data_global
_chemical_name_mineral 'Dravite'
loop_
_publ_author_name
'Bacik P'
'Uher P'
'Ertl A'
'Jonsson E'
'Nysten P'
'Kanicky V'
'Vaculovic T'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 50 
_journal_year 2012
_journal_page_first 825
_journal_page_last 841
_publ_section_title
;
 Zoned REE-enriched dravite from a granitic pegmatite in Forshammar Bergslagen
 Province, Sweden: An EMPA, XRD and LA-ICP-MS study
 Sample: TSW an3 (rim)
;
_database_code_amcsd 0019716
_chemical_compound_source 'Forshammar Bergslagen Province, Sweden'
_chemical_formula_sum 'Na.711 Ca.05 K.01 (Fe.231 Mg2.769) Al6 Si6 B3 O30.962 F.038 H3.42'
_cell_length_a 15.921
_cell_length_b 15.921
_cell_length_c 7.175
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 1575.046
_exptl_crystal_density_diffrn      3.040
_symmetry_space_group_name_H-M 'R 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+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
NaX   0.00000   0.00000   0.23065   0.71100   0.01930
CaX   0.00000   0.00000   0.23065   0.05000   0.01930
KX   0.00000   0.00000   0.23065   0.01000   0.01930
FeY   0.12439   0.06219   0.63110   0.07700   0.00718
MgY   0.12439   0.06219   0.63110   0.92300   0.00718
AlZ   0.29771   0.26140   0.61062   1.00000   0.00540
SiT   0.19176   0.18981  -0.00040   1.00000   0.00469
B   0.10976   0.21953   0.45395   1.00000   0.00598
O1   0.00000   0.00000   0.77160   0.54200   0.01110
O-H1   0.00000   0.00000   0.77160   0.42000   0.01110
F1   0.00000   0.00000   0.77160   0.03800   0.01110
O2   0.06098   0.12196   0.48629   1.00000   0.01097
O3   0.26378   0.13189   0.50948   1.00000   0.01269
O4   0.09353   0.18707   0.07046   1.00000   0.00963
O5   0.18512   0.09256   0.09237   1.00000   0.00968
O6   0.19549   0.18515   0.77620   1.00000   0.00792
O7   0.28536   0.28518   0.07831   1.00000   0.00766
O8   0.20954   0.27033   0.43993   1.00000   0.00851
H3   0.25920   0.12960   0.40200   1.00000   0.03400
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
NaX 0.01910 0.01910 0.01970 0.00960 0.00000 0.00000
CaX 0.01910 0.01910 0.01970 0.00960 0.00000 0.00000
KX 0.01910 0.01910 0.01970 0.00960 0.00000 0.00000
FeY 0.00682 0.00470 0.01074 0.00341 -0.00344 -0.00172
MgY 0.00682 0.00470 0.01074 0.00341 -0.00344 -0.00172
AlZ 0.00528 0.00555 0.00533 0.00267 -0.00007 0.00038
SiT 0.00462 0.00423 0.00521 0.00220 -0.00044 -0.00060
B 0.00520 0.00570 0.00710 0.00286 0.00034 0.00070
O1 0.01310 0.01310 0.00710 0.00655 0.00000 0.00000
O-H1 0.01310 0.01310 0.00710 0.00655 0.00000 0.00000
F1 0.01310 0.01310 0.00710 0.00655 0.00000 0.00000
O2 0.01260 0.00500 0.01270 0.00252 0.00010 0.00020
O3 0.02460 0.01200 0.00570 0.01230 0.00020 0.00008
O4 0.00715 0.01450 0.00970 0.00727 -0.00075 -0.00150
O5 0.01500 0.00726 0.00930 0.00750 0.00180 0.00088
O6 0.00930 0.00980 0.00527 0.00521 -0.00083 -0.00128
O7 0.00649 0.00625 0.00760 0.00121 -0.00103 -0.00101
O8 0.00467 0.00900 0.01180 0.00336 0.00093 0.00257