?
Ti2   0.00000   0.18120   0.00000   0.06000 ?
Zn2   0.00000   0.18120   0.00000   0.01000 ?
Li3   0.00000   0.00000   0.00000   0.49000 ?
Fe3   0.00000   0.00000   0.00000   0.44000 ?
Mn3   0.00000   0.00000   0.00000   0.07000 ?
Na4   0.50000   0.22790   0.50000   0.15000 ?
Ca4   0.50000   0.22790   0.50000   0.02000 ?
Li4*   0.50000   0.25110   0.50000   0.83000   0.01600
NaAm   0.07870   0.50000   0.15660   0.44000   0.01000
KAm   0.07870   0.50000   0.15660   0.03000   0.01000
LiAm*   0.03360   0.50000   0.07390   0.53000   0.01900
H   0.21400   0.00000   0.74600   0.79000   0.03400
O1   0.11190   0.09100   0.20450   1.00000 ?
O2   0.12140   0.17350   0.73160   1.00000 ?
O3   0.11700   0.00000   0.70370   0.79000 ?
F3   0.11700   0.00000   0.70370   0.21000 ?
O4   0.37450   0.25040   0.78190   1.00000 ?
O5   0.35470   0.12950   0.06420   1.00000 ?
O6   0.34640   0.12030   0.56310   1.00000 ?
O7   0.33940   0.00000   0.28030   1.00000 ?
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Si1 0.00600 0.00570 0.00590 -0.00010 0.00100 0.00010
Si2 0.00630 0.00640 0.00600 0.00100 0.00120 -0.00010
Mg1 0.00980 0.00900 0.00930 0.00000 0.00320 0.00000
Fe1 0.00980 0.00900 0.00930 0.00000 0.00320 0.00000
Fe2 0.00580 0.00590 0.00650 0.00000 0.00150 0.00000
Al2 0.00580 0.00590 0.00650 0.00000 0.00150 0.00000
Ti2 0.00580 0.00590 0.00650 0.00000 0.00150 0.00000
Zn2 0.00580 0.00590 0.00650 0.00000 0.00150 0.00000
Li3 0.01100 0.00600 0.00900 0.00000 0.00140 0.00000
Fe3 0.01100 0.00600 0.00900 0.00000 0.00140 0.00000
Mn3 0.01100 0.00600 0.00900 0.00000 0.00140 0.00000
Na4 0.01900 0.03000 0.01800 0.00000 0.00500 0.00000
Ca4 0.01900 0.03000 0.01800 0.00000 0.00500 0.00000
O1 0.00800 0.00800 0.01100 0.00000 0.00100 0.00000
O2 0.00800 0.01000 0.00900 0.00100 0.00100 0.00000
O3 0.00500 0.00800 0.01000 0.00000 -0.00100 0.00000
F3 0.00500 0.00800 0.01000 0.00000 -0.00100 0.00000
O4 0.01200 0.01000 0.01200 -0.00400 0.00000 -0.00100
O5 0.00900 0.01500 0.01000 -0.00100 0.00300 0.00400
O6 0.01100 0.01900 0.00800 0.00100 0.00200 -0.00500
O7 0.01100 0.00700 0.01600 0.00000 0.00400 0.00000