LMucko/crystallography-open-database huggingface dataset:
Crystal structure of mahnertite
Pushcharovsky, D. Y.; Zubkova, N. V.; Teat, S. J.; Maclean, E. J.; Sarp, H.; European Journal of Mineralogy 16 (2004) 687–692; doi:10.1127/0935-1221/2004/0016-0687

data_9005688
_publ_section_title
;
 Crystal structure of mahnertite
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              687
_journal_page_last               692
_journal_paper_doi               10.1127/0935-1221/2004/0016-0687
_journal_volume                  16
_journal_year                    2004
_chemical_formula_sum            'As8 Ca0.48 Cl2.5 Cu11 H82 Na3.52 O46.5'
_chemical_name_mineral           Mahnertite
_space_group_IT_number           139
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.037
_cell_length_b                   10.037
_cell_length_c                   23.739
_cell_volume                     2391.499
_database_code_amcsd             0007079
_exptl_crystal_density_diffrn    3.213
_cod_original_formula_sum        '(Na3.52 Ca.48) Cu11 As8 O46.5 Cl2.5 H82'
_cod_database_code               9005688
Metamorphic Na- and OH-rich disordered dravite with tetrahedral boron, associated with omphacite, from Syros, Greece: chemistry and structure Sample: SY309B
Marschall, H. R.; Ertl, A.; Hughes, J. M.; McCammon, C. A.; European Journal of Mineralogy 16 (2004) 817–823; doi:10.1127/0935-1221/2004/0016-0817

data_9005689
_publ_section_title
;
 Metamorphic Na- and OH-rich disordered dravite with tetrahedral boron,
 associated with omphacite, from Syros, Greece: chemistry and structure
 Sample: SY309B
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              817
_journal_page_last               823
_journal_paper_doi               10.1127/0935-1221/2004/0016-0817
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Syros, Greece'
_chemical_formula_sum
'Al5.91 B3.18 Ca0.02 F0.07 Fe0.63 H3.93 Mg2.37 Na0.96 O30.93 Si5.82 Ti0.06'
_chemical_name_mineral           Dravite
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   15.9443
_cell_length_b                   15.9443
_cell_length_c                   7.2094
_cell_volume                     1587.233
_database_code_amcsd             0007080
_exptl_crystal_density_diffrn    3.063
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
'Na.96 Ca.02 Mg2.37 Al5.91 Fe.63 Ti.06 Si5.82 B3.18 O30.93 F.07 H3.93'
_cod_database_code               9005689
Crystal structure of nobleite, Ca[B6O9(OH)2]*3H2O, from Jarandol (Serbia) Note: Ca analogue of tunellite
Karanovic, L.; Rosic, A.; Poleti, D.; European Journal of Mineralogy 16 (2004) 825–833; doi:

data_9005690
_publ_section_title
;
 Crystal structure of nobleite, Ca[B6O9(OH)2]*3H2O, from Jarandol (Serbia)
 Note: Ca analogue of tunellite
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              825
_journal_page_last               833
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Kopaonik Mt, central Serbia'
_chemical_formula_sum            'B6 Ca H8 O14'
_chemical_name_mineral           Nobleite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 111.801
_cell_angle_gamma                90
_cell_length_a                   14.580
_cell_length_b                   8.0240
_cell_length_c                   9.8486
_cell_formula_units_Z            4
_cell_volume                     1069.782
_database_code_amcsd             0007081
_exptl_crystal_density_diffrn    2.092
_cod_original_formula_sum        'Ca B6 O14 H8'
_cod_database_code               9005690
Lead-antimony sulfosalts from Tuscany (Italy). VII. Crystal structure of pellouxite, ~ (Cu,Ag)2Pb21Sb23S55ClO, an expanded monoclinic derivative of Ba12Bi24S48 hexagonal sub-type (zinkenite group)
Palvadeau, P.; Meerschaut, A.; Orlandi, P.; Moelo, Y.; European Journal of Mineralogy 16 (2004) 845–855; doi:10.1127/0935-1221/2004/0016-0845

