LMucko/crystallography-open-database huggingface dataset:
Crystal structure of perraultite from the coastal region of the Sea of Azov
Yamnova, N. A.; Egorov-Tismenko Y K; Pekov, I. V.; Crystallography Reports 43 (1998) 401–410; doi:

data_9012632
_publ_section_title
;
 Crystal structure of perraultite from the coastal region of the Sea of Azov
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              401
_journal_page_last               410
_journal_volume                  43
_journal_year                    1998
_chemical_compound_source        'Sea of Azov, Mariupol massif, Ukraine'
_chemical_formula_sum
'Ba2.5 Ca F4 Fe6.1 H8 K1.2 Mn9.4 Na3 Nb0.32 O72 Si16 Ti7.68 Zr0.3'
_chemical_name_mineral           Perraultite
_space_group_IT_number           5
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_cell_angle_alpha                90
_cell_angle_beta                 95.06
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.731
_cell_length_b                   13.841
_cell_length_c                   20.845
_cell_volume                     3083.996
_database_code_amcsd             0012356
_exptl_crystal_density_diffrn    3.733
_cod_original_cell_volume        3083.995
_cod_original_formula_sum
'Ba2.5 K1.2 Na3 Ca Fe6.1 Mn9.4 Zr.3 Ti7.68 Nb.32 Si16 O72 F4 H8'
_cod_database_code               9012632
Structures of two potassium-rich labuntsovites in relation to the crystal chemistry of minerals of the labuntsovite-nenadkevichite family Sample: I
Rastsvetaeva, R. K.; Chukanov, N. V.; Pekov, I. V.; Shlyukova, Z. V.; Khomyakov, A. P.; Crystallography Reports 43 (1998) 820–827; doi:

data_9012633
_publ_section_title
;Structures of two potassium-rich labuntsovites in relation to the crystal
 chemistry of minerals of the labuntsovite-nenadkevichite family Sample: I
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              820
_journal_page_last               827
_journal_volume                  43
_journal_year                    1998
_chemical_formula_sum            'H15.68 K3.4 Mn0.2 Na2 Nb0.8 O32.4 Si8 Ti3.2'
_chemical_name_mineral           Labuntsovite-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                 116.9
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.42
_cell_length_b                   13.91
_cell_length_c                   7.8
_cell_volume                     1395.254
_database_code_amcsd             0012358
_exptl_crystal_density_diffrn    2.800
_cod_original_formula_sum        'Na2 K3.4 (Ti3.2 Nb.8) Mn.2 Si8 O32.4 H15.68'
_cod_database_code               9012633
Structures of two potassium-rich labuntsovites in relation to the crystal chemistry of minerals of the labuntsovite-nenadkevichite family Sample: II
Rastsvetaeva, R. K.; Chukanov, N. V.; Pekov, I. V.; Shlyukova, Z. V.; Khomyakov, A. P.; Crystallography Reports 43 (1998) 820–827; doi:

data_9012634
_publ_section_title
;Structures of two potassium-rich labuntsovites in relation to the crystal
 chemistry of minerals of the labuntsovite-nenadkevichite family Sample: II
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              820
_journal_page_last               827
_journal_volume                  43
_journal_year                    1998
_chemical_formula_sum
'Ba0.4 Fe0.063 H16 K2.8 Mg0.025 Mn0.063 Na2.25 Nb0.4 O32.3 Si8 Ti3.6'
_chemical_name_mineral           Labuntsovite-Fe
_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                 117.1
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.33
_cell_length_b                   13.83
_cell_length_c                   7.79
_cell_volume                     1374.357
_database_code_amcsd             0012359
_exptl_crystal_density_diffrn    2.877
_cod_original_formula_sum
'Na2.25 K2.8 (Ti3.6 Nb.4) Fe.063 Mn.063 Mg.025 Si8 O32.3 Ba.4 H16'
_cod_database_code               9012634
Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif: Crystal structures and mineralogical geochemistry Kola Peninsula, Russia
Pushcharovsky, D. Y.; Pekov, I. V.; Pluth, J. J.; Smith, J. V.; Ferraris, G.; Vinogradova, S. A.; Arakcheeva, A. V.; Soboleva, S. V.; Semenov, E. I.; Crystallography Reports 44 (1999) 565–574; doi:

