data_1010657
_chemical_name_systematic          'Sodium titanium strontium silicate'
_chemical_name_mineral             'Lamprophyllite'
_chemical_compound_source          'from Kola'
_chemical_formula_structural       'Na2 Ti Sr (Si O4)2'
_chemical_formula_sum              'Na2 O8 Si2 Sr Ti'
_publ_section_title
;
Ueber Kristallform und chemische Zusammensetzung von Lamprophyllit
;
loop_
_publ_author_name
  'Gossner, B'
  'Drexler, K'
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,
Kristallchemie (-144,1977)
;
_journal_coden_ASTM                ZEKGAX
_journal_volume                    91
_journal_year                      1935
_journal_page_first                494
_journal_page_last                 500
_cell_length_a                     19.05
_cell_length_b                     7.05
_cell_length_c                     5.35
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       718.5
_cell_formula_units_Z              4
_exptl_crystal_density_meas        3.45