data_9005691
_publ_section_title
;
 Lead-antimony sulfosalts from Tuscany (Italy). VII. Crystal structure of
 pellouxite, ~ (Cu,Ag)2Pb21Sb23S55ClO, an expanded monoclinic derivative
 of Ba12Bi24S48 hexagonal sub-type (zinkenite group)
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              845
_journal_page_last               855
_journal_paper_doi               10.1127/0935-1221/2004/0016-0845
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Tuscany, Italy'
_chemical_formula_sum
'Ag0.26 Cl0.5 Cu0.68 O0.5 Pb10.44 S27.5 Sb11.56'
_chemical_name_mineral           Pellouxite
_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                 113.14
_cell_angle_gamma                90
_cell_length_a                   55.824
_cell_length_b                   4.0892
_cell_length_c                   24.128
_cell_formula_units_Z            4
_cell_volume                     5064.712
_database_code_amcsd             0007082
_exptl_crystal_density_diffrn    5.966
_cod_original_formula_sum        'Cu.68 Ag.26 Pb10.44 Sb11.56 S27.5 Cl.5 O.5'
_cod_database_code               9005691
Chemical and structural study of the Zr,Ti-disilicates in the venanzite from Pian di Celle, Umbria, Italy
Bellezza, M.; Merlino, S.; Perchiazzi, N.; European Journal of Mineralogy 16 (2004) 957–969; doi:10.1127/0935-1221/2004/0016-0957

data_9005692
_publ_section_title
;
 Chemical and structural study of the Zr,Ti-disilicates in the venanzite
 from Pian di Celle, Umbria, Italy
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              957
_journal_page_last               969
_journal_paper_doi               10.1127/0935-1221/2004/0016-0957
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Pian di Celle, Umbria, Italy'
_chemical_formula_sum            'Ca3.69 F2 Na0.17 O7 Si2 Zr0.14'
_chemical_name_mineral           Cuspidine
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 109.55
_cell_angle_gamma                90
_cell_length_a                   10.919
_cell_length_b                   10.485
_cell_length_c                   7.485
_cell_formula_units_Z            4
_cell_volume                     807.524
_database_code_amcsd             0007083
_exptl_crystal_density_diffrn    3.049
_cod_original_formula_sum        'Ca3.69 Zr.14 Na.17 Si2 O7 F2'
_cod_database_code               9005692
Chemical and structural study of the Zr,Ti-disilicates in the venanzite from Pian di Celle, Umbria, Italy
Bellezza, M.; Merlino, S.; Perchiazzi, N.; European Journal of Mineralogy 16 (2004) 957–969; doi:10.1127/0935-1221/2004/0016-0957

data_9005693
_publ_section_title
;
 Chemical and structural study of the Zr,Ti-disilicates in the venanzite
 from Pian di Celle, Umbria, Italy
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              957
_journal_page_last               969
_journal_paper_doi               10.1127/0935-1221/2004/0016-0957
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Pian di Celle, Umbria, Italy'
_chemical_formula_sum            'Ca5.66 F4 Na1.06 O14 Si4 Ti0.98 Zr0.28'
_chemical_name_mineral           Gotzenite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                89.94
_cell_angle_beta                 100.74
_cell_angle_gamma                101.06
_cell_length_a                   9.636
_cell_length_b                   7.341
_cell_length_c                   5.737
_cell_formula_units_Z            1
_cell_volume                     391.055
_database_code_amcsd             0007084
_exptl_crystal_density_diffrn    3.125
_cod_original_formula_sum        'Ca5.66 Zr.28 Na1.06 Ti.98 Si4 O14 F4'
_cod_database_code               9005693
Grenmarite, a new member of the gotzenite-seidozerite-rosenbuschite group from the Langesundsfjord district, Norway: definition and crystal structure
Bellezza, M.; Franzini, M.; Larsen, A. O.; Merlino, S.; Perchiazzi, N.; European Journal of Mineralogy 16 (2004) 971–978; doi:10.1127/0935-1221/2004/0016-0971

