data_global
_chemical_name_mineral 'Eirikite'
loop_
_publ_author_name
'Larsen A O'
'Kolitsch U'
'Gault R A'
'Giester G'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 22 
_journal_year 2010
_journal_page_first 875
_journal_page_last 880
_publ_section_title
;
 Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway
;
_database_code_amcsd 0017881
_chemical_compound_source 'Langesundsfjord district, Norway'
_chemical_formula_sum 'K.983 Na6.017 Be2 (Si15 Al3) O39 F2'
_cell_length_a 14.386
_cell_length_b 14.386
_cell_length_c 4.873
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 873.388
_exptl_crystal_density_diffrn      2.584
_symmetry_space_group_name_H-M 'P -3 m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,-x+y,-z'
  '-x,-x+y,-z'
  '-x+y,-x,z'
  '-x+y,y,z'
  '-x,-y,-z'
  'y,x,-z'
  '-y,x-y,z'
  'x,x-y,z'
  'x-y,x,-z'
  'x-y,-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
KA   0.00000   0.00000   0.00000   0.98300   0.04380
Na   0.75075  -0.75075   0.20243   1.00000   0.01861
NaB   0.00000   0.00000   0.50000   0.01700   0.04000
BeT4   0.33333   0.66667   0.36850   1.00000   0.00800
SiT1   0.00000   0.21580   0.50000   0.83333   0.00921
AlT1   0.00000   0.21580   0.50000   0.16667   0.00921
SiT2   0.00000   0.34389   0.00000   0.83333   0.00717
AlT2   0.00000   0.34389   0.00000   0.16667   0.00717
SiT3   0.44740  -0.44740   0.30818   0.83333   0.00624
AlT3   0.44740  -0.44740   0.30818   0.16667   0.00624
O1   0.09980  -0.09980   0.38138   1.00000   0.01764
O2   0.30843   0.25990   0.24793   1.00000   0.01445
O3   0.35937   0.45859   0.10578   1.00000   0.01207
O4   0.50000   0.00000   0.50000   1.00000   0.01390
O5   0.39429  -0.39429   0.48464   1.00000   0.01058
F   0.33333   0.66667   0.04480   1.00000   0.01360
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
KA 0.04600 0.04600 0.03940 0.02300 0.00000 0.00000
Na 0.01746 0.01746 0.01640 0.00540 0.00316 -0.00316
BeT4 0.00790 0.00790 0.00800 0.00400 0.00000 0.00000
SiT1 0.00949 0.00935 0.00883 0.00475 -0.00116 -0.00058
AlT1 0.00949 0.00935 0.00883 0.00475 -0.00116 -0.00058
SiT2 0.00752 0.00675 0.00750 0.00376 0.00040 0.00020
AlT2 0.00752 0.00675 0.00750 0.00376 0.00040 0.00020
SiT3 0.00725 0.00725 0.00607 0.00501 0.00005 -0.00005
AlT3 0.00725 0.00725 0.00607 0.00501 0.00005 -0.00005
O1 0.01640 0.01640 0.01540 0.00470 -0.00408 0.00408
O2 0.01570 0.01310 0.01520 0.00770 0.00540 0.00539
O3 0.01320 0.00940 0.01470 0.00642 -0.00411 -0.00318
O4 0.01750 0.00780 0.01340 0.00390 -0.00247 -0.00490
O5 0.01430 0.01430 0.00870 0.01130 0.00051 -0.00051
F 0.01680 0.01680 0.00730 0.00839 0.00000 0.00000