data_global
_chemical_name_mineral 'Calcioandyrobertsite'
loop_
_publ_author_name
'Sarp H'
'Cerny R'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 16 
_journal_year 2004
_journal_page_first 163
_journal_page_last 169
_publ_section_title
;
 Calcio-andyrobertsite-2O, KCaCu5(AsO4)4[AsO2(OH)2]*2H2O: its
 description, crystal structure and relation with calcio-andyrobertsite-1M
 Note: polytype 2O
;
_database_code_amcsd 0007032
_chemical_compound_source 'Tsumeb, Namibia'
_chemical_formula_sum 'K Ca Cu5 As5 O22 H6'
_cell_length_a 19.647
_cell_length_b 10.087
_cell_length_c 9.963
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1974.460
_exptl_crystal_density_diffrn      3.800
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-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_U_iso_or_equiv
K   0.07150   0.25000   0.63280   0.03250
Ca   0.89935   0.25000   0.90020   0.01600
Cu1   0.78983   0.02756   0.37139   0.01310
Cu2   0.77856   0.25000   0.14290   0.01200
Cu3   0.79195   0.25000   0.61290   0.01290
Cu4   0.09229   0.25000   0.13330   0.01290
As1   0.15602   0.03890   0.33469   0.00980
As2   0.16753   0.04351   0.92474   0.01040
As3   0.93196   0.25000   0.30030   0.02140
O1   0.15550   0.06650   0.49980   0.01900
O2   0.84530   0.12260   0.71300   0.01700
O3   0.08640   0.11240   0.27160   0.01510
O4   0.24080   0.11470   0.98370   0.01260
O5   0.82660   0.11760   0.03070   0.01700
O6   0.22710   0.10860   0.26460   0.01380
O7   0.09930   0.10910   0.99970   0.01900
O8   0.16160   0.07210   0.76070   0.01900
O9   0.84830   0.25000   0.32850   0.02200
O10   0.96130   0.25000   0.14460   0.03000
O-H   0.03610   0.88340   0.61290   0.06100
Wat   0.01280   0.89620   0.15660   0.02600