LMucko/crystallography-open-database huggingface dataset:
Crystal chemistry of Cr-V-rich clinopyroxenes Sample 4
Secco, L.; Martignago, F.; Dal Negro, A.; Reznitskii, L. Z.; Sklyarov, E. V.; American Mineralogist 87 (2002) 709–714; doi:

data_9002720
_publ_section_title
;
 Crystal chemistry of Cr-V-rich clinopyroxenes
 Sample 4
;
_journal_name_full               'American Mineralogist'
_journal_page_first              709
_journal_page_last               714
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
'Al0.046 Ca0.463 Cr0.238 Mg0.461 Na0.537 O6 Si2 V0.257'
_chemical_name_mineral           Natalyite
_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                 106.577
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6582
_cell_length_b                   8.8273
_cell_length_c                   5.2665
_cell_volume                     430.338
_database_code_amcsd             0002809
_exptl_crystal_density_diffrn    3.411
_cod_original_formula_sum
'Si2 Al.046 Cr.238 V.257 Mg.461 (Ca.463 Na.537) O6'
_cod_database_code               9002720
Crystal chemistry of Cr-V-rich clinopyroxenes Sample 5
Secco, L.; Martignago, F.; Dal Negro, A.; Reznitskii, L. Z.; Sklyarov, E. V.; American Mineralogist 87 (2002) 709–714; doi:

data_9002721
_publ_section_title
;
 Crystal chemistry of Cr-V-rich clinopyroxenes
 Sample 5
;
_journal_name_full               'American Mineralogist'
_journal_page_first              709
_journal_page_last               714
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
'Al0.035 Ca0.51 Cr0.247 Fe0.007 Mg0.484 Mn0.001 Na0.49 O6 Si1.982 V0.244'
_chemical_name_mineral           Diopside
_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                 106.483
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6718
_cell_length_b                   8.8412
_cell_length_c                   5.2670
_cell_volume                     431.874
_database_code_amcsd             0002810
_exptl_crystal_density_diffrn    3.411
_cod_original_formula_sum
'Si1.982 Al.035 Cr.247 V.244 Mg.484 Fe.007 Mn.001 (Ca.51 Na.49) O6'
_cod_database_code               9002721
Crystal chemistry of Cr-V-rich clinopyroxenes Sample 6
Secco, L.; Martignago, F.; Dal Negro, A.; Reznitskii, L. Z.; Sklyarov, E. V.; American Mineralogist 87 (2002) 709–714; doi:

data_9002722
_publ_section_title
;
 Crystal chemistry of Cr-V-rich clinopyroxenes
 Sample 6
;
_journal_name_full               'American Mineralogist'
_journal_page_first              709
_journal_page_last               714
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
;Al0.029 Ca0.509 Cr0.223 Fe0.011 Mg0.488 Mn0.001 Na0.491 O6 Si1.99 Ti0.001
 V0.257
;
_chemical_name_mineral           Diopside
_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                 106.446
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6774
_cell_length_b                   8.8479
_cell_length_c                   5.2662
_cell_volume                     432.468
_database_code_amcsd             0002811
_exptl_crystal_density_diffrn    3.404
_cod_original_formula_sum
'Si1.99 Al.029 Cr.223 V.257 Mg.488 Fe.011 Ti.001 Mn.001 (Ca.509 Na.491) O6'
_cod_database_code               9002722
The crystal structures of cesanite and its synthetic analogue - A comparison Sample: synthetic
Piotrowski, A.; Kahlenberg, V.; Fischer, R. X.; Lee, Y.; Parise, J. B.; American Mineralogist 87 (2002) 715–720; doi:

