data_global _chemical_name_mineral 'Clinozoisite' loop_ _publ_author_name 'Nagashima M' 'Geiger C A' 'Akasaka M' _journal_name_full 'American Mineralogist' _journal_volume 94 _journal_year 2009 _journal_page_first 1351 _journal_page_last 1360 _publ_section_title ; A crystal-chemical investigation of clinozoisite synthesized along the join Ca2Al3Si3O12(OH)-Ca2Al2CrSi3O12(OH) Note: T = 700 C, P = 1.2 GPa ; _database_code_amcsd 0004980 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ca2 Al2.5 Cr.5 Si3 O13' _cell_length_a 8.8859 _cell_length_b 5.6006 _cell_length_c 10.1500 _cell_angle_alpha 90 _cell_angle_beta 115.322 _cell_angle_gamma 90 _cell_volume 456.595 _exptl_crystal_density_diffrn 3.388 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-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 Ca1 0.76120 0.75000 0.15610 1.00000 0.00963 Ca2 0.60900 0.75000 0.42480 1.00000 0.01165 AlM1 0.00000 0.00000 0.00000 0.78000 0.00646 CrM1 0.00000 0.00000 0.00000 0.22000 0.00646 AlM2 0.00000 0.00000 0.50000 1.00000 0.00545 AlM3 0.28890 0.25000 0.22250 0.72000 0.00532 CrM3 0.28890 0.25000 0.22250 0.28000 0.00532 Si1 0.33920 0.75000 0.04630 1.00000 0.00519 Si2 0.67790 0.25000 0.27530 1.00000 0.00608 Si3 0.18160 0.75000 0.31910 1.00000 0.00532 O1 0.23900 0.99800 0.04590 1.00000 0.00887 O2 0.30500 0.98000 0.35140 1.00000 0.00798 O3 0.78670 0.01000 0.34250 1.00000 0.01001 O4 0.05690 0.25000 0.13800 1.00000 0.00760 O5 0.04100 0.75000 0.14200 1.00000 0.00760 O6 0.06600 0.75000 0.40300 1.00000 0.00633 O7 0.52000 0.75000 0.18100 1.00000 0.00760 O8 0.51500 0.25000 0.29900 1.00000 0.01140 O9 0.63600 0.25000 0.10700 1.00000 0.01267 O10 0.07300 0.25000 0.41700 1.00000 0.00887