data_global
_chemical_name_mineral 'Tsepinite-Ca'
loop_
_publ_author_name
'Pekov I V'
'Chukanov N V'
'Ferraris G'
'Gula A'
'Pushcharovsky D Y'
'Zadov A E'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 2003 
_journal_year 2003
_journal_page_first 461
_journal_page_last 480
_publ_section_title
;
 Tsepinite-Ca,(Ca,K,Na,[])2(Ti,Nb)2(Si4O12)(OH,O)2*4H2O, a new mineral
 of the labuntsovite group from the Khibiny alkaline massif, Kola peninsula
 - novel disordered sites in the vuoriyarvite-type structure
 Kola Peninsula, Russia
;
_database_code_amcsd 0014929
_chemical_compound_source 'Lovchorrite mine, Hackman Valley, Yukspor Mountian, Khibiny massif,'
_chemical_formula_sum 'Na.7 K.555 O35.064 Ba.27 Ca1.105 Sr.34 Mn.025 Fe.005 Zn.015 (Ti3.2 Nb.8) Si8 H16.569'
_cell_length_a 14.484
_cell_length_b 14.191
_cell_length_c 7.907
_cell_angle_alpha 90
_cell_angle_beta 117.26
_cell_angle_gamma 90
_cell_volume 1444.722
_exptl_crystal_density_diffrn      2.716
_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
NaA   0.41340   0.74010   0.00000   0.17500   0.04900
KA   0.41340   0.74010   0.00000   0.13880   0.04900
WatA   0.41340   0.74010   0.00000   0.04370   0.04900
BaA*   0.50000   0.65700   0.00000   0.08750   0.23000
WatA*   0.50000   0.65700   0.00000   0.91250   0.23000
CaB   0.43200   0.00000   0.70000   0.13000   0.15000
SrB   0.43200   0.00000   0.70000   0.10000   0.15000
WatB   0.43200   0.00000   0.70000   0.65000   0.15000
BaB*1   0.50000   0.82900   0.00000   0.01580   0.12000
WatB*1   0.50000   0.82900   0.00000   0.31750   0.12000
BaB*2   0.46200   0.90700   0.85100   0.00790   0.02000
WatB*2   0.46200   0.90700   0.85100   0.15870   0.02000
BaB*3   0.46200   0.84900   0.84700   0.00790   0.10000
WatB*3   0.46200   0.84900   0.84700   0.15870   0.10000
SrC   0.08600   0.00000   0.33000   0.07000   0.10000
WatC   0.08600   0.00000   0.33000   0.93000   0.10000
CaC*   0.25100   0.00000   0.50100   0.21000   0.01500
CaD   0.00000   0.00000   0.50000   0.42500   0.02400
MnD   0.00000   0.00000   0.50000   0.02500   0.02400
FeD   0.00000   0.00000   0.50000   0.00500   0.02400
ZnD   0.00000   0.00000   0.50000   0.01500   0.02400
TiM1   0.00000   0.75830   0.50000   0.80000   0.02700
NbM1   0.00000   0.75830   0.50000   0.20000   0.02700
TiM2   0.75000   0.75000   0.50000   0.80000   0.03300
NbM2   0.75000   0.75000   0.50000   0.20000   0.03300
Si1   0.20040   0.11140   0.79110   1.00000   0.01740
Si2   0.68870   0.88940   0.76480   1.00000   0.01710
O1   0.90010   0.76050   0.60200   0.39000   0.02300
O-H1   0.90010   0.76050   0.60200   0.61000   0.02300
O2   0.91940   0.86260   0.32600   1.00000   0.04000
O3   0.24820   0.86050   0.34200   1.00000   0.03700
O4   0.26940   0.83340   0.70900   1.00000   0.03700
O5   0.41900   0.83310   0.30800   1.00000   0.04400
O6   0.34000   0.00000   0.25400   1.00000   0.04900
O7   0.24180   0.86890   0.01400   1.00000   0.03700
O8   0.21500   0.00000   0.76200   1.00000   0.04500