LMucko/crystallography-open-database huggingface dataset:
Crystal chemistry of the elbaite-schorl series Sample: 62ha
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003828
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: 62ha
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al7.459 B3.034 F0.503 Fe0.121 H3.713 Li1.282 Mg0.125 Mn0.096 Na0.625 O30.497
 Si5.966
;
_chemical_name_mineral           Elbaite
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   15.8528
_cell_length_b                   15.8528
_cell_length_c                   7.1083
_cell_volume                     1547.064
_cell_formula_units_Z            3
_database_code_amcsd             0003952
_exptl_crystal_density_diffrn    3.031
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.625 Al7.459 Fe.121 Mn.096 Mg.125 Li1.282 B3.034 Si5.966 F.503 O30.497
 H3.713
;
_cod_database_code               9003828
Crystal chemistry of the elbaite-schorl series Sample: 64gh
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003829
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: 64gh
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al7.356 B3.004 Ca0.032 F0.516 Fe0.106 H6.484 K0.005 Li1.107 Mn0.43 Na0.661
 O33.484 Si6
;
_chemical_name_mineral           Elbaite
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   15.8801
_cell_length_b                   15.8801
_cell_length_c                   7.1169
_cell_formula_units_Z            3
_cell_volume                     1554.275
_database_code_amcsd             0003953
_exptl_crystal_density_diffrn    3.223
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Ca.032 Na.661 K.005 Al7.356 Fe.106 Mn.43 Li1.107 B3.004 Si6 F.516 O33.484
 H6.484
;
_cod_database_code               9003829
Crystal chemistry of the elbaite-schorl series Sample: L4e
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003830
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: L4e
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al7.082 B3.014 F0.754 Fe0.795 H3.332 K0.005 Li0.927 Mg0.106 Mn0.072 Na0.841
 O30.246 Si5.969 Ti0.035
;
_chemical_name_mineral           Elbaite
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   15.9010
_cell_length_b                   15.9010
_cell_length_c                   7.1238
_cell_volume                     1559.880
_database_code_amcsd             0003954
_exptl_crystal_density_diffrn    3.102
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.841 K.005 Ti.035 Al7.082 Fe.795 Mn.072 Mg.106 Li.927 B3.014 Si5.969 F.754
 O30.246 H3.332
;
_cod_database_code               9003830
Crystal chemistry of the elbaite-schorl series Sample: 61Vbh
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003831
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: 61Vbh
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al7.208 B3.026 Ca0.049 F0.542 Fe0.962 H3.355 K0.008 Li0.649 Mn0.149 Na0.823
 O30.458 Si5.871 Ti0.015 Zn0.15
;
_chemical_name_mineral           Elbaite
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   15.9285
_cell_length_b                   15.9285
_cell_length_c                   7.1286
_cell_volume                     1566.335
_database_code_amcsd             0003955
_exptl_crystal_density_diffrn    3.152
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Ca.049 Na.823 K.008 Ti.015 Al7.208 Fe.962 Mn.149 Zn.15 Li.649 B3.026 Si5.871
 F.542 O30.458 H3.355
;
_cod_database_code               9003831
Crystal chemistry of the elbaite-schorl series Sample: L4c
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003832
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: L4c
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al7.045 B3 F0.433 Fe1.438 H3.346 K0.007 Li0.299 Mg0.017 Mn0.191 Na0.649
 O30.567 Si5.893 Ti0.009 Zn0.108
;
_chemical_name_mineral           Elbaite
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   15.9569
_cell_length_b                   15.9569
_cell_length_c                   7.1369
_cell_formula_units_Z            3
_cell_volume                     1573.756
_database_code_amcsd             0003956
_exptl_crystal_density_diffrn    3.180
_cod_original_cell_volume        1573.755
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.649 K.007 Ti.009 Al7.045 Fe1.438 Mn.191 Mg.017 Zn.108 Li.299 B3 Si5.893
 F.433 O30.567 H3.346
;
_cod_database_code               9003832
Crystal chemistry of the elbaite-schorl series Sample: L3h
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003833
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: L3h
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al6.933 B3 Ca0.036 F0.235 Fe1.908 H3.303 K0.008 Li0.121 Mg0.06 Mn0.098
