LMucko/crystallography-open-database huggingface dataset:
Crystal-structure refinement of synthetic Fe- and Mg-staurolite by Rietveld analysis of X-ray powder-diffraction data Sample: Fe-staurolite synthesized at 5 kbar Note: These coordinates do not reproduce the reported bond lengths, but Koch-Muller tells me that the coordinates are correct, and the reported bond lengths were incorrect.
Koch-Muller M; Kahlenberg, V.; Bubenick, W.; Gottschalk, M.; European Journal of Mineralogy 10 (1998) 453–460; doi:

data_9005343
_publ_section_title
;
 Crystal-structure refinement of synthetic Fe- and Mg-staurolite by
 Rietveld analysis of X-ray powder-diffraction data
 Sample: Fe-staurolite synthesized at 5 kbar
 Note: These coordinates do not reproduce the reported bond lengths, but
 Koch-Muller tells me that the coordinates are correct, and the reported
 bond lengths were incorrect.
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              453
_journal_page_last               460
_journal_volume                  10
_journal_year                    1998
_chemical_formula_sum            'Al2.29 Fe0.455 O6 Si0.95'
_chemical_name_mineral           Staurolite
_space_group_IT_number           63
_symmetry_space_group_name_Hall  '-C 2c 2c'
_symmetry_space_group_name_H-M   'C c m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.8783
_cell_length_b                   16.6172
_cell_length_c                   5.6591
_cell_formula_units_Z            8
_cell_volume                     740.863
_database_code_amcsd             0006728
_exptl_crystal_density_diffrn    3.763
_exptl_crystal_pressure_history  'synthesized at 5 kbar'
_cod_original_formula_sum        'Fe.455 Al2.29 Si.95 O6'
_cod_database_code               9005343
X-ray single-crystal structure refinement of NH4-exchanged heulandite at 100 K
Yang, P.; Armbruster, T.; European Journal of Mineralogy 10 (1998) 461–471; doi:

data_9005344
_publ_section_title
;
 X-ray single-crystal structure refinement of NH4-exchanged
 heulandite at 100 K
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              461
_journal_page_last               471
_journal_volume                  10
_journal_year                    1998
_chemical_formula_sum            'Al2.197 H38.907 N2.24 O22.88 Si6.803'
_chemical_name_mineral           Heulandite
_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                 115.91
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.738
_cell_length_b                   17.974
_cell_length_c                   7.416
_cell_volume                     2126.725
_database_code_amcsd             0006729
_exptl_crystal_density_diffrn    2.146
_cod_original_formula_sum        'N2.24 (Si6.803 Al2.197) O22.88 H38.907'
_cod_database_code               9005344
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP46c
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005345
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP46c
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum
'Al1.88 Fe0.225 Mg0.887 Mn0.005 Ni2 O4 Zn0.001'
_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                   8.1115
_cell_length_b                   8.1115
_cell_length_c                   8.1115
_cell_formula_units_Z            8
_cell_volume                     533.708
_database_code_amcsd             0006730
_exptl_crystal_density_diffrn    6.636
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.887 Fe.225 Zn.001 Mn.005 Al1.88 Ni2 O4'
_cod_database_code               9005345
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP46g
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005346
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP46g
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.897 Fe0.227 Mg0.866 Mn0.005 O4 Zn0.002'
_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                   8.1103
_cell_length_b                   8.1103
_cell_length_c                   8.1103
_cell_formula_units_Z            8
_cell_volume                     533.471
_database_code_amcsd             0006731
_exptl_crystal_density_diffrn    3.721
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.866 Fe.227 Zn.002 Mn.005 Al1.897 O4'
_cod_database_code               9005346
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP178c
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005347
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP178c
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.889 Fe0.192 Mg0.904 Mn0.006 O4 Zn0.007'
_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                   8.1088
_cell_length_b                   8.1088
_cell_length_c                   8.1088
_cell_formula_units_Z            8
_cell_volume                     533.175
_database_code_amcsd             0006732
_exptl_crystal_density_diffrn    3.700
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.904 Fe.192 Zn.007 Mn.006 Al1.889 O4'
_cod_database_code               9005347
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP182b
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005348
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP182b
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.942 Fe0.141 Mg0.895 Mn0.01 O4 Zn0.01'
_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                   8.1011
_cell_length_b                   8.1011
_cell_length_c                   8.1011
_cell_formula_units_Z            8
_cell_volume                     531.658
_database_code_amcsd             0006733
_exptl_crystal_density_diffrn    3.681
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.895 Fe.141 Zn.01 Mn.01 Al1.942 O4'
_cod_database_code               9005348
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP182f
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005349
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP182f
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum
'Al1.952 Fe0.128 Mg0.902 Mn0.009 O4 Ti2 Zn0.007'
_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                   8.0991
_cell_length_b                   8.0991
_cell_length_c                   8.0991
_cell_formula_units_Z            8
_cell_volume                     531.264
_database_code_amcsd             0006734
_exptl_crystal_density_diffrn    6.064
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.902 Fe.128 Zn.007 Mn.009 Al1.952 Ti2 O4'
_cod_database_code               9005349
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP210d
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005350
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP210d
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum
'Al1.896 Cr2 Fe0.167 Mg0.927 Mn0.005 Ni2 O4 Zn0.003'
_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                   8.1061
_cell_length_b                   8.1061
_cell_length_c                   8.1061
_cell_formula_units_Z            8
_cell_volume                     532.643
_database_code_amcsd             0006735
_exptl_crystal_density_diffrn    9.200
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum
'Mg.927 Fe.167 Zn.003 Mn.005 Al1.896 Ni2 Cr2 O4'
_cod_database_code               9005350
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP238a
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005351
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP238a
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.936 Fe0.119 Mg0.934 Mn0.006 O4 Zn0.004'
_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                   8.0996
_cell_length_b                   8.0996
_cell_length_c                   8.0996
_cell_formula_units_Z            8
_cell_volume                     531.362
_database_code_amcsd             0006736
_exptl_crystal_density_diffrn    3.654
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.934 Fe.119 Zn.004 Mn.006 Al1.936 O4'
_cod_database_code               9005351
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP239a
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005352
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP239a
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.901 Fe0.124 Mg0.963 Mn0.003 O4 Ti0.008'
_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                   8.1041
_cell_length_b                   8.1041
_cell_length_c                   8.1041
_cell_formula_units_Z            8
_cell_volume                     532.248
_database_code_amcsd             0006737
_exptl_crystal_density_diffrn    3.648
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.963 Fe.124 Mn.003 Al1.901 Ti.008 O4'
_cod_database_code               9005352
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP239b
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005353
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP239b
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum
'Al1.888 Fe0.124 Mg0.967 Mn0.003 O4 Si0.003 Ti0.012 Zn0.001'
_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                   8.1057
_cell_length_b                   8.1057
_cell_length_c                   8.1057
_cell_formula_units_Z            8
_cell_volume                     532.564
_database_code_amcsd             0006738
_exptl_crystal_density_diffrn    3.649
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum
'Mg.967 Fe.124 Zn.001 Mn.003 Al1.888 Si.003 Ti.012 O4'
_cod_database_code               9005353
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP239h
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005354
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP239h
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum
'Al1.886 Fe0.132 Mg0.958 Mn0.003 O4 Si0.005 Ti0.013 Zn0.001'
_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                   8.1067
_cell_length_b                   8.1067
_cell_length_c                   8.1067
_cell_formula_units_Z            8
_cell_volume                     532.761
_database_code_amcsd             0006739
_exptl_crystal_density_diffrn    3.655
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum
'Mg.958 Fe.132 Zn.001 Mn.003 Al1.886 Si.005 Ti.013 O4'
_cod_database_code               9005354
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP263b
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005355
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP263b
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.896 Fe0.214 Mg0.875 Mn0.01 O4 Zn0.004'
_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                   8.1093
_cell_length_b                   8.1093
_cell_length_c                   8.1093
_cell_formula_units_Z            8
_cell_volume                     533.274
_database_code_amcsd             0006740
_exptl_crystal_density_diffrn    3.716
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.875 Fe.214 Zn.004 Mn.01 Al1.896 O4'
_cod_database_code               9005355
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP263v
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005356
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP263v
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.884 Fe0.219 Mg0.883 Mn0.009 O4 Zn0.003'
_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                   8.1111
_cell_length_b                   8.1111
_cell_length_c                   8.1111
_cell_formula_units_Z            8
_cell_volume                     533.629
_database_code_amcsd             0006741
_exptl_crystal_density_diffrn    3.716
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.883 Fe.219 Zn.003 Mn.009 Al1.884 O4'
_cod_database_code               9005356
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP264h
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005357
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP264h
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.886 Fe0.235 Mg0.845 Mn0.019 O4 Zn0.008'
_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                   8.1130
_cell_length_b                   8.1130
_cell_length_c                   8.1130
_cell_formula_units_Z            8
_cell_volume                     534.004
_database_code_amcsd             0006742
_exptl_crystal_density_diffrn    3.735
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.845 Fe.235 Zn.008 Mn.019 Al1.886 O4'
_cod_database_code               9005357
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP264i
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005358
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP264i
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.874 Fe0.258 Mg0.843 Mn0.018 O4 Zn0.006'
_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                   8.1141
_cell_length_b                   8.1141
_cell_length_c                   8.1141
_cell_formula_units_Z            8
_cell_volume                     534.221
_database_code_amcsd             0006743
_exptl_crystal_density_diffrn    3.751
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.843 Fe.258 Zn.006 Mn.018 Al1.874 O4'
_cod_database_code               9005358
Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP264m
Lucchesi, S.; Amoriello, M.; Della Giusta, A.; European Journal of Mineralogy 10 (1998) 473–482; doi:

data_9005359
_publ_section_title
;
 Crystal chemistry of spinels from xenoliths of the
 Alban Hills volcanic region
 Sample: SP264m
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              473
_journal_page_last               482
_journal_volume                  10
_journal_year                    1998
_chemical_compound_source
'xenoliths of the Alban Hills, Italy volcanic region'
_chemical_formula_sum            'Al1.878 Fe0.266 Mg0.836 Mn0.016 O4 Zn0.003'
_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                   8.1150
_cell_length_b                   8.1150
_cell_length_c                   8.1150
_cell_formula_units_Z            8
_cell_volume                     534.399
_database_code_amcsd             0006744
_exptl_crystal_density_diffrn    3.752
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg.836 Fe.266 Zn.003 Mn.016 Al1.878 O4'
_cod_database_code               9005359