data_9012635
_publ_section_title
;
 Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif:
 Crystal structures and mineralogical geochemistry
 Kola Peninsula, Russia
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              565
_journal_page_last               574
_journal_volume                  44
_journal_year                    1999
_chemical_compound_source
'Yubileinaya pegmatite, Karnasurt Mountain, Lovozero Massif,'
_chemical_formula_sum            'H19.2 Mn3 Na3 O32 Si8 Ti0.25'
_chemical_name_mineral           Raite
_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                 100.5
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   15.1
_cell_length_b                   17.60
_cell_length_c                   5.290
_cell_volume                     1382.329
_database_code_amcsd             0012360
_exptl_crystal_density_diffrn    2.407
_cod_original_formula_sum        'Na3 Mn3 Ti.25 Si8 O32 H19.2'
_cod_database_code               9012635
Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif: Crystal structures and mineralogical geochemistry
Pushcharovsky, D. Y.; Pekov, I. V.; Pluth, J. J.; Smith, J.; Ferraris, G.; Vinogradova, S. A.; Arakcheeva, A. V.; Soboleva, S. V.; Semenov, E. I.; Crystallography Reports 44 (1999) 565–574; doi:

data_9012636
_publ_section_title
;
 Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif:
 Crystal structures and mineralogical geochemistry
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              565
_journal_page_last               574
_journal_volume                  44
_journal_year                    1999
_chemical_compound_source        'Lovozero Massif'
_chemical_formula_sum
;Ba0.019 Ca0.051 Ce0.52 Fe0.23 La0.43 Mg0.1 Mn0.42 Na2.949 Nd0.05 O17 Si6
 Sr0.981 Zn0.24
;
_chemical_name_mineral           Manganonordite-(Ce)
_space_group_IT_number           54
_symmetry_space_group_name_Hall  '-P 2a 2ac'
_symmetry_space_group_name_H-M   'P c c a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   14.44
_cell_length_b                   5.187
_cell_length_c                   19.82
_cell_formula_units_Z            4
_cell_volume                     1484.524
_database_code_amcsd             0012361
_exptl_crystal_density_diffrn    3.547
_cod_original_cell_volume        1484.523
_cod_original_formula_sum
;(Na2.949 Ca.051) (Sr.981 Ba.019) (Ce.52 La.43 Nd.05) Mn.42 Zn.24 Mg.1 Fe.23
 Si6 O17
;
_cod_database_code               9012636
Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif: Crystal structures and mineralogical geochemistry
Pushcharovsky, D. Y.; Pekov, I. V.; Pluth, J. J.; Smith, J.; Ferraris, G.; Vinogradova, S. A.; Arakcheeva, A. V.; Soboleva, S. V.; Semenov, E. I.; Crystallography Reports 44 (1999) 565–574; doi:

data_9012637
_publ_section_title
;
 Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif:
 Crystal structures and mineralogical geochemistry
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              565
_journal_page_last               574
_journal_volume                  44
_journal_year                    1999
_chemical_compound_source        'Lovozero Massif'
_chemical_formula_sum
;Ba0.02 Ca0.099 Ce0.51 Fe0.42 La0.42 Mg0.1 Mn0.26 Na2.901 Nd0.04 O17 Pr0.03
 Si6 Sr0.98 Zn0.22
;
_chemical_name_mineral           Ferronordite-(Ce)
_space_group_IT_number           54
_symmetry_space_group_name_Hall  '-P 2a 2ac'
_symmetry_space_group_name_H-M   'P c c a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   14.46
_cell_length_b                   5.194
_cell_length_c                   19.8740
_cell_formula_units_Z            4
_cell_volume                     1492.642
_database_code_amcsd             0012362
_exptl_crystal_density_diffrn    3.534
_cod_original_cell_volume        1492.641
_cod_original_formula_sum
;(Na2.901 Ca.099) (Sr.98 Ba.02) (Ce.51 La.42 Nd.04 Pr.03) (Fe.42 Mn.26 Zn.22
 Mg.1) Si6 O17
;
_cod_database_code               9012637
Crystal structure of a novel analog of eudialyte with R3 symmetry
Rastsvetaeva, R. K.; Khomyakov, A. P.; Nekrasov, Y. V.; Crystallography Reports 44 (1999) 765–769; doi:

data_9012638
_publ_section_title
;
 Crystal structure of a novel analog of eudialyte with R3 symmetry
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              765
_journal_page_last               769
_journal_volume                  44
_journal_year                    1999
_chemical_compound_source
'Alluaiv mountain, Lovozero massif, Kola Peninsula, Russia'
_chemical_formula_sum
;Ca2.1 Ce0.579 Cl0.3 F0.5 Fe0.15 H3.816 Hf0.051 K0.099 La0.342 Mn3.6 Na16.002
 Nb0.4 Nd0.228 O77.11 Si25.6 Sr0.45 Ti0.099 Zr3.3
;
_chemical_name_mineral           Kentbrooksite
_space_group_IT_number           146
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   14.182
_cell_length_b                   14.182
_cell_length_c                   30.37
_cell_volume                     5289.936
_database_code_amcsd             0012363
_exptl_crystal_density_diffrn    3.006
_cod_original_sg_symbol_H-M      'R 3'
_cod_original_formula_sum
;Na16.002 Ca2.1 Ce.579 La.342 Nd.228 Mn3.6 Fe.15 Zr3.3 Hf.051 Nb.4 Sr.45 K.099
 Ti.099 Si25.6 O77.11 F.5 Cl.3 H3.816
;
_cod_database_code               9012638
Crystal structure of a novel analog of eudialyte with R3 symmetry Locality: Alluaiv mountain, Lovozero alakaline massif, Kola Peninsula, Russia
Rastsvetaeva, R. K.; Khomyakov, A. P.; Nekrasov, Y. V.; Crystallography Reports 44 (1999) 824–828; doi:

data_9012639
_publ_section_title
;Crystal structure of a novel analog of eudialyte with R3 symmetry Locality:
 Alluaiv mountain, Lovozero alakaline massif, Kola Peninsula, Russia
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              824
_journal_page_last               828
_journal_volume                  44
_journal_year                    1999
_chemical_compound_source
'Alluaiv mountain, Lovozero alakaline massif, Kola Peninsula, Russia'
_chemical_formula_structural     Na18Mn3Ca3Zr3Si26O76*H2O
_chemical_formula_sum
;Ca2.1 Ce0.54 Cl0.17 F0.28 Fe0.15 H3.78 Hf0.051 K0.099 La0.312 Mn3.6 Na16.002
 Nb0.4 Nd0.198 O77.11 Si25.6 Sr0.45 Ti0.099 Y0.099 Zr3.3
;
_space_group_IT_number           146
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   14.182
_cell_length_b                   14.182
_cell_length_c                   30.37
_cell_volume                     5289.936
_database_code_amcsd             0012364
_exptl_crystal_density_diffrn    2.993
_cod_original_sg_symbol_H-M      'R 3'
_cod_original_formula_sum
;Na16.002 Ca2.1 Ce.54 La.312 Nd.198 Y.099 Mn3.6 Zr3.3 Ti.099 Si25.6 O77.11
 Nb.4 Fe.15 Hf.051 Sr.45 K.099 F.28 Cl.17 H3.78
;
_cod_database_code               9012639
_amcsd_formula_title             Na18Mn3Ca3Zr3Si26O76*H2O
Crystal structure of urusovite Cu(AlAsO5): a new type of an aluminoarsenate tetrahedral polyanion
Krivovichev, S. V.; Molchanov, A. V.; Filatov, S. K.; Crystallography Reports 45 (2000) 723–727; doi:10.1134/1.1312909

data_9012640
_publ_section_title
;
 Crystal structure of urusovite Cu(AlAsO5): a new type of an aluminoarsenate
 tetrahedral polyanion
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              723
_journal_page_last               727
_journal_paper_doi               10.1134/1.1312909
_journal_volume                  45
_journal_year                    2000
_chemical_compound_source        'Kamchatka peninsula, Russia'
_chemical_formula_sum            'Al As Cu O5'
_chemical_name_mineral           Urusovite
_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                 99.79
_cell_angle_gamma                90
_cell_length_a                   7.335
_cell_length_b                   10.255
_cell_length_c                   5.599
_cell_formula_units_Z            4
_cell_volume                     415.026
_database_code_amcsd             0012367
_exptl_crystal_density_diffrn    3.928
_cod_original_formula_sum        'Cu Al As O5'
_cod_database_code               9012640
Refined crystal structure of kuzmenkoite
Rastsvetaeva, R. K.; Chukanov, N. V.; Pekov, I. V.; Crystallography Reports 45 (2000) 759–761; doi:10.1134/1.1312915

