LMucko/crystallography-open-database huggingface dataset:
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 180 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003844
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 180 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.851 Mg0.917 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.479
_cell_angle_gamma                90
_cell_length_a                   9.7104
_cell_length_b                   8.9417
_cell_length_c                   5.2476
_cell_formula_units_Z            4
_cell_volume                     432.143
_database_code_amcsd             0003968
_exptl_crystal_density_diffrn    3.561
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 180 min'
_cod_original_formula_sum
'Mg.917 Fe.851 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003844
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 300 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003845
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 300 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.85 Mg0.917 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.479
_cell_angle_gamma                90
_cell_length_a                   9.7120
_cell_length_b                   8.9434
_cell_length_c                   5.2492
_cell_formula_units_Z            4
_cell_volume                     432.428
_database_code_amcsd             0003969
_exptl_crystal_density_diffrn    3.559
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 300 min'
_cod_original_formula_sum
'Mg.917 Fe.85 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003845
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 600 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003846
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 600 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.848 Mg0.919 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.484
_cell_angle_gamma                90
_cell_length_a                   9.7132
_cell_length_b                   8.9469
_cell_length_c                   5.2500
_cell_formula_units_Z            4
_cell_volume                     432.704
_database_code_amcsd             0003970
_exptl_crystal_density_diffrn    3.556
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 600 min'
_cod_original_formula_sum
'Mg.919 Fe.848 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003846
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 1000 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003847
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 1000 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.85 Mg0.917 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.476
_cell_angle_gamma                90
_cell_length_a                   9.7096
_cell_length_b                   8.9421
_cell_length_c                   5.2464
_cell_formula_units_Z            4
_cell_volume                     432.036
_database_code_amcsd             0003971
_exptl_crystal_density_diffrn    3.562
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 1000 min'
_cod_original_formula_sum
'Mg.917 Fe.85 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003847
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 800 C for t = 1.5 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003848
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 800 C for t = 1.5 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.192 Fe0.847 Mg0.919 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.458
_cell_angle_gamma                90
_cell_length_a                   9.7069
_cell_length_b                   8.9427
_cell_length_c                   5.2470
_cell_formula_units_Z            4
_cell_volume                     432.039
_database_code_amcsd             0003972
_exptl_crystal_density_diffrn    3.561
_exptl_crystal_thermal_history   'annealed at T = 800 C for t = 1.5 min'
_cod_original_formula_sum
'Mg.919 Fe.847 Ca.192 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003848
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 800 C for t = 3.5 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003849
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 800 C for t = 3.5 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.851 Mg0.916 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.471
_cell_angle_gamma                90
_cell_length_a                   9.7088
_cell_length_b                   8.9429
_cell_length_c                   5.2473
_cell_formula_units_Z            4
_cell_volume                     432.126
_database_code_amcsd             0003973
_exptl_crystal_density_diffrn    3.562
_exptl_crystal_thermal_history   'annealed at T = 800 C for t = 3.5 min'
_cod_original_formula_sum
'Mg.916 Fe.851 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003849
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 800 C for t = 6 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003850
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 800 C for t = 6 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.852 Mg0.915 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.468
_cell_angle_gamma                90
_cell_length_a                   9.7094
_cell_length_b                   8.9457
_cell_length_c                   5.2478
_cell_formula_units_Z            4
_cell_volume                     432.336
_database_code_amcsd             0003974
_exptl_crystal_density_diffrn    3.561
_exptl_crystal_thermal_history   'annealed at T = 800 C for t = 6 min'
_cod_original_formula_sum
'Mg.915 Fe.852 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003850
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 800 C for t = 10 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003851
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 800 C for t = 10 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.85 Mg0.918 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.478
_cell_angle_gamma                90
_cell_length_a                   9.7113
_cell_length_b                   8.9455
_cell_length_c                   5.2504
_cell_formula_units_Z            4
_cell_volume                     432.600
_database_code_amcsd             0003975
_exptl_crystal_density_diffrn    3.557
_exptl_crystal_thermal_history   'annealed at T = 800 C for t = 10 min'
_cod_original_formula_sum
'Mg.918 Fe.85 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003851
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 800 C for t = 18 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003852
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 800 C for t = 18 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.851 Mg0.916 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.463
