LMucko/crystallography-open-database huggingface dataset:
New data on megacyclite
Zubkova, N. V.; Pekov, I. V.; Chukanov, N. V.; Listsin, D. V.; Rabadanov, M. K.; Pushcharovsky, D. Y.; New Data on Minerals. Moscow 42 (2007) 81–92; doi:

data_9013160
_publ_section_title
;
 New data on megacyclite
;
_journal_name_full               'New Data on Minerals. Moscow'
_journal_page_first              81
_journal_page_last               92
_journal_volume                  42
_journal_year                    2007
_chemical_formula_sum            'H46 K Na8 O46 Si9'
_chemical_name_mineral           Megacyclite
_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                 94.486
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   24.8219
_cell_length_b                   11.9236
_cell_length_c                   14.8765
_cell_volume                     4389.456
_database_code_amcsd             0014933
_exptl_crystal_density_diffrn    1.904
_cod_original_formula_sum        'K Na8 Si9 O46 H46'
_cod_database_code               9013160
Hydrothermal wurtzite at Thomaston Dam, Connecticut
Myer, G. H.; American Mineralogist 47 (1962) 977–979; doi:

data_9013162
_publ_section_title
;
 Hydrothermal wurtzite at Thomaston Dam, Connecticut
;
_journal_name_full               'American Mineralogist'
_journal_page_first              977
_journal_page_last               979
_journal_volume                  47
_journal_year                    1962
_chemical_compound_source        'Thomaston Dam, Connecticut'
_chemical_formula_sum            'S Zn'
_chemical_name_mineral           Wurtzite-6H
_space_group_IT_number           186
_symmetry_space_group_name_Hall  'P 6c -2c'
_symmetry_space_group_name_H-M   'P 63 m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   3.812
_cell_length_b                   3.812
_cell_length_c                   18.68999
_cell_formula_units_Z            6
_cell_volume                     235.204
_database_code_amcsd             0000115
_exptl_crystal_density_diffrn    4.128
_cod_original_formula_sum        'Zn S'
_cod_database_code               9013162
A PH2O-dependent structural phase transition in the zeolite natrolite Sample: alpha1-metanatrolite at 400 C, 0.15 mbar
Wang, H.; Bish, D. L.; American Mineralogist 93 (2008) 1191–1194; doi:10.2138/am.2008.2949

data_9013163
_publ_section_title
;
 A PH2O-dependent structural phase transition in the zeolite natrolite
 Sample: alpha1-metanatrolite at 400 C, 0.15 mbar
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1191
_journal_page_last               1194
_journal_paper_doi               10.2138/am.2008.2949
_journal_volume                  93
_journal_year                    2008
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Al2 Na2 O10 Si3'
_chemical_name_mineral           Natrolite
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y (1/2*z,x-1/2*z,y)'
_space_group_name_H-M_alt        'C 1 2 1 (a+2*c,a,b)'
_symmetry_space_group_name_H-M   'F 1 1 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                89.680
_cell_length_a                   16.167
_cell_length_b                   16.938
_cell_length_c                   6.4380
_cell_formula_units_Z            8
_cell_volume                     1762.933
_database_code_amcsd             0004617
_exptl_crystal_density_diffrn    2.594
_cod_depositor_comments
;
 Updating space group information.

