LMucko/crystallography-open-database huggingface dataset:
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 180 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003936
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 180 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.828 Cr0.03 Mg1.142 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                   8.0889
_cell_length_b                   8.0889
_cell_length_c                   8.0889
_cell_formula_units_Z            8
_cell_volume                     529.259
_database_code_amcsd             0004060
_exptl_crystal_density_diffrn    3.580
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 180 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.142 Al1.828 Cr.03 O4'
_cod_database_code               9003936
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 420 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003937
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 420 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.826 Cr0.03 Mg1.144 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                   8.0889
_cell_length_b                   8.0889
_cell_length_c                   8.0889
_cell_formula_units_Z            8
_cell_volume                     529.259
_database_code_amcsd             0004061
_exptl_crystal_density_diffrn    3.580
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 420 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.144 Al1.826 Cr.03 O4'
_cod_database_code               9003937
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 840 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003938
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 840 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.826 Cr0.03 Mg1.144 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                   8.0889
_cell_length_b                   8.0889
_cell_length_c                   8.0889
_cell_formula_units_Z            8
_cell_volume                     529.259
_database_code_amcsd             0004062
_exptl_crystal_density_diffrn    3.580
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 840 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.144 Al1.826 Cr.03 O4'
_cod_database_code               9003938
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 2520 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003939
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 2520 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.822 Cr0.03 Mg1.148 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                   8.0888
_cell_length_b                   8.0888
_cell_length_c                   8.0888
_cell_formula_units_Z            8
_cell_volume                     529.240
_database_code_amcsd             0004063
_exptl_crystal_density_diffrn    3.580
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 2520 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.148 Al1.822 Cr.03 O4'
_cod_database_code               9003939
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 3960 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003940
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 3960 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.819 Cr0.03 Mg1.151 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                   8.0889
_cell_length_b                   8.0889
_cell_length_c                   8.0889
_cell_formula_units_Z            8
_cell_volume                     529.259
_database_code_amcsd             0004064
_exptl_crystal_density_diffrn    3.580
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 3960 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.151 Al1.819 Cr.03 O4'
_cod_database_code               9003940
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 7980 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003941
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 7980 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.814 Cr0.03 Mg1.156 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                   8.0888
_cell_length_b                   8.0888
_cell_length_c                   8.0888
_cell_formula_units_Z            8
_cell_volume                     529.240
_database_code_amcsd             0004065
_exptl_crystal_density_diffrn    3.579
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 7980 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.156 Al1.814 Cr.03 O4'
_cod_database_code               9003941
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 15840 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003942
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 15840 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.811 Cr0.03 Mg1.159 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                   8.0887
_cell_length_b                   8.0887
_cell_length_c                   8.0887
_cell_formula_units_Z            8
_cell_volume                     529.220
_database_code_amcsd             0004066
_exptl_crystal_density_diffrn    3.579
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 15840 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.159 Al1.811 Cr.03 O4'
_cod_database_code               9003942
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, disordering, t = 33120 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003943
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, disordering, t = 33120 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.803 Cr0.03 Mg1.167 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                   8.0887
_cell_length_b                   8.0887
_cell_length_c                   8.0887
_cell_formula_units_Z            8
_cell_volume                     529.220
_database_code_amcsd             0004067
_exptl_crystal_density_diffrn    3.579
_exptl_crystal_thermal_history
'annealed at T = 650 C, disordering, t = 33120 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.167 Al1.803 Cr.03 O4'
_cod_database_code               9003943
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, ordering, t = 0 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003944
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, ordering, t = 0 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.699 Cr0.03 Mg1.271 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                   8.0865
_cell_length_b                   8.0865
_cell_length_c                   8.0865
_cell_formula_units_Z            8
_cell_volume                     528.788
_database_code_amcsd             0004068
_exptl_crystal_density_diffrn    3.575
_exptl_crystal_thermal_history   'annealed at T = 650 C, ordering, t = 0 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.271 Al1.699 Cr.03 O4'
_cod_database_code               9003944
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, ordering, t = 12 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003945
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, ordering, t = 12 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.712 Cr0.03 Mg1.258 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                   8.0862
_cell_length_b                   8.0862
_cell_length_c                   8.0862
_cell_formula_units_Z            8
_cell_volume                     528.729
_database_code_amcsd             0004069
_exptl_crystal_density_diffrn    3.576
_exptl_crystal_thermal_history   'annealed at T = 650 C, ordering, t = 12 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.258 Al1.712 Cr.03 O4'
_cod_database_code               9003945
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, ordering, t = 36 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003946
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, ordering, t = 36 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.713 Cr0.03 Mg1.257 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                   8.0863
_cell_length_b                   8.0863
_cell_length_c                   8.0863
_cell_formula_units_Z            8
_cell_volume                     528.749
_database_code_amcsd             0004070
_exptl_crystal_density_diffrn    3.576
_exptl_crystal_thermal_history   'annealed at T = 650 C, ordering, t = 36 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.257 Al1.713 Cr.03 O4'
_cod_database_code               9003946
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, ordering, t = 120 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003947
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, ordering, t = 120 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.744 Cr0.03 Mg1.226 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                   8.0876
_cell_length_b                   8.0876
_cell_length_c                   8.0876
_cell_formula_units_Z            8
_cell_volume                     529.004
_database_code_amcsd             0004071
_exptl_crystal_density_diffrn    3.576
_exptl_crystal_thermal_history   'annealed at T = 650 C, ordering, t = 120 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.226 Al1.744 Cr.03 O4'
_cod_database_code               9003947
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, ordering, t = 240 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003948
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, ordering, t = 240 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.767 Cr0.03 Mg1.203 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                   8.0881
_cell_length_b                   8.0881
_cell_length_c                   8.0881
_cell_formula_units_Z            8
_cell_volume                     529.102
_database_code_amcsd             0004072
_exptl_crystal_density_diffrn    3.577
_exptl_crystal_thermal_history   'annealed at T = 650 C, ordering, t = 240 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.203 Al1.767 Cr.03 O4'
_cod_database_code               9003948
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, ordering, t = 480 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003949
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, ordering, t = 480 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.767 Cr0.03 Mg1.203 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                   8.0883
_cell_length_b                   8.0883
_cell_length_c                   8.0883
_cell_formula_units_Z            8
_cell_volume                     529.141
_database_code_amcsd             0004073
_exptl_crystal_density_diffrn    3.577
_exptl_crystal_thermal_history   'annealed at T = 650 C, ordering, t = 480 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.203 Al1.767 Cr.03 O4'
_cod_database_code               9003949
Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Ch, annealed at T = 650 C, ordering, t = 960 m
Princivalle, F.; Martignago, F.; Dal Negro, A.; American Mineralogist 91 (2006) 313–318; doi:10.2138/am.2006.1894

data_9003950
_publ_section_title
;
 Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels
 Sample: Ch, annealed at T = 650 C, ordering, t = 960 m
;
_journal_name_full               'American Mineralogist'
_journal_page_first              313
_journal_page_last               318
_journal_paper_doi               10.2138/am.2006.1894
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Olkhon metamorphic complex, Lake Baikal, Russia'
_chemical_formula_sum            'Al1.77 Cr0.03 Mg1.2 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                   8.0882
_cell_length_b                   8.0882
_cell_length_c                   8.0882
_cell_formula_units_Z            8
_cell_volume                     529.122
_database_code_amcsd             0004074
_exptl_crystal_density_diffrn    3.577
_exptl_crystal_thermal_history   'annealed at T = 650 C, ordering, t = 960 m'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.2 Al1.77 Cr.03 O4'
_cod_database_code               9003950