data_9005694
_publ_section_title
;Grenmarite, a new member of the gotzenite-seidozerite-rosenbuschite group
 from the Langesundsfjord district, Norway: definition and crystal structure
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              971
_journal_page_last               978
_journal_paper_doi               10.1127/0935-1221/2004/0016-0971
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Langesundsfjord district, Norway'
_chemical_formula_sum            'Ca0.38 F2 Mn1.3 Na3.56 O16 Si4 Ti0.46 Zr2.3'
_chemical_name_mineral           Grenmarite
_space_group_IT_number           13
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 102.60
_cell_angle_gamma                90
_cell_length_a                   5.608
_cell_length_b                   7.139
_cell_length_c                   18.575
_cell_formula_units_Z            2
_cell_volume                     725.750
_database_code_amcsd             0007085
_exptl_crystal_density_diffrn    3.691
_cod_original_formula_sum        'Zr2.3 Mn1.3 Ti.46 Na3.56 Ca.38 Si4 O16 F2'
_cod_database_code               9005694
Gjerdingenite-Mn from Norway - a new mineral species in the labuntsovite group: descriptive data and crystal structure
Raade, G.; Chukanov, N. V.; Kolitsch, U.; Mockel, S.; Zadov, A. E.; Pekov, I. V.; European Journal of Mineralogy 16 (2004) 979–987; doi:10.1127/0935-1221/2004/0016-0979

data_9005695
_publ_section_title
;
 Gjerdingenite-Mn from Norway - a new mineral species
 in the labuntsovite group: descriptive data and crystal structure
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              979
_journal_page_last               987
_journal_paper_doi               10.1127/0935-1221/2004/0016-0979
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source
'Gjerdingselva, Lunner, Oppland, Oslo Region, Norway'
_chemical_formula_sum
'H16 K1.44 Mn1.013 Nb2.508 O34.56 Si8 Ti1.492'
_chemical_name_mineral           Gjerdingenite-Mn
_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                 117.62
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.563
_cell_length_b                   13.961
_cell_length_c                   7.851
_cell_volume                     1414.316
_database_code_amcsd             0007086
_exptl_crystal_density_diffrn    2.842
_cod_original_formula_sum
'O34.56 K1.44 Mn1.013 (Nb2.508 Ti1.492) Si8 H16'
_cod_database_code               9005695
Ab initio X-ray powder structure determination of parascorodite, Fe(H2O)2AsO4
Perchiazzi, N.; Ondrus, P.; Skala, R.; European Journal of Mineralogy 16 (2004) 1003–1007; doi:10.1127/0935-1221/2004/0016-1003

data_9005696
_publ_section_title
'Ab initio X-ray powder structure determination of parascorodite, Fe(H2O)2AsO4'
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              1003
_journal_page_last               1007
_journal_paper_doi               10.1127/0935-1221/2004/0016-1003
_journal_volume                  16
_journal_year                    2004
_chemical_formula_sum            'As Fe H4 O6'
_chemical_name_mineral           Parascorodite
_space_group_IT_number           165
_symmetry_space_group_name_Hall  '-P 3 2"c'
_symmetry_space_group_name_H-M   'P -3 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   8.9232
_cell_length_b                   8.9232
_cell_length_c                   9.9296
_cell_volume                     684.705
_database_code_amcsd             0007087
_exptl_crystal_density_diffrn    3.332
_cod_original_formula_sum        'Fe O6 As H4'
_cod_database_code               9005696
Vastmanlandite-(Ce) - a new lanthanide- and F-bearing sorosilicate mineral from Vastmanland, Sweden: description, crystal structure, and relation to gatelite-(Ce) Locality: Vastmanland, Sweden
Holtstam, D.; Kolitsch, U.; Andersson, U. B.; European Journal of Mineralogy 17 (2005) 129–141; doi:10.1127/0935-1221/2005/0017-0129

data_9005697
_publ_section_title
;Vastmanlandite-(Ce) - a new lanthanide- and F-bearing sorosilicate mineral
 from Vastmanland, Sweden: description, crystal structure, and relation to
 gatelite-(Ce) Locality: Vastmanland, Sweden
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              129
_journal_page_last               141
_journal_paper_doi               10.1127/0935-1221/2005/0017-0129
_journal_volume                  17
_journal_year                    2005
_chemical_compound_source        'Vastmanland, Sweden'
_chemical_formula_sum
'Al1.928 Ca0.922 Ce3.078 F0.461 Fe0.514 H2 Mg1.558 O21.539 Si5'
_chemical_name_mineral           Vastmanlandite-(Ce)
_space_group_IT_number           11
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 94.58
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.939
_cell_length_b                   5.706
_cell_length_c                   15.855
_cell_volume                     806.117
_database_code_amcsd             0007088
_exptl_crystal_density_diffrn    4.460
_cod_original_formula_sum
'Ce3.078 Ca.922 Mg1.558 Fe.514 Al1.928 Si5 O21.539 F.461 H2'
_cod_database_code               9005697
Heulandite-Ba, a new zeolite species from Norway Locality: Northern Ravnas silver prospect, southern Vinoren, Flesberg community, Buskerud county, Norway (Kongsberg ore district)
Larsen, A. O.; Nordrum, F. S.; Dobelin, N.; Armbruster, T.; Petersen, O. V.; Erambert, M.; European Journal of Mineralogy 17 (2005) 143–153; doi:10.1127/0935-1221/2005/0017-0143