 2018-06-13,
 Antanas Vaitkus
;
_cod_original_sg_symbol_H-M      'F 1 1 2'
_cod_original_formula_sum        'Si3 Al2 Na2 O10'
_cod_database_code               9013163
High-pressure behavior of gypsum: A single-crystal X-ray study Note: P = 0.0001 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013164
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Note: P = 0.0001 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_compound_source        'Valle di Caramanico, Abruzzo, Italy'
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 114.11
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.277
_cell_length_b                   15.181
_cell_length_c                   5.672
_cell_volume                     493.340
_database_code_amcsd             0004651
_diffrn_ambient_pressure         100
_exptl_crystal_density_diffrn    2.318
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013164
High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 0.25 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013165
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Locality: Valle di Caramanico, Abruzzo, Italy
 Note: P = 0.25 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 114.13
_cell_angle_gamma                90
_cell_length_a                   6.282
_cell_length_b                   15.175
_cell_length_c                   5.673
_cell_volume                     493.548
_diffrn_ambient_pressure         2.5e+05
_exptl_crystal_density_diffrn    2.317
_cell_formula_units_Z            4
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013165
_database_code_amcsd 0004652
High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 0.33 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013166
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Locality: Valle di Caramanico, Abruzzo, Italy
 Note: P = 0.33 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 114.10
_cell_angle_gamma                90
_cell_length_a                   6.269
_cell_length_b                   15.140
_cell_length_c                   5.665
_cell_volume                     490.813
_diffrn_ambient_pressure         3.3e+05
_exptl_crystal_density_diffrn    2.330
_cell_formula_units_Z            4
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013166
_database_code_amcsd 0004653
High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 0.56 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013167
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Locality: Valle di Caramanico, Abruzzo, Italy
 Note: P = 0.56 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 114.24
_cell_angle_gamma                90
_cell_length_a                   6.263
_cell_length_b                   15.163
_cell_length_c                   5.662
_cell_volume                     490.290
_diffrn_ambient_pressure         5.6e+05
_exptl_crystal_density_diffrn    2.332
_cell_formula_units_Z            4
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013167
_database_code_amcsd 0004654
High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 1.01 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013168
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Locality: Valle di Caramanico, Abruzzo, Italy
 Note: P = 1.01 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 114.42
_cell_angle_gamma                90
_cell_length_a                   6.241
_cell_length_b                   15.130
_cell_length_c                   5.645
_cell_volume                     485.351
_diffrn_ambient_pressure         1.01e+06
_cell_formula_units_Z            4
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_exptl_crystal_density_diffrn    2.356
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013168
_database_code_amcsd 0004655
High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 2.03 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013169
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Locality: Valle di Caramanico, Abruzzo, Italy
 Note: P = 2.03 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 114.86
_cell_angle_gamma                90
_cell_length_a                   6.200
_cell_length_b                   15.010
_cell_length_c                   5.610
_cell_volume                     473.701
_diffrn_ambient_pressure         2.03e+06
_exptl_crystal_density_diffrn    2.414
_cell_formula_units_Z            4
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013169
_database_code_amcsd 0004656
High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 3.15 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013170
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Locality: Valle di Caramanico, Abruzzo, Italy
 Note: P = 3.15 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 115.38
_cell_angle_gamma                90
_cell_length_a                   6.162
_cell_length_b                   14.965
_cell_length_c                   5.580
_cell_volume                     464.894
_diffrn_ambient_pressure         3.15e+06
_exptl_crystal_density_diffrn    2.460
_cell_formula_units_Z            4
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013170
_database_code_amcsd 0004657
High-pressure behavior of gypsum: A single-crystal X-ray study Locality: Valle di Caramanico, Abruzzo, Italy Note: P = 3.94 GPa
Comodi, P.; Nazzareni, S.; Zanazzi, P. F.; Speziale, S.; American Mineralogist 93 (2008) 1530–1537; doi:10.2138/am.2008.2917

data_9013171
_publ_section_title
;
 High-pressure behavior of gypsum: A single-crystal X-ray study
 Locality: Valle di Caramanico, Abruzzo, Italy
 Note: P = 3.94 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1530
_journal_page_last               1537
_journal_paper_doi               10.2138/am.2008.2917
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Ca H4 O6 S'
_chemical_name_mineral           Gypsum
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 115.73
_cell_angle_gamma                90
_cell_length_a                   6.136
_cell_length_b                   14.912
_cell_length_c                   5.556
_cell_volume                     457.969
_diffrn_ambient_pressure         3.94e+06
_exptl_crystal_density_diffrn    2.497
_cell_formula_units_Z            4
_cod_depositor_comments
;
         Z inserted to be consistent with given formula
        Water oxygen atoms renamed so that they are treated as oxygens
                                          miguel
;
_cod_original_formula_sum        'Ca S O6 H4'
_cod_database_code               9013171
_database_code_amcsd 0004658
Herderite from Mogok, Myanmar, and comparison with hydroxyl-herderite from Ehrenfriedersdorf, Germany Note: 108370
Harlow, G. E.; Hawthorne, F. C.; American Mineralogist 93 (2008) 1545–1549; doi:10.2138/am.2008.2943

data_9013172
_publ_section_title
;
 Herderite from Mogok, Myanmar, and comparison with hydroxyl-herderite from
 Ehrenfriedersdorf, Germany
 Note: 108370
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1545
_journal_page_last               1549
_journal_paper_doi               10.2138/am.2008.2943
_journal_volume                  93
_journal_year                    2008
_chemical_compound_source        'Mogok Stone Tract, Myanmar'
_chemical_formula_sum            'Be Ca F0.776 H0.224 O4.224 P'
_chemical_name_mineral           Herderite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.667
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7446
_cell_length_b                   7.6769
_cell_length_c                   4.7633
_cell_volume                     356.310
_database_code_amcsd             0004659
_exptl_crystal_density_diffrn    3.031
_cod_original_formula_sum        'Ca Be P O4.224 (F.776 H.224)'
_cod_database_code               9013172
Herderite from Mogok, Myanmar, and comparison with hydroxyl-herderite from Ehrenfriedersdorf, Germany Locality: Sauberg mine, Morgenrother Zug, Ehrenfriedersdorf, Germany Note: 20517 Note: Occupancies derived from X-ray diffraction analysis
Harlow, G. E.; Hawthorne, F. C.; American Mineralogist 93 (2008) 1545–1549; doi:10.2138/am.2008.2943