_cell_angle_gamma                90
_cell_length_a                   9.7134
_cell_length_b                   8.9482
_cell_length_c                   5.2485
_cell_formula_units_Z            4
_cell_volume                     432.706
_database_code_amcsd             0003976
_exptl_crystal_density_diffrn    3.557
_exptl_crystal_thermal_history   'annealed at T = 800 C for t = 18 min'
_cod_original_formula_sum
'Mg.916 Fe.851 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003852
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.13, annealed at T = 800 C for t = 60 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003853
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.13, annealed at T = 800 C for t = 60 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.847 Mg0.92 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.485
_cell_angle_gamma                90
_cell_length_a                   9.7075
_cell_length_b                   8.9444
_cell_length_c                   5.2461
_cell_formula_units_Z            4
_cell_volume                     432.006
_database_code_amcsd             0003977
_exptl_crystal_density_diffrn    3.561
_exptl_crystal_thermal_history   'annealed at T = 800 C for t = 60 min'
_cod_original_formula_sum
'Mg.92 Fe.847 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003853
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.13, untreated
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003854
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.13, untreated
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.848 Mg0.919 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.504
_cell_angle_gamma                90
_cell_length_a                   9.7060
_cell_length_b                   8.9400
_cell_length_c                   5.2460
_cell_formula_units_Z            4
_cell_volume                     431.671
_database_code_amcsd             0003978
_exptl_crystal_density_diffrn    3.564
_cod_original_formula_sum
'Mg.919 Fe.848 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003854
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.13, annealed at T = 650 C for t = 80 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003855
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.13, annealed at T = 650 C for t = 80 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.19 Fe0.852 Mg0.915 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.515
_cell_angle_gamma                90
_cell_length_a                   9.7096
_cell_length_b                   8.9413
_cell_length_c                   5.2473
_cell_formula_units_Z            4
_cell_volume                     431.973
_database_code_amcsd             0003979
_exptl_crystal_density_diffrn    3.564
_exptl_crystal_thermal_history   'annealed at T = 650 C for t = 80 min'
_cod_original_formula_sum
'Mg.915 Fe.852 Ca.19 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003855
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.13, annealed at T = 650 C for t = 120 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003856
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.13, annealed at T = 650 C for t = 120 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.851 Mg0.916 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.505
_cell_angle_gamma                90
_cell_length_a                   9.7084
_cell_length_b                   8.9414
_cell_length_c                   5.2476
_cell_formula_units_Z            4
_cell_volume                     431.974
_database_code_amcsd             0003980
_exptl_crystal_density_diffrn    3.563
_exptl_crystal_thermal_history   'annealed at T = 650 C for t = 120 min'
_cod_original_formula_sum
'Mg.916 Fe.851 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003856
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.13, annealed at T = 650 C for t = 240 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003857
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.13, annealed at T = 650 C for t = 240 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.849 Mg0.918 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.503
_cell_angle_gamma                90
_cell_length_a                   9.7086
_cell_length_b                   8.9421
_cell_length_c                   5.2473
_cell_formula_units_Z            4
_cell_volume                     431.997
_database_code_amcsd             0003981
_exptl_crystal_density_diffrn    3.562
_exptl_crystal_thermal_history   'annealed at T = 650 C for t = 240 min'
_cod_original_formula_sum
'Mg.918 Fe.849 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003857
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.13, annealed at T = 650 C for t = 360 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003858
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.13, annealed at T = 650 C for t = 360 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.849 Mg0.918 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.485
_cell_angle_gamma                90
_cell_length_a                   9.7074
_cell_length_b                   8.9415
_cell_length_c                   5.2468
_cell_formula_units_Z            4
_cell_volume                     431.919
_database_code_amcsd             0003982
_exptl_crystal_density_diffrn    3.563
_exptl_crystal_thermal_history   'annealed at T = 650 C for t = 360 min'
_cod_original_formula_sum
'Mg.918 Fe.849 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003858
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.13, annealed at T = 650 C for t = 840 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003859
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.13, annealed at T = 650 C for t = 840 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1816
_journal_page_last               1823
_journal_paper_doi               10.2138/am.2005.1773
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Parana, Brazil'
_chemical_formula_sum
'Al0.016 Ca0.191 Fe0.848 Mg0.919 Mn0.029 Na0.003 O6 Si1.984 Ti0.01'
_chemical_name_mineral           Pigeonite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.496
_cell_angle_gamma                90
_cell_length_a                   9.7083
_cell_length_b                   8.9419
_cell_length_c                   5.2481
_cell_formula_units_Z            4
_cell_volume                     432.058
_database_code_amcsd             0003983
_exptl_crystal_density_diffrn    3.561
_exptl_crystal_thermal_history   'annealed at T = 650 C for t = 840 min'
_cod_original_formula_sum
'Mg.919 Fe.848 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003859