data_9005698
_publ_section_title
;Heulandite-Ba, a new zeolite species from Norway Locality: Northern Ravnas
 silver prospect, southern Vinoren, Flesberg community, Buskerud county,
 Norway (Kongsberg ore district)
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              143
_journal_page_last               153
_journal_paper_doi               10.1127/0935-1221/2005/0017-0143
_journal_volume                  17
_journal_year                    2005
_chemical_compound_source
'Northern Ravnas silver prospect, southern Vinoren, Flesberg community,'
_chemical_formula_sum
'Al4.5 Ba1.098 Ca0.784 H37.688 K0.82 Na0.1 O46.742 Si13.5'
_chemical_name_mineral           Heulandite-Ba
_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                 116.55
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   17.738
_cell_length_b                   17.856
_cell_length_c                   7.419
_cell_volume                     2102.017
_database_code_amcsd             0007089
_exptl_crystal_density_diffrn    2.375
_cod_original_formula_sum
'Ba1.098 Ca.784 K.82 Na.1 (Si13.5 Al4.5) O46.742 H37.688'
_cod_database_code               9005698
Rancieite crystals from Friesach, Carinthia, Austria Note: Birnessite group
Ertl, A.; Pertlik, F.; Prem, M.; Post, J. E.; Kim, S. J.; Brandstatter, F.; Schuster, R.; European Journal of Mineralogy 17 (2005) 163–172; doi:10.1127/0935-1221/2005/0017-0163

data_9005699
_publ_section_title
;
 Rancieite crystals from Friesach, Carinthia, Austria
 Note: Birnessite group
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              163
_journal_page_last               172
_journal_paper_doi               10.1127/0935-1221/2005/0017-0163
_journal_volume                  17
_journal_year                    2005
_chemical_compound_source        'Friesach, Carinthia, Austria'
_chemical_formula_sum            'Ca1.59 Mn0.167 O2.187'
_chemical_name_mineral           Rancieite
_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                   2.845
_cell_length_b                   2.845
_cell_length_c                   7.485
_cell_formula_units_Z            1
_cell_volume                     52.467
_database_code_amcsd             0007090
_exptl_crystal_density_diffrn    3.414
_cod_original_formula_sum        'Ca1.59 Mn.167 O2.187'
_cod_database_code               9005699
Dumortierite from the Gfohl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy Sample: DUM1
Fuchs, Y.; Ertl, A.; Hughes, J. M.; Prowatke, S.; Brandstatter, F.; Schuster, R.; European Journal of Mineralogy 17 (2005) 173–183; doi:10.1127/0935-1221/2005/0017-0173

data_9005700
_publ_section_title
;
 Dumortierite from the Gfohl unit, Lower Austria: chemistry, structure,
 and infra-red spectroscopy
 Sample: DUM1
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              173
_journal_page_last               183
_journal_paper_doi               10.1127/0935-1221/2005/0017-0173
_journal_volume                  17
_journal_year                    2005
_chemical_compound_source        'Gfohl unit, Lower Austria'
_chemical_formula_sum
'Al6.64 B F0.021 Fe0.04 H0.81 Mg0.09 O17.979 Si2.84 Ti0.07'
_chemical_name_mineral           Dumortierite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.6900
_cell_length_b                   11.7875
_cell_length_c                   20.1823
_cell_volume                     1115.746
_database_code_amcsd             0007091
_exptl_crystal_density_diffrn    3.372
_cod_original_formula_sum
'Al6.64 Mg.09 Ti.07 Fe.04 Si2.84 B O17.979 F.021 H.81'
_cod_database_code               9005700
Dumortierite from the Gfohl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy Sample: DUM2
Fuchs, Y.; Ertl, A.; Hughes, J. M.; Prowatke, S.; Brandstatter, F.; Schuster, R.; European Journal of Mineralogy 17 (2005) 173–183; doi:10.1127/0935-1221/2005/0017-0173