data_9012641
_publ_section_title
;
 Refined crystal structure of kuzmenkoite
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              759
_journal_page_last               761
_journal_paper_doi               10.1134/1.1312915
_journal_volume                  45
_journal_year                    2000
_chemical_compound_source        'Lovozero massif, Kola Peninsula, Russia'
_chemical_formula_sum
'Ba0.03 Fe0.4 H13.17 K1.63 Mn0.56 Na0.18 Nb0.34 O32.25 Si8 Ti3.4'
_chemical_name_mineral           Kuzmenkoite-Mn
_space_group_IT_number           8
_symmetry_space_group_name_Hall  'C -2y'
_symmetry_space_group_name_H-M   'C 1 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 117.09
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.369
_cell_length_b                   13.906
_cell_length_c                   7.812
_cell_volume                     1389.708
_database_code_amcsd             0012368
_exptl_crystal_density_diffrn    2.565
_cod_original_formula_sum
'K1.63 Ba.03 Na.18 Ti3.4 Nb.34 Fe.4 Mn.56 Si8 O32.25 H13.17'
_cod_database_code               9012641
Crystal structure of high-manganese tinzenite from the Falotta deposit in Switzerland Locality: Falotta deposit, Switzerland
Belokoneva, E. L.; Goryunova, A. N.; Pletnev, P. A.; Spiridonov, E. M.; Crystallography Reports 46 (2001) 30–32; doi:10.1134/1.1343122

data_9012642
_publ_section_title
;
 Crystal structure of high-manganese tinzenite from the Falotta deposit
 in Switzerland
 Locality: Falotta deposit, Switzerland
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              30
_journal_page_last               32
_journal_paper_doi               10.1134/1.1343122
_journal_volume                  46
_journal_year                    2001
_chemical_formula_sum
'Al1.88 B Ca1.42 Fe0.21 H Mg0.03 Mn1.46 O16 Si4'
_chemical_name_mineral           Tinzenite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                91.88
_cell_angle_beta                 98.80
_cell_angle_gamma                77.05
_cell_formula_units_Z            2
_cell_length_a                   7.154
_cell_length_b                   9.126
_cell_length_c                   8.949
_cell_volume                     562.694
_exptl_crystal_density_diffrn    3.426
_cod_original_formula_sum        'Ca1.42 Mn1.46 Mg.03 Fe.21 Al1.88 Si4 B O16 H'
_cod_database_code               9012642
_cod_duplicate_entry 9009953
Crystal structure of litvinskite: A new natural member of the lovozerite group Locality: Alluaiv mountain, Lovozero massif, Kola Peninsula, Russia
Yamnova, N. A.; Egorov-Tismenko Y K; Pekov, I. V.; Ekimenkova, I. A.; Crystallography Reports 46 (2001) 190–193; doi:10.1134/1.1358391

data_9012643
_publ_section_title
;Crystal structure of litvinskite: A new natural member of the lovozerite
 group Locality: Alluaiv mountain, Lovozero massif, Kola Peninsula, Russia
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              190
_journal_page_last               193
_journal_paper_doi               10.1134/1.1358391
_journal_volume                  46
_journal_year                    2001
_chemical_compound_source
'Alluaiv mountain, Lovozero massif, Kola Peninsula, Russia'
_chemical_formula_sum
;Al0.18 Ca0.01 Fe0.01 H10 Hf0.01 K0.01 Mn0.14 Na2.51 O18.45 Si5.82 Ti0.01
 Zr0.96
;
_chemical_name_mineral           Litvinskite
_space_group_IT_number           8
_symmetry_space_group_name_Hall  'C -2y'
_symmetry_space_group_name_H-M   'C 1 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 92.91
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.589
_cell_length_b                   10.217
_cell_length_c                   7.355
_cell_volume                     794.695
_database_code_amcsd             0012370
_exptl_crystal_density_diffrn    2.634
_cod_original_formula_sum
'Na2.51 K.01 O18.45 Mn.14 Ca.01 Fe.01 Zr.96 Ti.01 Hf.01 (Si5.82 Al.18) H10'
_cod_database_code               9012643
Refined crystal structure of TR-fersmite (TR = Ce)
Gurbanova, O. A.; Rastsvetaeva, R. K.; Kashaev, A. A.; Smolin, A. S.; Crystallography Reports 46 (2001) 194–195; doi:10.1134/1.1358392

data_9012644
_publ_section_title
;
 Refined crystal structure of TR-fersmite (TR = Ce)
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              194
_journal_page_last               195
_journal_paper_doi               10.1134/1.1358392
_journal_volume                  46
_journal_year                    2001
_chemical_compound_source        'Ust'-Biran deposit'
_chemical_formula_sum            'Ca0.89 Ce0.11 Nb1.3 O6 Ti0.7'
_chemical_name_mineral           Fersmite
_space_group_IT_number           60
_symmetry_space_group_name_Hall  '-P 2n 2c'
_symmetry_space_group_name_H-M   'P c a n'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.762
_cell_length_b                   14.988
_cell_length_c                   5.246
_cell_formula_units_Z            4
_cell_volume                     453.049
_database_code_amcsd             0012371
_exptl_crystal_density_diffrn    4.418
_cod_original_formula_sum        '(Ca.89 Ce.11) (Nb1.3 Ti.7) O6'
_cod_database_code               9012644
Modular structure of a sodium-rich analogue of eudialyte with the doubled c-parameter and the R3 symmetry
Rastsvetaeva, R. K.; Khomyakov, A. P.; Crystallography Reports 46 (2001) 752–757; doi:10.1134/1.1405861

