data_9005483
_chemical_name 'Magnesiocarpholite'
loop_
_publ_author_name
'Fuchs Y'
'Mellini M'
'Memmi I'
_journal_name_full "European Journal of Mineralogy"
_journal_volume 13
_journal_year 2001
_journal_page_first 533
_journal_page_last 543
_publ_section_title
;
 Crystal-chemistry of magnesiocarpholite: controversial X-ray
 diffraction, Mossbauer, FTIR and Raman results
 Locality: Monte Argentario
;
_chemical_formula_sum 'K.004 (Mg1.3 Fe.7) Al3.94 Si4 O19.896 F.304 H7.896'
_cell_length_a 13.716
_cell_length_b 20.084
_cell_length_c 5.110
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1407.663
_symmetry_space_group_name_H-M 'C c c a'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,1/2+y,1/2+z'
  '1/2-x,+y,1/2+z'
  'x,1/2-y,1/2-z'
  '1/2+x,-y,1/2-z'
  'x,1/2+y,-z'
  '1/2+x,+y,-z'
  '-x,1/2-y,z'
  '1/2-x,-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_Uiso_or_equiv
K   0.00000   0.75000   0.25000   0.00400   0.01000
MgM1   0.00000   0.87500   0.75000   0.65000   0.00840
FeM1   0.00000   0.87500   0.75000   0.35000   0.00840
Al1   0.19088   0.75000   0.75000   0.98500   0.00600
Al2   0.00000   0.96131   0.25000   0.98500   0.00660
Si   0.19355   0.87981   0.41670   1.00000   0.00590
O1   0.20599   0.79991   0.43100   1.00000   0.00810
O2   0.08047   0.89933   0.40850   1.00000   0.00840
O3   0.24801   0.91275   0.67110   1.00000   0.00910
O-h1   0.09973   0.80978   0.87910   0.98700   0.01130
F1   0.09973   0.80978   0.87910   0.03800   0.01130
O-h2   0.06810   0.96589   0.92730   0.98700   0.00830
F2   0.06810   0.96589   0.92730   0.03800   0.00830
H1  -0.09300   0.80100   0.50600   0.98700   0.06100
H2   0.13400   0.96300   0.91600   0.98700   0.02400