LMucko/crystallography-open-database huggingface dataset:
High-pressure proton disorder in brucite Sample: P = .3 GPa Note: cell adjusted to match Figure 2
Mookherjee, M.; Stixrude, L.; American Mineralogist 91 (2006) 127–134; doi:10.2138/am.2006.1886

data_9003875
_publ_section_title
;
 High-pressure proton disorder in brucite
 Sample: P = .3 GPa
 Note: cell adjusted to match Figure 2
;
_journal_name_full               'American Mineralogist'
_journal_page_first              127
_journal_page_last               134
_journal_paper_doi               10.2138/am.2006.1886
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'hypothetical structure calculated with DFT'
_chemical_formula_sum            'H2 Mg O2'
_chemical_name_mineral           Brucite
_space_group_IT_number           147
_symmetry_space_group_name_Hall  '-P 3'
_symmetry_space_group_name_H-M   'P -3'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   5.5407
_cell_length_b                   5.5407
_cell_length_c                   4.8435
_cell_formula_units_Z            3
_cell_volume                     128.771
_database_code_amcsd             0003999
_diffrn_ambient_pressure         3e+05
_exptl_crystal_density_diffrn    2.256
_cod_original_formula_sum        'Mg O2 H2'
_cod_database_code               9003875
High-pressure proton disorder in brucite Sample: P = 8.4 GPa Note: cell adjusted to match Figure 2
Mookherjee, M.; Stixrude, L.; American Mineralogist 91 (2006) 127–134; doi:10.2138/am.2006.1886

data_9003876
_publ_section_title
;
 High-pressure proton disorder in brucite
 Sample: P = 8.4 GPa
 Note: cell adjusted to match Figure 2
;
_journal_name_full               'American Mineralogist'
_journal_page_first              127
_journal_page_last               134
_journal_paper_doi               10.2138/am.2006.1886
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'hypothetical structure calculated with DFT'
_chemical_formula_sum            'H2 Mg O2'
_chemical_name_mineral           Brucite
_space_group_IT_number           147
_symmetry_space_group_name_Hall  '-P 3'
_symmetry_space_group_name_H-M   'P -3'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   5.3498
_cell_length_b                   5.3498
_cell_length_c                   4.4014
_cell_formula_units_Z            3
_cell_volume                     109.093
_database_code_amcsd             0004000
_diffrn_ambient_pressure         8.4e+06
_exptl_crystal_density_diffrn    2.663
_cod_original_formula_sum        'Mg O2 H2'
_cod_database_code               9003876
High-pressure proton disorder in brucite Sample: P = 119.1 GPa Note: cell adjusted to match Figure 2
Mookherjee, M.; Stixrude, L.; American Mineralogist 91 (2006) 127–134; doi:10.2138/am.2006.1886

data_9003877
_publ_section_title
;
 High-pressure proton disorder in brucite
 Sample: P = 119.1 GPa
 Note: cell adjusted to match Figure 2
;
_journal_name_full               'American Mineralogist'
_journal_page_first              127
_journal_page_last               134
_journal_paper_doi               10.2138/am.2006.1886
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'hypothetical structure calculated with DFT'
_chemical_formula_sum            'H2 Mg O2'
_chemical_name_mineral           Brucite
_space_group_IT_number           147
_symmetry_space_group_name_Hall  '-P 3'
_symmetry_space_group_name_H-M   'P -3'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   4.5804
_cell_length_b                   4.5804
_cell_length_c                   4.8435
_cell_formula_units_Z            3
_cell_volume                     88.003
_database_code_amcsd             0004001
_diffrn_ambient_pressure         1.191e+08
_exptl_crystal_density_diffrn    3.301
_cod_original_formula_sum        'Mg O2 H2'
_cod_database_code               9003877
An electron microprobe analysis, secondary ion mass spectrometry and single crystal X-ray diffraction study of phlogopites from Mt. Vulture, Potenza, Italy: Consideration of cation partioning Locality: Mt. Vulture, Potenza, Italy Sample: LC7-1R Note: mica
Mesto, E.; Schingaro, E.; Scordari, F.; Ottolini, L.; American Mineralogist 91 (2006) 182–190; doi:10.2138/am.2006.1882

