LMucko/crystallography-open-database huggingface dataset:
Single-crystal structure refinements and crystal chemistry of synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where M = Ni, Mg, Co, Fe, Al Sample: Ann#1
Redhammer, G. J.; Roth, G.; American Mineralogist 87 (2002) 1464–1476; doi:

data_9002840
_publ_section_title
;
 Single-crystal structure refinements and crystal chemistry of
 synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where
 M = Ni, Mg, Co, Fe, Al
 Sample: Ann#1
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1464
_journal_page_last               1476
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
'Al F0.14 Fe2.68 H1.84 K0.93 Mg0.06 Mn0.18 Na0.07 O11.86 Si2.84 Ti0.09'
_chemical_name_mineral           Annite
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.200
_cell_angle_gamma                90
_cell_length_a                   5.4059
_cell_length_b                   9.3639
_cell_length_c                   10.3235
_cell_formula_units_Z            2
_cell_volume                     514.320
_database_code_amcsd             0002929
_exptl_crystal_density_diffrn    3.256
_cod_original_formula_sum
'Si2.84 Al Fe2.68 Mg.06 Mn.18 Ti.09 (K.93 Na.07) O11.86 F.14 H1.84'
_cod_database_code               9002840
Single-crystal structure refinements and crystal chemistry of synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where M = Ni, Mg, Co, Fe, Al Sample: G-117
Redhammer, G. J.; Roth, G.; American Mineralogist 87 (2002) 1464–1476; doi:

data_9002841
_publ_section_title
;
 Single-crystal structure refinements and crystal chemistry of
 synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where
 M = Ni, Mg, Co, Fe, Al
 Sample: G-117
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1464
_journal_page_last               1476
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
'Al1.71 F0.04 Fe2.37 H1.9 K Mg0.12 Mn0.03 O11.96 Si2.56 Ti0.03'
_chemical_name_mineral           Annite
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.220
_cell_angle_gamma                90
_cell_length_a                   5.3741
_cell_length_b                   9.3083
_cell_length_c                   10.2829
_cell_formula_units_Z            2
_cell_volume                     506.228
_database_code_amcsd             0002930
_exptl_crystal_density_diffrn    3.211
_cod_original_formula_sum
'Al1.71 Si2.56 Mg.12 Fe2.37 Mn.03 Ti.03 K O11.96 F.04 H1.9'
_cod_database_code               9002841
Single-crystal structure refinements and crystal chemistry of synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where M = Ni, Mg, Co, Fe, Al Sample: Sdp#3
Redhammer, G. J.; Roth, G.; American Mineralogist 87 (2002) 1464–1476; doi:

data_9002842
_publ_section_title
;
 Single-crystal structure refinements and crystal chemistry of
 synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where
 M = Ni, Mg, Co, Fe, Al
 Sample: Sdp#3
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1464
_journal_page_last               1476
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
;Al2.1 Cl0.02 F0.1 Fe2.12 H1.88 K0.89 Mg0.06 Mn0.12 Na0.04 O11.88 Si2.48
 Ti0.03
;
_chemical_name_mineral           Siderophyllite
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.250
_cell_angle_gamma                90
_cell_length_a                   5.3710
_cell_length_b                   9.3020
_cell_length_c                   10.2560
_cell_formula_units_Z            2
_cell_volume                     504.223
_database_code_amcsd             0002931
_exptl_crystal_density_diffrn    3.191
_cod_original_formula_sum
'Al2.1 Si2.48 Fe2.12 Mg.06 Mn.12 Ti.03 K.89 Na.04 O11.88 F.1 Cl.02 H1.88'
_cod_database_code               9002842
Structure of synthetic Na-rich birnessite: Evidence for a triclinic one-layer unit cell
Lanson, B.; Drits, V. A.; Feng, Q.; Manceau, A.; American Mineralogist 87 (2002) 1662–1671; doi:

data_9002843
_publ_section_title
;
 Structure of synthetic Na-rich birnessite: Evidence for a triclinic
 one-layer unit cell
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1662
_journal_page_last               1671
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'H2.72 Mn0.5 Na0.364 O2.544'
_chemical_name_mineral           Birnessite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                78.72
_cell_angle_beta                 101.79
_cell_angle_gamma                122.33
_cell_formula_units_Z            1
_cell_length_a                   2.9513
_cell_length_b                   2.9547
_cell_length_c                   7.334
_cell_volume                     52.611
_database_code_amcsd             0002932
_exptl_crystal_density_diffrn    2.502
_cod_original_formula_sum        'Mn.5 O2.544 Na.364 H2.72'
_cod_database_code               9002843
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 0.0 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002844
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 0.0 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.08149
_cell_length_b                   8.08149
_cell_length_c                   8.08149
_cell_formula_units_Z            8
_cell_volume                     527.806
_database_code_amcsd             0002933
_diffrn_ambient_pressure         0
_exptl_crystal_density_diffrn    3.581
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002844
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 0.6 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002845
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 0.6 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.07262
_cell_length_b                   8.07262
_cell_length_c                   8.07262
_cell_formula_units_Z            8
_cell_volume                     526.070
_database_code_amcsd             0002934
_diffrn_ambient_pressure         6e+05
_exptl_crystal_density_diffrn    3.592
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002845
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 1.1 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002846
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 1.1 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.06652
_cell_length_b                   8.06652
_cell_length_c                   8.06652
_cell_formula_units_Z            8
_cell_volume                     524.878
_database_code_amcsd             0002935
_diffrn_ambient_pressure         1.1e+06
_exptl_crystal_density_diffrn    3.601
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002846
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 1.7 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002847
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 1.7 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.05714
_cell_length_b                   8.05714
_cell_length_c                   8.05714
_cell_formula_units_Z            8
_cell_volume                     523.049
_database_code_amcsd             0002936
_diffrn_ambient_pressure         1.7e+06
_exptl_crystal_density_diffrn    3.613
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002847
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 3.1 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002848
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 3.1 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.04100
_cell_length_b                   8.04100
_cell_length_c                   8.04100
_cell_formula_units_Z            8
_cell_volume                     519.912
_database_code_amcsd             0002937
_diffrn_ambient_pressure         3.1e+06
_exptl_crystal_density_diffrn    3.635
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002848
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 4.5 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002849
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 4.5 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.02441
_cell_length_b                   8.02441
_cell_length_c                   8.02441
_cell_formula_units_Z            8
_cell_volume                     516.701
_database_code_amcsd             0002938
_diffrn_ambient_pressure         4.5e+06
_exptl_crystal_density_diffrn    3.658
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002849
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 5.0 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002850
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 5.0 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.01530
_cell_length_b                   8.01530
_cell_length_c                   8.01530
_cell_formula_units_Z            8
_cell_volume                     514.943
_database_code_amcsd             0002939
_diffrn_ambient_pressure         5e+06
_exptl_crystal_density_diffrn    3.670
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002850
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 5.9 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002851
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 5.9 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.00560
_cell_length_b                   8.00560
_cell_length_c                   8.00560
_cell_formula_units_Z            8
_cell_volume                     513.076
_database_code_amcsd             0002940
_diffrn_ambient_pressure         5.9e+06
_exptl_crystal_density_diffrn    3.683
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002851
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 7.2 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002852
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 7.2 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.98909
_cell_length_b                   7.98909
_cell_length_c                   7.98909
_cell_formula_units_Z            8
_cell_volume                     509.908
_database_code_amcsd             0002941
_diffrn_ambient_pressure         7.2e+06
_exptl_crystal_density_diffrn    3.706
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002852
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 8.1 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002853
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 8.1 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.98193
_cell_length_b                   7.98193
_cell_length_c                   7.98193
_cell_formula_units_Z            8
_cell_volume                     508.538
_database_code_amcsd             0002942
_diffrn_ambient_pressure         8.1e+06
_exptl_crystal_density_diffrn    3.716
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002853
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 9.1 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002854
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 9.1 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.97068
_cell_length_b                   7.97068
_cell_length_c                   7.97068
_cell_formula_units_Z            8
_cell_volume                     506.391
_database_code_amcsd             0002943
_diffrn_ambient_pressure         9.1e+06
_exptl_crystal_density_diffrn    3.732
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002854
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 10.1 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002855
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 10.1 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.96121
_cell_length_b                   7.96121
_cell_length_c                   7.96121
_cell_formula_units_Z            8
_cell_volume                     504.588
_database_code_amcsd             0002944
_diffrn_ambient_pressure         1.01e+07
_exptl_crystal_density_diffrn    3.745
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002855
Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa): A synchrotron X-ray powder diffraction study P = 11.1 GPa
Levy, D.; Pavese, A.; Hanfland, M.; American Mineralogist 88 (2003) 93–98; doi:

data_9002856
_publ_section_title
;
 Synthetic MgAl2O4 (spinel) at high pressure conditions (0.0001-30 GPa):
 A synchrotron X-ray powder diffraction study
 P = 11.1 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              93
_journal_page_last               98
_journal_volume                  88
_journal_year                    2003
_chemical_formula_structural     MgAl2O4
_chemical_formula_sum            'Al2 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.94976
_cell_length_b                   7.94976
_cell_length_c                   7.94976
_cell_formula_units_Z            8
_cell_volume                     502.414
_database_code_amcsd             0002945
_diffrn_ambient_pressure         1.11e+07
_exptl_crystal_density_diffrn    3.762
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Al2 Mg) O4'
_cod_database_code               9002856