data_1010862 _chemical_name_systematic ; Calcium sodium magnesium manganese arsenate (2/1/1.27/0.73/3) ; _chemical_formula_structural 'Ca2 Na Mg1.27 Mn0.73 (As O4)3' _chemical_formula_sum 'As3 Ca2 Mg1.27 Mn.73 Na O12' _publ_section_title ; Die Gitterkonstante und Schmelzpunkte der Berzeliite. ; _publ_author_name 'Bubeck, W' _journal_name_full ; Geologiska Foereningens i Stockholm Foerhandlingar ; _journal_coden_ASTM GFSFA4 _journal_volume 56 _journal_year 1934 _journal_page_first 525 _journal_page_last 530 _cell_length_a 12.35(1) _cell_length_b 12.35(1) _cell_length_c 12.35(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1883.7 _cell_formula_units_Z 0