data_9003878
_publ_section_title
;An electron microprobe analysis, secondary ion mass spectrometry and single
 crystal X-ray diffraction study of phlogopites from Mt. Vulture, Potenza,
 Italy: Consideration of cation partioning Locality: Mt. Vulture, Potenza,
 Italy Sample: LC7-1R Note: mica
;
_journal_name_full               'American Mineralogist'
_journal_page_first              182
_journal_page_last               190
_journal_paper_doi               10.2138/am.2006.1882
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Vulture, Potenza, Italy'
_chemical_formula_sum
;Al1.38 Ba0.05 Cl0.02 F0.83 Fe0.88 H1.1 K0.78 Li0.02 Mg1.65 Na0.12 O11.14
 Si2.56 Ti0.31
;
_chemical_name_mineral           Phlogopite
_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                 100.00
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.310
_cell_length_b                   9.193
_cell_length_c                   10.096
_cell_volume                     485.347
_database_code_amcsd             0004002
_exptl_crystal_density_diffrn    3.074
_cod_original_formula_sum
;K.78 Na.12 Ba.05 Mg1.65 Fe.88 Li.02 Ti.31 Si2.56 Al1.38 O11.14 F.83 Cl.02
 H1.1
;
_cod_database_code               9003878
An electron microprobe analysis, secondary ion mass spectrometry and single crystal X-ray diffraction study of phlogopites from Mt. Vulture, Potenza, Italy: Consideration of cation partioning Locality: Mt. Vulture, Potenza, Italy Sample: LC7-3Go Note: mica
Mesto, E.; Schingaro, E.; Scordari, F.; Ottolini, L.; American Mineralogist 91 (2006) 182–190; doi:10.2138/am.2006.1882

data_9003879
_publ_section_title
;An electron microprobe analysis, secondary ion mass spectrometry and single
 crystal X-ray diffraction study of phlogopites from Mt. Vulture, Potenza,
 Italy: Consideration of cation partioning Locality: Mt. Vulture, Potenza,
 Italy Sample: LC7-3Go Note: mica
;
_journal_name_full               'American Mineralogist'
_journal_page_first              182
_journal_page_last               190
_journal_paper_doi               10.2138/am.2006.1882
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Vulture, Potenza, Italy'
_chemical_formula_sum
'Al1.47 Ba0.02 F0.12 Fe0.53 H1.8 K0.85 Mg2.18 Na0.11 O11.88 Si2.66 Ti0.16'
_chemical_name_mineral           Phlogopite
_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                 99.97
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.315
_cell_length_b                   9.209
_cell_length_c                   10.226
_cell_volume                     492.962
_database_code_amcsd             0004003
_exptl_crystal_density_diffrn    2.946
_cod_original_cell_volume        492.961
_cod_original_formula_sum
'K.85 Na.11 Ba.02 Mg2.18 Fe.53 Ti.16 Al1.47 Si2.66 O11.88 F.12 H1.8'
_cod_database_code               9003879
An electron microprobe analysis, secondary ion mass spectrometry and single crystal X-ray diffraction study of phlogopites from Mt. Vulture, Potenza, Italy: Consideration of cation partioning Locality: Mt. Vulture, Potenza, Italy Sample: LC7-27Go Note: mica
Mesto, E.; Schingaro, E.; Scordari, F.; Ottolini, L.; American Mineralogist 91 (2006) 182–190; doi:10.2138/am.2006.1882