 Na0.602 O30.765 Si5.834 Ti0.027 Zn0.047
;
_chemical_name_mineral           Schorl
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   15.9784
_cell_length_b                   15.9784
_cell_length_c                   7.1495
_cell_volume                     1580.785
_database_code_amcsd             0003957
_exptl_crystal_density_diffrn    3.207
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Ca.036 Na.602 K.008 Ti.027 Al6.933 Fe1.908 Mn.098 Zn.047 Li.121 Mg.06 B3
 Si5.834 F.235 O30.765 H3.303
;
_cod_database_code               9003833
Crystal chemistry of the elbaite-schorl series Sample: L4b
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003834
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: L4b
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al6.898 B3 Ca0.009 F0.295 Fe1.774 H3.363 K0.009 Li0.172 Mg0.012 Mn0.124
 Na0.632 O30.705 Si5.929 Ti0.023 Zn0.067
;
_chemical_name_mineral           Schorl
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   15.9658
_cell_length_b                   15.9658
_cell_length_c                   7.1487
_cell_formula_units_Z            3
_cell_volume                     1578.117
_database_code_amcsd             0003958
_exptl_crystal_density_diffrn    3.199
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Ca.009 Na.632 K.009 Ti.023 Al6.898 Fe1.774 Mn.124 Zn.067 Li.172 Mg.012 B3
 Si5.929 F.295 O30.705 H3.363
;
_cod_database_code               9003834
Crystal chemistry of the elbaite-schorl series Sample: L4d
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003835
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: L4d
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al6.904 B3 Ca0.022 F0.201 Fe1.982 H3.347 K0.007 Mg0.137 Mn0.043 Na0.556
 O30.799 Si5.883 Ti0.019 Zn0.033
;
_chemical_name_mineral           Schorl
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   15.9768
_cell_length_b                   15.9768
_cell_length_c                   7.1534
_cell_volume                     1581.331
_database_code_amcsd             0003959
_exptl_crystal_density_diffrn    3.205
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Ca.022 Na.556 K.007 Ti.019 Al6.904 Fe1.982 Mn.043 Mg.137 Zn.033 B3 Si5.883
 F.201 O30.799 H3.347
;
_cod_database_code               9003835
Crystal chemistry of the elbaite-schorl series Sample: L1v
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003836
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: L1v
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al6.757 B3 Ca0.048 F0.201 Fe2.03 H3.367 K0.01 Li0.04 Mg0.251 Mn0.032 Na0.647
 O30.799 Si5.831 Ti0.032 Zn0.026
;
_chemical_name_mineral           Schorl
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   15.9825
_cell_length_b                   15.9825
_cell_length_c                   7.1596
_cell_formula_units_Z            3
_cell_volume                     1583.831
_database_code_amcsd             0003960
_exptl_crystal_density_diffrn    3.209
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Ca.048 Na.647 K.01 Ti.032 Al6.757 Fe2.03 Mn.032 Mg.251 Zn.026 Li.04 B3
 Si5.831 F.201 O30.799 H3.367
;
_cod_database_code               9003836
Crystal chemistry of the elbaite-schorl series Sample: L1z
Bosi, F.; Andreozzi, G. B.; Federico, M.; Graziani, G.; Lucchesi, S.; American Mineralogist 90 (2005) 1784–1792; doi:10.2138/am.2005.1827

data_9003837
_publ_section_title
;
 Crystal chemistry of the elbaite-schorl series
 Sample: L1z
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1784
_journal_page_last               1792
_journal_paper_doi               10.2138/am.2005.1827
_journal_volume                  90
_journal_year                    2005
_chemical_compound_source        'Cruziero pegmatite, Minas Gerais, Brazil'
_chemical_formula_sum
;Al6.705 B3 Ca0.071 F0.249 Fe2.014 H3.321 K0.007 Li0.05 Mg0.296 Mn0.036
 Na0.629 O30.751 Si5.832 Ti0.034 Zn0.031
;
_chemical_name_mineral           Schorl
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   15.9842
_cell_length_b                   15.9842
_cell_length_c                   7.1581
_cell_volume                     1583.836
_database_code_amcsd             0003961
_exptl_crystal_density_diffrn    3.210
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Ca.071 Na.629 K.007 Ti.034 Al6.705 Fe2.014 Mn.036 Mg.296 Zn.031 Li.05 B3
 Si5.832 F.249 O30.751 H3.321
;
_cod_database_code               9003837
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, untreated
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003838
