#------------------------------------------------------------------------------
#$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9009572.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_9009572
_chemical_name 'Fluoborite'
loop_
_publ_author_name
'Dal Negro A'
'Tadini C'
_journal_name_full "Tschermaks Mineralogische und Petrographische Mitteilungen"
_journal_volume 21
_journal_year 1974
_journal_page_first 94
_journal_page_last 100
_publ_section_title
;
 Refinement of the crystal structure of fluoborite, Mg3(F,OH)3(BO3)
 Locality: Nocera, Italy
;
_chemical_formula_sum 'Mg3 F3 B O3'
_cell_length_a 8.827
_cell_length_b 8.827
_cell_length_c 3.085
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 208.167
_symmetry_space_group_name_H-M 'P 63/m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x+y,-x,1/2-z'
  'x-y,x,1/2+z'
  'y,-x+y,-z'
  '-y,x-y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  'x-y,x,-z'
  '-x+y,-x,z'
  '-y,x-y,1/2-z'
  'y,-x+y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_Uiso_or_equiv
Mg   0.36680   0.02970   0.25000   0.00659
F   0.29820   0.20890   0.25000   0.00912
B   0.33333   0.66667   0.25000   0.00557
O   0.44950   0.84560   0.25000   0.00659