data_global
_chemical_name_mineral 'Rinkite'
loop_
_publ_author_name
'Bellezza M'
'Merlino S'
'Perchiazzi N'
'Raade G'
_journal_name_full 'Atti della Societa Toscana di Scienze Naturali, Memorie, Serie A'
_journal_volume 114 
_journal_year 2009
_journal_page_first 1
_journal_page_last 3
_publ_section_title
;
 <<Johnstrupite>>: a chemical and structural study
;
_database_code_amcsd 0017796
_chemical_compound_source 'Barkevik skerry, Langesundsfjord, Norway'
_chemical_formula_sum 'Ca4.28 Na1.82 Ce.9 (Ti.86 Zr.09 Nb.05) Si4 O15.3 F2.7'
_cell_length_a 7.421
_cell_length_b 5.709
_cell_length_c 19.019
_cell_angle_alpha 90
_cell_angle_beta 101.23
_cell_angle_gamma 90
_cell_volume 790.340
_exptl_crystal_density_diffrn      3.370
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+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_occupancy
_atom_site_U_iso_or_equiv
CaM2   0.50000   0.00000   0.00000   0.10000   0.04230
NaM3   0.75470   0.50100   0.00110   0.46000   0.05332
CaM3   0.75470   0.50100   0.00110   0.54000   0.05332
CaM4   0.09350   0.66240   0.19121   0.71000   0.03888
CeM4   0.09350   0.66240   0.19121   0.29000   0.03888
CaM5   0.59720   0.66600   0.19122   0.84000   0.04002
CeM5   0.59720   0.66600   0.19122   0.16000   0.04002
TiM1   0.00000   0.00000   0.00000   0.86000   0.04369
ZrM1   0.00000   0.00000   0.00000   0.09000   0.04369
NbM1   0.00000   0.00000   0.00000   0.05000   0.04369
NaM2   0.50000   0.00000   0.00000   0.90000   0.04230
Si1   0.35110   0.15600   0.13998   1.00000   0.03382
Si2   0.78450   0.15540   0.13785   1.00000   0.03394
O1   0.21970   0.15110   0.06120   1.00000   0.04977
O2   0.83090   0.14190   0.05804   1.00000   0.04610
O3   0.33790   0.39720   0.18387   1.00000   0.04648
O4   0.84290   0.40180   0.17807   1.00000   0.05117
O5   0.33340   0.93520   0.19159   1.00000   0.04293
O6   0.85610   0.93860   0.19143   1.00000   0.04116
O7   0.55850   0.14150   0.12134   1.00000   0.04800
FOF1   0.03080   0.70120   0.06006   0.55000   0.04699
OOF1   0.03080   0.70120   0.06006   0.45000   0.04699
FOF2   0.52790   0.65550   0.06071   0.80000   0.05623
OOF2   0.52790   0.65550   0.06071   0.20000   0.05623