data_9005701
_publ_section_title
;
 Dumortierite from the Gfohl unit, Lower Austria: chemistry, structure,
 and infra-red spectroscopy
 Sample: DUM2
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              173
_journal_page_last               183
_journal_paper_doi               10.1127/0935-1221/2005/0017-0173
_journal_volume                  17
_journal_year                    2005
_chemical_compound_source        'Gfohl unit, Lower Austria'
_chemical_formula_sum
'Al6.61 B F0.009 Fe0.02 H0.849 Mg0.12 O17.991 Si2.83 Ti0.09'
_chemical_name_mineral           Dumortierite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.6948
_cell_length_b                   11.8037
_cell_length_c                   20.2106
_cell_volume                     1119.991
_database_code_amcsd             0007092
_exptl_crystal_density_diffrn    3.356
_cod_original_formula_sum
'Al6.61 Mg.12 Ti.09 Fe.02 Si2.83 B O17.991 F.009 H.849'
_cod_database_code               9005701
High temperature single crystal investigation in a clinopyroxene of composition (Na0.5Ca0.5)(Cr0.5Mg0.5)Si2O6 Sample: T = 25 C, 2-theta <= 110 Note: Sample is exactly intermediate between diopside and kosmochlor
Tribaudino, M.; Nestola, F.; Ohashi, H.; European Journal of Mineralogy 17 (2005) 297–304; doi:10.1127/0935-1221/2005/0017-0297

data_9005702
_publ_section_title
;
 High temperature single crystal investigation in a clinopyroxene of
 composition (Na0.5Ca0.5)(Cr0.5Mg0.5)Si2O6
 Sample: T = 25 C, 2-theta <= 110
 Note: Sample is exactly intermediate between diopside and kosmochlor
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              297
_journal_page_last               304
_journal_paper_doi               10.1127/0935-1221/2005/0017-0297
_journal_volume                  17
_journal_year                    2005
_chemical_formula_sum            'Ca0.5 Cr0.5 Mg0.5 Na0.5 O6 Si2'
_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                 106.46
_cell_angle_gamma                90
_cell_length_a                   9.658
_cell_length_b                   8.834
_cell_length_c                   5.263
_cell_formula_units_Z            4
_cell_volume                     430.630
_database_code_amcsd             0007093
_diffrn_ambient_temperature      298.15
_exptl_crystal_density_diffrn    3.422
_cod_original_formula_sum        '(Na.5 Ca.5) (Cr.5 Mg.5) Si2 O6'
_cod_database_code               9005702
High temperature single crystal investigation in a clinopyroxene of composition (Na0.5Ca0.5)(Cr0.5Mg0.5)Si2O6 Sample: T = 25 C, 2-theta <= 50 Note: Sample is exactly intermediate between diopside and kosmochlor Note: a cell edge corrected
Tribaudino, M.; Nestola, F.; Ohashi, H.; European Journal of Mineralogy 17 (2005) 297–304; doi:10.1127/0935-1221/2005/0017-0297

data_9005703
_publ_section_title
;
 High temperature single crystal investigation in a clinopyroxene of
 composition (Na0.5Ca0.5)(Cr0.5Mg0.5)Si2O6
 Sample: T = 25 C, 2-theta <= 50
 Note: Sample is exactly intermediate between diopside and kosmochlor
 Note: a cell edge corrected
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              297
_journal_page_last               304
_journal_paper_doi               10.1127/0935-1221/2005/0017-0297
_journal_volume                  17
_journal_year                    2005
_chemical_formula_sum            'Ca0.5 Cr0.5 Mg0.5 Na0.5 O6 Si2'
_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                 106.5281
_cell_angle_gamma                90
_cell_length_a                   9.656
_cell_length_b                   8.833
_cell_length_c                   5.262
_cell_formula_units_Z            4
_cell_volume                     430.259
_diffrn_ambient_temperature      298.15
_exptl_crystal_density_diffrn    3.425
_cod_original_formula_sum        '(Na.5 Ca.5) (Cr.5 Mg.5) Si2 O6'
_cod_database_code               9005703