data_global
_chemical_name_mineral 'Mangano-ferri-eckermannite'
loop_
_publ_author_name
'Barkley M C'
'Yang H'
'Downs R T'
_journal_name_full 'Acta Crystallographica, Section E'
_journal_volume 66 
_journal_year 2010
_journal_page_first i83
_journal_page_last i83
_publ_section_title
;
 Kozulite, a Mn-rich alkali amphibole
;
_database_code_amcsd 0017887
_chemical_compound_source 'Tanohata mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan'
_chemical_formula_sum 'K.208 Na2.344 Ca.18 Mn2.915 Mg2.305 Si8 O24 H2'
_cell_length_a 9.9024
_cell_length_b 18.1117
_cell_length_c 5.2992
_cell_angle_alpha 90
_cell_angle_beta 104.034
_cell_angle_gamma 90
_cell_volume 922.040
_exptl_crystal_density_diffrn      3.228
_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
KAM   0.52110   0.00000   0.05337   0.10400   0.01495
NaAM*   0.55616   0.00000   0.12976   0.18700   0.01495
NaA2   0.50000  -0.02152   0.00000   0.07300   0.01495
NaA1   0.53855  -0.01917   0.10320   0.05600   0.01495
NaM4   0.00000   0.27152   0.50000   0.80000   0.02191
CaM4   0.00000   0.27152   0.50000   0.09000   0.02191
MnM4   0.00000   0.27152   0.50000   0.11000   0.02191
MnM1   0.00000   0.08447   0.50000   0.45300   0.00933
MgM1   0.00000   0.08447   0.50000   0.54700   0.00933
MnM2   0.00000   0.18224   0.00000   0.76600   0.00935
MgM2   0.00000   0.18224   0.00000   0.23400   0.00935
MnM3   0.00000   0.00000   0.00000   0.25700   0.00682
MgM3   0.00000   0.00000   0.00000   0.74300   0.00682
Si1   0.28233   0.08429   0.28706   1.00000   0.00858
Si2   0.28734   0.16909   0.79054   1.00000   0.00908
O1   0.11555   0.08452   0.21268   1.00000   0.01077
O2   0.11918   0.16575   0.71697   1.00000   0.01460
O-H3   0.10330   0.00000   0.71178   1.00000   0.01309
O4   0.35819   0.24732   0.79012   1.00000   0.01786
O5   0.34710   0.12714   0.07418   1.00000   0.01335
O6   0.34473   0.11704   0.57692   1.00000   0.01358
O7   0.34279   0.00000   0.28842   1.00000   0.01545
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
NaM4 0.02256 0.02513 0.02240 0.00000 0.01394 0.00000
CaM4 0.02256 0.02513 0.02240 0.00000 0.01394 0.00000
MnM4 0.02256 0.02513 0.02240 0.00000 0.01394 0.00000
MnM1 0.00812 0.01278 0.00693 0.00000 0.00151 0.00000
MgM1 0.00812 0.01278 0.00693 0.00000 0.00151 0.00000
MnM2 0.00981 0.00801 0.01081 0.00000 0.00360 0.00000
MgM2 0.00981 0.00801 0.01081 0.00000 0.00360 0.00000
MnM3 0.00777 0.00593 0.00635 0.00000 0.00091 0.00000
MgM3 0.00777 0.00593 0.00635 0.00000 0.00091 0.00000
Si1 0.00867 0.00776 0.00854 -0.00068 0.00063 0.00007
Si2 0.00895 0.00906 0.00918 -0.00125 0.00213 0.00087
O1 0.00883 0.01119 0.01146 -0.00133 0.00085 -0.00045
O2 0.00928 0.02024 0.01375 0.00151 0.00180 0.00306
O-H3 0.01394 0.01143 0.01332 0.00000 0.00215 0.00000
O4 0.02362 0.01152 0.01861 -0.00563 0.00544 0.00122
O5 0.01120 0.01709 0.01140 0.00000 0.00209 0.00495
O6 0.01147 0.01838 0.00989 0.00045 0.00065 -0.00395
O7 0.01488 0.00757 0.02267 0.00000 0.00217 0.00000