data_9003880
_publ_section_title
;An electron microprobe analysis, secondary ion mass spectrometry and single
 crystal X-ray diffraction study of phlogopites from Mt. Vulture, Potenza,
 Italy: Consideration of cation partioning Locality: Mt. Vulture, Potenza,
 Italy Sample: LC7-27Go Note: mica
;
_journal_name_full               'American Mineralogist'
_journal_page_first              182
_journal_page_last               190
_journal_paper_doi               10.2138/am.2006.1882
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Vulture, Potenza, Italy'
_chemical_formula_sum
'Al1.5 Ba0.04 F0.37 Fe0.38 H1.61 K0.9 Mg2.36 Na0.05 O11.63 Si2.68 Ti0.06'
_chemical_name_mineral           Phlogopite
_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                 99.97
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.346
_cell_length_b                   9.257
_cell_length_c                   10.312
_cell_volume                     502.613
_database_code_amcsd             0004004
_exptl_crystal_density_diffrn    2.866
_cod_original_formula_sum
'K.9 Na.05 Ba.04 Mg2.36 Fe.38 Al1.5 Ti.06 Si2.68 O11.63 F.37 H1.61'
_cod_database_code               9003880
Schreyerite, V2Ti3O9: New occurrence and crystal structure
Dobelin, N.; Reznitsky, L. Z.; Sklyarov, E. V.; Armbruster, T.; Medenbach, O.; American Mineralogist 91 (2006) 196–202; doi:10.2138/am.2006.1893

data_9003881
_publ_section_title
;
 Schreyerite, V2Ti3O9: New occurrence and crystal structure
;
_journal_name_full               'American Mineralogist'
_journal_page_first              196
_journal_page_last               202
_journal_paper_doi               10.2138/am.2006.1893
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source
'Sludyanka complex at the southern shore of Lake Baikal, Russia'
_chemical_formula_sum            'Cr0.158 Fe0.036 O9 Ti2.535 V2.254'
_chemical_name_mineral           Schreyerite
_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                 106.636
_cell_angle_gamma                90
_cell_length_a                   17.102
_cell_length_b                   5.0253
_cell_length_c                   7.0579
_cell_formula_units_Z            4
_cell_volume                     581.185
_database_code_amcsd             0004005
_exptl_crystal_density_diffrn    4.462
_cod_original_formula_sum        'V2.254 Cr.158 Fe.036 Ti2.535 O9'
_cod_database_code               9003881
Pressure-induced hydration in zeolite tetranatrolite Note: P = 0 GPa
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003882
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 0 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H4.06 Na1.462 O12.74 Si2.685'
_chemical_name_mineral           Gonnardite
_space_group_IT_number           122
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.1988
_cell_length_b                   13.1988
_cell_length_c                   6.6288
_cell_volume                     1154.792
_database_code_amcsd             0004006
_diffrn_ambient_pressure         0
_exptl_crystal_density_diffrn    2.292
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O12.74 H4.06'
_cod_database_code               9003882
Pressure-induced hydration in zeolite tetranatrolite Note: P = 0.4 GPa
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003883
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 0.4 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H2.03 Na1.462 O13 Si2.685'
_chemical_name_mineral           Paranatrolite
_space_group_IT_number           9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.97
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.580
_cell_length_b                   19.002
_cell_length_c                   9.936
_cell_volume                     1174.857
_database_code_amcsd             0004007
_diffrn_ambient_pressure         4e+05
_exptl_crystal_density_diffrn    2.264
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O13 H2.03'
_cod_database_code               9003883
Pressure-induced hydration in zeolite tetranatrolite Note: P = 0.8 GPa
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003884
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 0.8 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H2.02 Na1.462 O13 Si2.685'
_chemical_name_mineral           Paranatrolite
_space_group_IT_number           9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.49
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.567
_cell_length_b                   18.963
_cell_length_c                   9.975
_cell_volume                     1178.064
_database_code_amcsd             0004008
_diffrn_ambient_pressure         8e+05
_exptl_crystal_density_diffrn    2.258
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O13 H2.02'
_cod_database_code               9003884
Pressure-induced hydration in zeolite tetranatrolite Note: P = 1.1 GPa
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003885
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 1.1 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H2.02 Na1.462 O13 Si2.685'
_chemical_name_mineral           Paranatrolite
_space_group_IT_number           9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.47
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.556
_cell_length_b                   18.950
_cell_length_c                   9.972
_cell_volume                     1175.068
_database_code_amcsd             0004009
_diffrn_ambient_pressure         1.1e+06
_exptl_crystal_density_diffrn    2.264
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O13 H2.02'
_cod_database_code               9003885
Pressure-induced hydration in zeolite tetranatrolite Note: P = 2.5 GPa
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003886
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 2.5 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H2.02 Na1.462 O13 Si2.685'
_chemical_name_mineral           Paranatrolite
_space_group_IT_number           9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 108.73
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.512
_cell_length_b                   18.850
_cell_length_c                   9.901
_cell_volume                     1150.997
_database_code_amcsd             0004010
_diffrn_ambient_pressure         2.5e+06
_exptl_crystal_density_diffrn    2.311
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O13 H2.02'
_cod_database_code               9003886
Pressure-induced hydration in zeolite tetranatrolite Note: P = 4.2 GPa Note: high-pressure superhydrated phase
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003887
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 4.2 GPa
 Note: high-pressure superhydrated phase
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H4 Na1.462 O14 Si2.685'
_chemical_name_mineral           Gonnardite
_space_group_IT_number           122
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.959
_cell_length_b                   12.959
_cell_length_c                   6.5446
_cell_volume                     1099.072
_database_code_amcsd             0004011
_diffrn_ambient_pressure         4.2e+06
_exptl_crystal_density_diffrn    2.529
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O14 H4'
_cod_database_code               9003887
Pressure-induced hydration in zeolite tetranatrolite Note: P = 5.4 GPa on release Note: high-pressure superhydrated phase
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003888
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 5.4 GPa on release
 Note: high-pressure superhydrated phase
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H4 Na1.462 O14 Si2.685'
_chemical_name_mineral           Gonnardite
_space_group_IT_number           122
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.910
_cell_length_b                   12.910
_cell_length_c                   6.540
_cell_volume                     1090.009
_database_code_amcsd             0004012
_diffrn_ambient_pressure         5.4e+06
_exptl_crystal_density_diffrn    2.550
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O14 H4'
_cod_database_code               9003888
Pressure-induced hydration in zeolite tetranatrolite Note: P = 6.9 GPa Note: high-pressure superhydrated phase
Lee, Y.; Hriljac, J. A.; Parise, J. B.; Vogt, T.; American Mineralogist 91 (2006) 247–251; doi:10.2138/am.2006.1847