data_9002723
_publ_section_title
;
 The crystal structures of cesanite and its synthetic analogue -
 A comparison
 Sample: synthetic
;
_journal_name_full               'American Mineralogist'
_journal_page_first              715
_journal_page_last               720
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Ca1.555 H0.56 Na3.445 O12.56 S3'
_chemical_name_mineral           Cesanite
_space_group_IT_number           174
_symmetry_space_group_name_Hall  'P -6'
_symmetry_space_group_name_H-M   'P -6'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   9.4434
_cell_length_b                   9.4434
_cell_length_c                   6.8855
_cell_volume                     531.769
_database_code_amcsd             0002812
_exptl_crystal_density_diffrn    2.743
_cod_original_formula_sum        '(Ca1.555 Na3.445) S3 O12.56 H.56'
_cod_database_code               9002723
The crystal structures of cesanite and its synthetic analogue - A comparison Sample: natural
Piotrowski, A.; Kahlenberg, V.; Fischer, R. X.; Lee, Y.; Parise, J. B.; American Mineralogist 87 (2002) 715–720; doi:

data_9002724
_publ_section_title
;
 The crystal structures of cesanite and its synthetic analogue -
 A comparison
 Sample: natural
;
_journal_name_full               'American Mineralogist'
_journal_page_first              715
_journal_page_last               720
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Ca2.98 H1.77 Na7.02 O25.77 S6'
_chemical_name_mineral           Cesanite
_space_group_IT_number           174
_symmetry_space_group_name_Hall  'P -6'
_symmetry_space_group_name_H-M   'P -6'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   9.4630
_cell_length_b                   9.4630
_cell_length_c                   6.9088
_cell_volume                     535.785
_database_code_amcsd             0002813
_exptl_crystal_density_diffrn    2.750
_cod_original_cell_volume        535.786
_cod_original_formula_sum        'Ca2.98 Na7.02 S6 O25.77 H1.77'
_cod_database_code               9002724
Disordered distribution of Cu in the crystal structure of leightonite, K2Ca2Cu(SO4)4.2H2O
Menchetti, S.; Bindi, L.; Bonazzi, P.; Olmi, F.; American Mineralogist 87 (2002) 721–725; doi:

data_9002725
_publ_section_title
;
 Disordered distribution of Cu in the crystal structure of leightonite,
 K2Ca2Cu(SO4)4.2H2O
;
_journal_name_full               'American Mineralogist'
_journal_page_first              721
_journal_page_last               725
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Ca Cu0.68 H4 K O9 S2'
_chemical_name_mineral           Leightonite
_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                 125.21
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.654
_cell_length_b                   7.497
_cell_length_c                   10.097
_cell_volume                     720.776
_database_code_amcsd             0002814
_exptl_crystal_density_diffrn    3.083
_cod_original_formula_sum        'K O9 Ca Cu.68 S2 H4'
_cod_database_code               9002725
Neustadtelite and cobaltneustadtelite, the Fe- and Co- analogues of medenbachite
Krause, W.; Bernhardt, H. J.; McCammon, C. A.; Effenberger, H.; American Mineralogist 87 (2002) 726–738; doi:

data_9002726
_publ_section_title
;Neustadtelite and cobaltneustadtelite, the Fe- and Co- analogues of
 medenbachite
;
_journal_name_full               'American Mineralogist'
_journal_page_first              726
_journal_page_last               738
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
'Al0.05 As2 Bi1.96 Ca0.04 Co0.38 Cu0.01 Fe1.5 H2 Ni0.04 O12 Zn0.01'
_chemical_name_mineral           Neustadtelite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                95.52
_cell_angle_beta                 99.51
_cell_angle_gamma                92.85
_cell_formula_units_Z            1
_cell_length_a                   4.566
_cell_length_b                   6.158
_cell_length_c                   8.972
_cell_volume                     247.095
_database_code_amcsd             0002815
_exptl_crystal_density_diffrn    5.821
_cod_original_formula_sum
'Bi1.96 Ca.04 Fe1.5 Co.38 Ni.04 Al.05 Zn.01 Cu.01 As2 O12 H2'
_cod_database_code               9002726
Neustadtelite and cobaltneustadtelite, the Fe- and Co- analogues of medenbachite
Krause, W.; Bernhardt, H. J.; McCammon, C. A.; Effenberger, H.; American Mineralogist 87 (2002) 726–738; doi:

data_9002727
_publ_section_title
;Neustadtelite and cobaltneustadtelite, the Fe- and Co- analogues of
 medenbachite
;
_journal_name_full               'American Mineralogist'
_journal_page_first              726
_journal_page_last               738
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
'As2 Bi1.95 Ca0.05 Co0.16 Fe1.63 H3 Ni0.19 O12 Zn0.02'
_chemical_name_mineral           Cobaltneustadtelite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                83.30
_cell_angle_beta                 70.67
_cell_angle_gamma                87.14
_cell_formula_units_Z            2
_cell_length_a                   9.144
_cell_length_b                   6.146
_cell_length_c                   9.337
_cell_volume                     491.733
_database_code_amcsd             0002816
_exptl_crystal_density_diffrn    5.858
_cod_original_formula_sum
'Bi1.95 Ca.05 Fe1.63 Co.16 Ni.19 Zn.02 As2 O12 H3'
_cod_database_code               9002727
Neustadtelite and cobaltneustadtelite, the Fe- and Co- analogues of medenbachite
Krause, W.; Bernhardt, H. J.; McCammon, C. A.; Effenberger, H.; American Mineralogist 87 (2002) 726–738; doi:

data_9002728
_publ_section_title
;Neustadtelite and cobaltneustadtelite, the Fe- and Co- analogues of
 medenbachite
;
_journal_name_full               'American Mineralogist'
_journal_page_first              726
_journal_page_last               738
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'As2 Bi2 Cu Fe H3 O12'
_chemical_name_mineral           Medenbachite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                83.50
_cell_angle_beta                 71.04
_cell_angle_gamma                85.15
_cell_formula_units_Z            2
_cell_length_a                   9.162
_cell_length_b                   6.178
_cell_length_c                   9.341
_cell_volume                     496.185
_database_code_amcsd             0002817
_exptl_crystal_density_diffrn    5.905
_cod_original_formula_sum        'Bi2 Fe Cu As2 O12 H3'
_cod_database_code               9002728
Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy)
Della Ventura, G.; Bonazzi, P.; Oberti, R.; Ottolini, L.; American Mineralogist 87 (2002) 739–744; doi:

data_9002729
_publ_section_title
;
 Ciprianiite and mottanaite-(Ce), two new minerals
 of the hellandite group from Latium (Italy)
;
_journal_name_full               'American Mineralogist'
_journal_page_first              739
_journal_page_last               744
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
;Al0.497 B4 Be1.18 Ca4.372 Ce0.772 Eu0.002 F0.49 Fe0.384 Gd0.006 H0.544
 La0.456 Li0.026 Mg0.035 Nd0.142 O22.544 Pr0.068 Si4 Sm0.008 Th0.152 Ti0.07
 U0.016 Y0.006
;
_chemical_name_mineral           Mottanaite-(Ce)
_space_group_IT_number           13
_symmetry_space_group_name_Hall  '-P 2ya'
_symmetry_space_group_name_H-M   'P 1 2/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 110.97
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   19.032
_cell_length_b                   4.746
_cell_length_c                   10.248
_cell_volume                     864.351
_database_code_amcsd             0002818
_exptl_crystal_density_diffrn    3.823
_cod_original_formula_sum
;B4 Si4 Be1.18 Li.026 Al.497 Fe.384 Ti.07 Mg.035 Ca4.372 La.456 Ce.772 Y.006
 Pr.068 Nd.142 Sm.008 Eu.002 Gd.006 Th.152 U.016 O22.544 F.49 H.544
;
_cod_database_code               9002729
Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy)
Della Ventura, G.; Bonazzi, P.; Oberti, R.; Ottolini, L.; American Mineralogist 87 (2002) 739–744; doi:

data_9002730
_publ_section_title
;
 Ciprianiite and mottanaite-(Ce), two new minerals
 of the hellandite group from Latium (Italy)
;
_journal_name_full               'American Mineralogist'
_journal_page_first              739
_journal_page_last               744
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum
;Al0.479 B4 Be0.818 Ca4.604 Ce0.352 Dy0.002 Eu0.002 F0.49 Fe0.377 Gd0.008
 H0.544 La0.09 Li0.038 Mg0.047 Mn0.016 Nd0.19 O22.544 Pr0.054 Si4 Sm0.02
 Th0.628 Ti0.097 U0.034 Y0.016
;
_chemical_name_mineral           Ciprianiite
_space_group_IT_number           13
_symmetry_space_group_name_Hall  '-P 2ya'
_symmetry_space_group_name_H-M   'P 1 2/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 111.33
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   19.059
_cell_length_b                   4.729
_cell_length_c                   10.291
_cell_volume                     863.993
_database_code_amcsd             0002819
_exptl_crystal_density_diffrn    3.905
_cod_original_formula_sum
;B4 Si4 Be.818 Li.038 Al.479 Fe.377 Ti.097 Mg.047 Mn.016 Ca4.604 La.09 Ce.352
 Y.016 Pr.054 Nd.19 Sm.02 Eu.002 Gd.008 Dy.002 Th.628 U.034 H.544 O22.544 F.49
;
_cod_database_code               9002730
The new mineral baumstarkite and a structural reinvestigation of aramayoite and miargyrite
Effenberger, H.; Paar, W. H.; Topa, D.; Criddle, A. J.; Fleck, M.; American Mineralogist 87 (2002) 753–764; doi:

data_9002731
_publ_section_title
;
 The new mineral baumstarkite and a structural reinvestigation of
 aramayoite and miargyrite
;
_journal_name_full               'American Mineralogist'
_journal_page_first              753
_journal_page_last               764
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Ag3 As0.04 Bi0.026 S6 Sb2.934'
_chemical_name_mineral           Baumstarkite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                100.62
_cell_angle_beta                 104.03
_cell_angle_gamma                90.22
_cell_length_a                   7.766
_cell_length_b                   8.322
_cell_length_c                   8.814
_cell_formula_units_Z            2
_cell_volume                     542.474
_database_code_amcsd             0002820
_exptl_crystal_density_diffrn    5.398
_cod_original_formula_sum        'Ag3 Sb2.934 As.04 Bi.026 S6'
_cod_database_code               9002731
The new mineral baumstarkite and a structural reinvestigation of aramayoite and miargyrite
Effenberger, H.; Paar, W. H.; Topa, D.; Criddle, A. J.; Fleck, M.; American Mineralogist 87 (2002) 753–764; doi:

data_9002732
_publ_section_title
;
 The new mineral baumstarkite and a structural reinvestigation of
 aramayoite and miargyrite
;
_journal_name_full               'American Mineralogist'
_journal_page_first              753
_journal_page_last               764
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Ag Bi0.334 S2 Sb0.666'
_chemical_name_mineral           Aramayoite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                100.32
_cell_angle_beta                 104.07
_cell_angle_gamma                90.18
_cell_length_a                   7.813
_cell_length_b                   8.268
_cell_length_c                   8.880
_cell_formula_units_Z            6
_cell_volume                     546.763
_database_code_amcsd             0002821
_exptl_crystal_density_diffrn    5.884
_cod_original_formula_sum        'Ag (Sb.666 Bi.334) S2'
_cod_database_code               9002732
The new mineral baumstarkite and a structural reinvestigation of aramayoite and miargyrite
Effenberger, H.; Paar, W. H.; Topa, D.; Criddle, A. J.; Fleck, M.; American Mineralogist 87 (2002) 753–764; doi:

data_9002733
_publ_section_title
;
 The new mineral baumstarkite and a structural reinvestigation of
 aramayoite and miargyrite
;
_journal_name_full               'American Mineralogist'
_journal_page_first              753
_journal_page_last               764
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Ag S2 Sb'
_chemical_name_mineral           Miargyrite
_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                 98.48
_cell_angle_gamma                90
_cell_length_a                   12.862
_cell_length_b                   4.409
_cell_length_c                   13.218
_cell_formula_units_Z            8
_cell_volume                     741.379
_database_code_amcsd             0002822
_exptl_crystal_density_diffrn    5.264
_cod_original_formula_sum        'Ag Sb S2'
_cod_database_code               9002733
Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at 1000 deg C for 12h
Andreozzi G B; Princivalle F; American Mineralogist 87 (2002) 838–844; doi:

data_9002734
_publ_section_title
;
 Kinetics of cation ordering in synthetic MgAl2O4 spinel
 Sample: annealed at 1000 deg C for 12h
;
_journal_name_full               'American Mineralogist'
_journal_page_first              838
_journal_page_last               844
_journal_volume                  87
_journal_year                    2002
_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_formula_units_Z            8
_cell_length_a                   8.0832
_cell_length_b                   8.0832
_cell_length_c                   8.0832
_cell_volume                     528.141
_database_code_amcsd             0002823
_exptl_crystal_thermal_history   'annealed at 1000 deg C for 12h'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Mg Al2) O4'
_cod_database_code               9002734
Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at 1000 deg C for 12h, then isothermally ordered at 900 deg C for .17 min
Andreozzi, G. B.; Princivalle, F.; American Mineralogist 87 (2002) 838–844; doi:

data_9002735
_publ_section_title
;Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at
 1000 deg C for 12h, then isothermally ordered at 900 deg C for .17 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              838
_journal_page_last               844
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Al1.999 Mg1.001 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_formula_units_Z            8
_cell_length_a                   8.0832
_cell_length_b                   8.0832
_cell_length_c                   8.0832
_cell_volume                     528.141
_database_code_amcsd             0002824
_exptl_crystal_density_diffrn    3.578
_exptl_crystal_thermal_history
'annealed at 1000 deg C for 12h; isothermally ordered at 900 deg C for .17 min'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Mg1.001 Al1.999) O4'
_cod_database_code               9002735
Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at 1000 deg C for 12h, then isothermally ordered at 900 deg C for .5 min
Andreozzi, G. B.; Princivalle, F.; American Mineralogist 87 (2002) 838–844; doi:

data_9002736
_publ_section_title
;Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at
 1000 deg C for 12h, then isothermally ordered at 900 deg C for .5 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              838
_journal_page_last               844
_journal_volume                  87
_journal_year                    2002
_chemical_formula_sum            'Al1.999 Mg1.001 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_formula_units_Z            8
_cell_length_a                   8.0835
_cell_length_b                   8.0835
_cell_length_c                   8.0835
_cell_volume                     528.200
_database_code_amcsd             0002825
_exptl_crystal_density_diffrn    3.578
_exptl_crystal_thermal_history
'annealed at 1000 deg C for 12h; isothermally ordered at 900 deg C for .5 min'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Mg1.001 Al1.999) O4'
_cod_database_code               9002736
Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at 1000 deg C for 12h, then isothermally ordered at 900 deg C for 1 min
Andreozzi, G. B.; Princivalle, F.; American Mineralogist 87 (2002) 838–844; doi:

data_9002737
_publ_section_title
;Kinetics of cation ordering in synthetic MgAl2O4 spinel Sample: annealed at
 1000 deg C for 12h, then isothermally ordered at 900 deg C for 1 min
;
_journal_name_full               'American Mineralogist'
_journal_page_first              838
_journal_page_last               844
_journal_volume                  87
_journal_year                    2002
_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_formula_units_Z            8
_cell_length_a                   8.0835
_cell_length_b                   8.0835
_cell_length_c                   8.0835
_cell_volume                     528.200
_database_code_amcsd             0002826
_exptl_crystal_density_diffrn    3.578
_exptl_crystal_thermal_history
'annealed at 1000 deg C for 12h; isothermally ordered at 900 deg C for 1 min'
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        '(Mg Al2) O4'
_cod_database_code               9002737