data_global
_chemical_name_mineral 'Altisite'
loop_
_publ_author_name
'Ferraris G'
'Ivaldi G'
'Khomyakov A P'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 7 
_journal_year 1995
_journal_page_first 537
_journal_page_last 546
_publ_section_title
;
 Altisite Na3K6Ti2[Al2Si8O26]Cl3 a new hyperalkaline
 aluminosilicate from Kola Peninsula (Russia) related to
 lemoynite: crystal structure and thermal evolution
 Sample: HT, T = 700 C
;
_database_code_amcsd 0006595
_chemical_compound_source 'Kola Peninsula, Russia'
_chemical_formula_sum 'K5.5 Na3.5 Ti2 Si8 Al2 O26 Cl3'
_cell_length_a 10.423
_cell_length_b 16.333
_cell_length_c 9.160
_cell_angle_alpha 90
_cell_angle_beta 105.62
_cell_angle_gamma 90
_cell_volume 1501.798
_exptl_crystal_density_diffrn      2.637
_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
K1   0.20520   0.14147   0.10660   0.95000   0.05630
Na1   0.20520   0.14147   0.10660   0.05000   0.05630
K2   0.10280   0.01510   0.36650   0.42500   0.08600
Na2   0.10280   0.01510   0.36650   0.07500   0.08600
Na1   0.00000   0.38470   0.50000   1.00000   0.04650
Na2   0.00000   0.50000   0.00000   1.00000   0.08100
Ti   0.25000   0.25000   0.50000   1.00000   0.01480
Si1   0.72627   0.09803   0.26440   1.00000   0.01640
Si2   0.94619   0.21412   0.27537   1.00000   0.01730
Al   0.00000   0.31552   0.00000   1.00000   0.01910
O1   0.87490   0.12340   0.25200   1.00000   0.02920
O2   0.69460   0.14280   0.40650   1.00000   0.03030
O3   0.62090   0.11830   0.10520   1.00000   0.03430
O4   0.73190   0.00000   0.29180   1.00000   0.03200
O5   0.86490   0.27030   0.36570   1.00000   0.02600
O6   0.92760   0.25300   0.10860   1.00000   0.03550
O7   0.10130   0.19720   0.35490   1.00000   0.03410
Cl1   0.00000   0.00000   0.00000   1.00000   0.07800
Cl2   0.12120   0.50000   0.72820   1.00000   0.06940