#------------------------------------------------------------------------------ #$Date: 2013-20-09 21:40:00 +0000 $ #$Revision: 001 $ Daniel Chateigner #------------------------------------------------------------------------------ # # This file is available in the Material Properties Open Database (MPOD), # http://www.mpod.net/ # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_1000328 _cod_database_code 9006952 _structure_refined 'no' _phase_name 'fluorapatite' _chemical_name_mineral 'Durango fluorapatite' _phase_generic '' _chemical_formula_structural 'Ca5(PO4)3F' _chemical_formula_sum 'Ca5 F O12 P3' _symmetry_point_group_name_H-M '6/m' _cell_length_a 9.375 _cell_length_b 9.375 _cell_length_c 6.887 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 loop_ _publ_author_name 'Yoon, Hyo Sub' 'Newnham, R.E.' _publ_section_title ; Elastic Properties of Fluorapatite ; _journal_name_full 'the American Mineralogist' _journal_volume 54 _journal_issue ? _journal_page_first 1193 _journal_page_last 1197 _journal_year 1969 _phase_density 3214.7(4) _prop_measurement_method 'PSM' _prop_frame '1=[100] 2=[120] 3=[001]' _prop_elastic_compliance_sijS 'sijS' _prop_elastic_stiffness_cijS 'cijS' loop_ _prop_data_label _prop_data_tensorial_index _prop_data_value cijS 11 143.4(2) cijS 12 44.5(3) cijS 13 57.5(1.7) cijS 22 143.4(2) cijS 23 57.5(1.7) cijS 33 180.5(1) cijS 44 41.5(1) cijS 55 41.5(1) cijS 66 49.5(2) sijS 11 0.836(5) sijS 12 -0.175(5) sijS 13 -0.210(10) sijS 22 0.836(5) sijS 23 -0.210(10) sijS 33 0.688(10) sijS 44 2.411(3) sijS 55 2.411(3) sijS 66 2.022(8)