data_global _chemical_name_mineral 'Calciojohillerite' loop_ _publ_author_name 'Pekov I V' 'Koshlyakova N N' 'Agakhanov A A' 'Zubkova N V' 'Belakovskiy D I' 'Vigasina M F' 'Turchkova A G' 'Sidorov E G' 'Pushcharovsky D Y' _journal_name_full 'Mineralogical Magazine' _journal_volume 85 _journal_year 2021 _journal_page_first 215 _journal_page_last 223 _publ_section_title ; New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XV. Calciojohillerite, NaCaMgMg2(AsO4)3, a member of the alluaudite group ; _database_code_amcsd 0020958 _chemical_compound_source 'Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia' _chemical_formula_sum 'Ca.7 Na1.24 Cu.02 K.01 Mg2.65 Mn.05 Fe.25 Al.05 (As2.85 P.15) O12' _cell_length_a 11.8405 _cell_length_b 12.7836 _cell_length_c 6.69165 _cell_angle_alpha 90 _cell_angle_beta 112.425 _cell_angle_gamma 90 _cell_volume 936.282 _exptl_crystal_density_diffrn 3.908 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv CaA1 0.50000 0.00000 0.00000 0.70000 0.01920 NaA1 0.50000 0.00000 0.00000 0.25000 0.01920 CuA1* 0.00000 0.50270 0.25000 0.02000 0.00600 NaA2* 0.00000 -0.00980 0.25000 0.99000 0.02610 KA2* 0.00000 -0.00980 0.25000 0.01000 0.02610 MgM1 0.00000 0.26340 0.25000 0.95000 0.00760 MnM1 0.00000 0.26340 0.25000 0.05000 0.00760 MgM2 0.28625 0.65740 0.37724 0.85000 0.00519 FeM2 0.28625 0.65740 0.37724 0.12500 0.00519 AlM2 0.28625 0.65740 0.37724 0.02500 0.00519 As1 0.00000 0.71086 0.25000 0.95000 0.00595 P1 0.00000 0.71086 0.25000 0.05000 0.00595 As2 0.23151 0.88687 0.12070 0.95000 0.00563 P2 0.23151 0.88687 0.12070 0.05000 0.00563 O1 0.46311 0.71706 0.52390 1.00000 0.01010 O2 0.10889 0.62355 0.26290 1.00000 0.01500 O3 0.34097 0.67044 0.12140 1.00000 0.00960 O4 0.11777 0.39710 0.31990 1.00000 0.01110 O5 0.21645 0.81611 0.32040 1.00000 0.01060 O6 0.33719 0.50319 0.39580 1.00000 0.01140 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 CaA1 0.02450 0.01050 0.01450 -0.00290 -0.00160 0.00020 NaA1 0.02450 0.01050 0.01450 -0.00290 -0.00160 0.00020 NaA2' 0.01330 0.05070 0.01340 0.00000 0.00400 0.00000 KA2' 0.01330 0.05070 0.01340 0.00000 0.00400 0.00000 MgM1 0.00760 0.00710 0.00890 0.00000 0.00400 0.00000 MnM1 0.00760 0.00710 0.00890 0.00000 0.00400 0.00000 MgM2 0.00520 0.00520 0.00540 -0.00007 0.00230 -0.00006 FeM2 0.00520 0.00520 0.00540 -0.00007 0.00230 -0.00006 AlM2 0.00520 0.00520 0.00540 -0.00007 0.00230 -0.00006 As1 0.00652 0.00518 0.00573 0.00000 0.00187 0.00000 P1 0.00652 0.00518 0.00573 0.00000 0.00187 0.00000 As2 0.00588 0.00538 0.00556 -0.00004 0.00211 -0.00014 P2 0.00588 0.00538 0.00556 -0.00004 0.00211 -0.00014 O1 0.00920 0.01340 0.00810 -0.00170 0.00370 -0.00200 O2 0.01020 0.01170 0.01960 0.00280 0.00190 -0.00530 O3 0.01110 0.00990 0.00790 -0.00320 0.00390 -0.00180 O4 0.00720 0.00990 0.01570 -0.00020 0.00380 -0.00030 O5 0.01290 0.01100 0.00830 0.00000 0.00470 0.00070 O6 0.01230 0.00740 0.01480 -0.00170 0.00560 0.00120