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, 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 Fe0.847 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                 108.483
_cell_angle_gamma                90
_cell_length_a                   9.7071
_cell_length_b                   8.9435
_cell_length_c                   5.2481
_cell_formula_units_Z            4
_cell_volume                     432.114
_database_code_amcsd             0003962
_exptl_crystal_density_diffrn    3.560
_cod_original_formula_sum
'Mg.92 Fe.847 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003838
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 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_9003839
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 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 Ca0.192 Fe0.844 Mg0.922 Mn0.028 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                 108.507
_cell_angle_gamma                90
_cell_length_a                   9.7093
_cell_length_b                   8.9417
_cell_length_c                   5.2479
_cell_formula_units_Z            4
_cell_volume                     432.048
_database_code_amcsd             0003963
_exptl_crystal_density_diffrn    3.559
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 10 min'
_cod_original_formula_sum
'Mg.922 Fe.844 Ca.192 Mn.028 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003839
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 20 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003840
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 20 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                 108.478
_cell_angle_gamma                90
_cell_length_a                   9.7057
_cell_length_b                   8.9396
_cell_length_c                   5.2453
_cell_formula_units_Z            4
_cell_volume                     431.646
_database_code_amcsd             0003964
_exptl_crystal_density_diffrn    3.565
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 20 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               9003840
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 30 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003841
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 30 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 Mg0.916 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                 108.496
_cell_angle_gamma                90
_cell_length_a                   9.7118
_cell_length_b                   8.9442
_cell_length_c                   5.2484
_cell_formula_units_Z            4
_cell_volume                     432.349
_database_code_amcsd             0003965
_exptl_crystal_density_diffrn    3.560
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 30 min'
_cod_original_formula_sum
'Mg.916 Fe.85 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003841
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 50 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003842
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 50 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 Mg0.919 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                 108.475
_cell_angle_gamma                90
_cell_length_a                   9.7114
_cell_length_b                   8.9473
_cell_length_c                   5.2513
_cell_formula_units_Z            4
_cell_volume                     432.773
_database_code_amcsd             0003966
_exptl_crystal_density_diffrn    3.555
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 50 min'
_cod_original_formula_sum
'Mg.919 Fe.847 Ca.191 Mn.029 Na.003 Ti.01 Si1.984 Al.016 O6'
_cod_database_code               9003842
Kinetics of Fe2±Mg order-disorder in P2_1/c pigeonite Sample: N.35, annealed at T = 700 C for t = 90 min
Domeneghetti, M. C.; Zema, M.; Tazzoli, V.; American Mineralogist 90 (2005) 1816–1823; doi:10.2138/am.2005.1773

data_9003843
_publ_section_title
;
 Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
 Sample: N.35, annealed at T = 700 C for t = 90 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                 108.496
_cell_angle_gamma                90
_cell_length_a                   9.7087
_cell_length_b                   8.9405
_cell_length_c                   5.2468
_cell_formula_units_Z            4
_cell_volume                     431.901
_database_code_amcsd             0003967
_exptl_crystal_density_diffrn    3.562
_exptl_crystal_thermal_history   'annealed at T = 700 C for t = 90 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               9003843