data_9003889
_publ_section_title
;
 Pressure-induced hydration in zeolite tetranatrolite
 Note: P = 6.9 GPa
 Note: high-pressure superhydrated phase
;
_journal_name_full               'American Mineralogist'
_journal_page_first              247
_journal_page_last               251
_journal_paper_doi               10.2138/am.2006.1847
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Mt. Saint-Hilaire, Quebec, Canada'
_chemical_formula_sum            'Al2.315 Ca0.474 H4 Na1.462 O14 Si2.685'
_chemical_name_mineral           Gonnardite
_space_group_IT_number           122
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.761
_cell_length_b                   12.761
_cell_length_c                   6.5127
_cell_volume                     1060.548
_database_code_amcsd             0004013
_diffrn_ambient_pressure         6.9e+06
_exptl_crystal_density_diffrn    2.621
_cod_original_formula_sum        'Na1.462 Ca.474 (Si2.685 Al2.315) O14 H4'
_cod_database_code               9003889
Alpersite (Mg,Cu)SO4*7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste Locality: Big Mike mine, Nevada, USA
Peterson, R. C.; Hammarstrom, J. M.; Seal II R R; American Mineralogist 91 (2006) 261–269; doi:10.2138/am.2006.1911

data_9003890
_publ_section_title
;Alpersite (Mg,Cu)SO4*7H2O, a new mineral of the melanterite group, and
 cuprian pentahydrite: Their occurrence within mine waste Locality: Big Mike
 mine, Nevada, USA
;
_journal_name_full               'American Mineralogist'
_journal_page_first              261
_journal_page_last               269
_journal_paper_doi               10.2138/am.2006.1911
_journal_volume                  91
_journal_year                    2006
_chemical_compound_source        'Big Mike mine, Nevada, USA'
_chemical_formula_sum            'Cu0.317 H14 Mg0.683 O11 S'
_chemical_name_mineral           Alpersite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 105.922
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.166
_cell_length_b                   6.534
_cell_length_c                   10.838
_cell_volume                     964.687
_database_code_amcsd             0004014
_exptl_crystal_density_diffrn    1.783
_cod_original_formula_sum        '(Mg.683 Cu.317) S O11 H14'
_cod_database_code               9003890