data_9012645
_publ_section_title
;
 Modular structure of a sodium-rich analogue of eudialyte with
 the doubled c-parameter and the R3 symmetry
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              752
_journal_page_last               757
_journal_paper_doi               10.1134/1.1405861
_journal_volume                  46
_journal_year                    2001
_chemical_compound_source        'Eveslogchorr mountain'
_chemical_formula_sum
;Ca12 Ce0.102 Cl2.68 F0.68 Fe2.19 H11.56 K1.452 Mn0.81 Na34.53 O151.54 Si51.2
 Sr0.735 Ti0.52 Zr6
;
_chemical_name_mineral           Labyrinthite
_space_group_IT_number           146
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   14.239
_cell_length_b                   14.239
_cell_length_c                   60.733
_cell_volume                     10663.858
_database_code_amcsd             0012372
_exptl_crystal_density_diffrn    2.864
_cod_original_sg_symbol_H-M      'R 3'
_cod_original_formula_sum
;Zr6 Ca12 Si51.2 O151.54 Ti.52 Fe2.19 Mn.81 Na34.53 Cl2.68 F.68 K1.452 Ce.102
 Sr.735 H11.56
;
_cod_database_code               9012645
Crystal structure of calcioburbankite and the characteristic features of the burbankite structure type
Belovitskaya, Y. V.; Pekov, I. V.; Gobechiya, E. R.; Kabalov, Y. K.; Subbotin, V. V.; Crystallography Reports 46 (2001) 927–931; doi:10.1134/1.1420820

data_9012646
_publ_section_title
;
 Crystal structure of calcioburbankite and the characteristic features of the
 burbankite structure type
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              927
_journal_page_last               931
_journal_paper_doi               10.1134/1.1420820
_journal_volume                  46
_journal_year                    2001
_chemical_compound_source        'Vuoriyarvi, North Kareliya'
_chemical_formula_sum
'C5 Ba0.501 Ca1.437 Ce0.438 La0.243 Na2.667 Nd0.099 O15 Sr0.549'
_chemical_name_mineral           Calcioburbankite
_space_group_IT_number           186
_symmetry_space_group_name_Hall  'P 6c -2c'
_symmetry_space_group_name_H-M   'P 63 m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   10.4974
_cell_length_b                   10.4974
_cell_length_c                   6.4309
_cell_formula_units_Z            2
_cell_volume                     613.714
_database_code_amcsd             0012373
_exptl_crystal_density_diffrn    3.492
_cod_original_formula_sum
'Na2.667 Ca1.437 Ce.438 La.243 Nd.099 Ba.501 Sr.549 C5 O15'
_cod_database_code               9012646
Refined crystal structure of lovozerite Na2CaZr[Si6O12(OH,O)6]*H2O
Yamnova, N. A.; Egorov-Tismenko Y K; Pekov, I. V.; Crystallography Reports 46 (2001) 937–941; doi:10.1134/1.1420822

data_9012647
_publ_section_title
;
 Refined crystal structure of lovozerite Na2CaZr[Si6O12(OH,O)6]*H2O
;
_journal_name_full               'Crystallography Reports'
_journal_page_first              937
_journal_page_last               941
_journal_paper_doi               10.1134/1.1420822
_journal_volume                  46
_journal_year                    2001
_chemical_compound_source        'Kola Peninsula, Russia'
_chemical_formula_sum
'Ca0.35 Fe0.14 H10.8 Hf0.03 K0.09 Mn0.08 Na2.39 O18.9 Si6 Ti0.03 Zr0.8'
_chemical_name_mineral           Lovozerite
_space_group_IT_number           146
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   10.18
_cell_length_b                   10.18
_cell_length_c                   13.13
_cell_volume                     1178.395
_database_code_amcsd             0012374
_exptl_crystal_density_diffrn    2.732
_cod_original_sg_symbol_H-M      'R 3'
_cod_original_formula_sum
'Na2.39 K.09 Ca.35 Mn.08 (Zr.8 Fe.14 Ti.03 Hf.03) Si6 O18.9 H10.8'
_cod_database_code               9012647