data_9013173
_publ_section_title
;
 Herderite from Mogok, Myanmar, and comparison with hydroxyl-herderite from
 Ehrenfriedersdorf, Germany
 Locality: Sauberg mine, Morgenrother Zug, Ehrenfriedersdorf, Germany
 Note: 20517
 Note: Occupancies derived from X-ray diffraction analysis
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1545
_journal_page_last               1549
_journal_paper_doi               10.2138/am.2008.2943
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Be Ca F0.515 H0.485 O4.485 P'
_chemical_name_mineral           Herderite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.184
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7615
_cell_length_b                   7.6680
_cell_length_c                   4.7853
_cell_volume                     358.184
_database_code_amcsd             0004660
_exptl_crystal_density_diffrn    3.006
_cod_original_formula_sum        'Ca Be P O4.485 (F.515 H.485)'
_cod_database_code               9013173
Herderite from Mogok, Myanmar, and comparison with hydroxyl-herderite from Ehrenfriedersdorf, Germany Locality: Sauberg mine, Morgenrother Zug, Ehrenfriedersdorf, Germany Note: 20517 Note: Occupancies derived from electron-microprobe analysis
Harlow, G. E.; Hawthorne, F. C.; American Mineralogist 93 (2008) 1545–1549; doi:10.2138/am.2008.2943

data_9013174
_publ_section_title
;
 Herderite from Mogok, Myanmar, and comparison with hydroxyl-herderite from
 Ehrenfriedersdorf, Germany
 Locality: Sauberg mine, Morgenrother Zug, Ehrenfriedersdorf, Germany
 Note: 20517
 Note: Occupancies derived from electron-microprobe analysis
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1545
_journal_page_last               1549
_journal_paper_doi               10.2138/am.2008.2943
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Be Ca F0.48 H0.52 O4.52 P'
_chemical_name_mineral           Hydroxylherderite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.184
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7615
_cell_length_b                   7.6680
_cell_length_c                   4.7853
_cell_volume                     358.184
_exptl_crystal_density_diffrn    3.005
_cod_original_formula_sum        'Ca Be P O4.52 (F.48 H.52)'
_cod_database_code               9013174
Neutron diffraction study of delta-AlOOD at high pressure and its implication for symmetrization of the hydrogen bond Note: P = 0.0001 GPa Locality: synthetic
Furukawa, A. S.; Komatsu, K.; Vanpeteghem, C. B.; Ohtani, E.; American Mineralogist 93 (2008) 1558–1567; doi:10.2138/am.2008.2849

data_9013175
_publ_section_title
;Neutron diffraction study of delta-AlOOD at high pressure and its implication
 for symmetrization of the hydrogen bond Note: P = 0.0001 GPa Locality:
 synthetic
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1558
_journal_page_last               1567
_journal_paper_doi               10.2138/am.2008.2849
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Al D0.744 H0.256 O2'
_chemical_name_common            delta-AlOOD
_space_group_IT_number           31
_symmetry_space_group_name_Hall  'P -2 2ac'
_symmetry_space_group_name_H-M   'P 21 n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.7179
_cell_length_b                   4.2361
_cell_length_c                   2.8323
_cell_formula_units_Z            2
_cell_volume                     56.605
_diffrn_ambient_pressure         100
_exptl_crystal_density_diffrn    3.563
_cod_original_formula_sum        'Al O2 (D.744 H.256)'
_cod_database_code               9013175
_database_code_amcsd 0004662
Neutron diffraction study of delta-AlOOD at high pressure and its implication for symmetrization of the hydrogen bond Note: P = 0.6 GPa Locality: synthetic
Furukawa, A. S.; Komatsu, K.; Vanpeteghem, C. B.; Ohtani, E.; American Mineralogist 93 (2008) 1558–1567; doi:10.2138/am.2008.2849

data_9013176
_publ_section_title
;Neutron diffraction study of delta-AlOOD at high pressure and its implication
 for symmetrization of the hydrogen bond Note: P = 0.6 GPa Locality: synthetic
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1558
_journal_page_last               1567
_journal_paper_doi               10.2138/am.2008.2849
_journal_volume                  93
_journal_year                    2008
_chemical_formula_sum            'Al D0.744 H0.256 O2'
_chemical_name_common            delta-AlOOD
_space_group_IT_number           31
_symmetry_space_group_name_Hall  'P -2 2ac'
_symmetry_space_group_name_H-M   'P 21 n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.7112
_cell_length_b                   4.2284
_cell_length_c                   2.8296
_cell_formula_units_Z            2
_cell_volume                     56.368
_diffrn_ambient_pressure         6e+05
_exptl_crystal_density_diffrn    3.578
_cod_original_formula_sum        'Al O2 (D.744 H.256)'
_cod_database_code               9013176
_database_code_amcsd 0004663