#------------------------------------------------------------------------------ #$Date: 2014-07-11 15:35:18 +0100 (Fri, 11 Jul 2014) $ #$Revision: 120071 $ #$URL: svn://www.crystallography.net/cod/cif/1/01/08/1010865.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1010865 loop_ _publ_author_name 'Vaux, G' 'Bennett, H' _publ_section_title ; X-ray studies on Pyrolusite (including Polianite) and Psilomelane. ; _journal_coden_ASTM MIASA6 _journal_name_full ; Mineralogical Magazine and Journal of the Mineralogical Society (1876- 1968) ; _journal_page_first 521 _journal_page_last 526 _journal_volume 24 _journal_year 1937 _chemical_compound_source 'from Elgersburg, Thuringia' _chemical_formula_structural 'H4 Mn2 Mn8 O20' _chemical_formula_sum 'H4 Mn10 O20' _chemical_name_mineral Pyrolusite _chemical_name_systematic ; Tetrahydrogen dimanganese octamanganese(IV) oxide ; _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 0 _cell_length_a 4.38 _cell_length_b 4.38 _cell_length_c 2.86 _cell_volume 54.9 _cod_database_code 1010865 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z ? ? ? ? _journal_paper_doi 10.1180/minmag.1937.024.157.02