LMucko/crystallography-open-database huggingface dataset:
Gramaccioliite-(Y), a new mineral of the crichtonite group from Stura Valley, Piedmont, Italy Locality: the gneiss of the Hercynian Massif of Argentera at Sambuco, Italy
Orlandi, P.; Pasero, M.; Rotiroti, N.; Olmi, F.; Demartin, F.; Moelo, Y.; European Journal of Mineralogy 16 (2004) 171–175; doi:10.1127/0935-1221/2004/0016-0171

data_9005642
_publ_section_title
;Gramaccioliite-(Y), a new mineral of the crichtonite group from Stura Valley,
 Piedmont, Italy Locality: the gneiss of the Hercynian Massif of Argentera at
 Sambuco, Italy
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              171
_journal_page_last               175
_journal_paper_doi               10.1127/0935-1221/2004/0016-0171
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source
'the gneiss of the Hercynian Massif of Argentera at Sambuco, Italy'
_chemical_formula_sum
'Ce0.12 Fe8 Mn0.34 O38 Pb0.6 Sr0.3 Ti12 U0.06 Y0.48'
_chemical_name_mineral           Gramaccioliite-(Y)
_space_group_IT_number           148
_symmetry_space_group_name_Hall  '-P 3*'
_symmetry_space_group_name_H-M   'R -3 :R'
_cell_angle_alpha                68.82
_cell_angle_beta                 68.82
_cell_angle_gamma                68.82
_cell_length_a                   9.186
_cell_length_b                   9.186
_cell_length_c                   9.186
_cell_formula_units_Z            1
_cell_volume                     649.784
_database_code_amcsd             0007033
_exptl_crystal_density_diffrn    4.785
_cod_original_sg_symbol_H-M      'R -3'
_cod_original_formula_sum
'Pb.6 Sr.3 (Y.48 Mn.34 Ce.12 U.06) Fe8 Ti12 O38'
_cod_database_code               9005642
Magnesiosadanagaite, a new member of the amphibole group from Kasuga-mura, Gifu Prefecture, central Japan Sample: GSJ M35151-1
Banno, Y.; Miyawaki, R.; Matsubara, S.; Makino, K.; Bunno, M.; Yamada, S.; Kamiya, T.; European Journal of Mineralogy 16 (2004) 177–183; doi:10.1127/0935-1221/2004/0016-0177

data_9005643
_publ_section_title
;
 Magnesiosadanagaite, a new member of the amphibole group
 from Kasuga-mura, Gifu Prefecture, central Japan
 Sample: GSJ M35151-1
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              177
_journal_page_last               183
_journal_paper_doi               10.1127/0935-1221/2004/0016-0177
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Kasuga-mura, Gifu Prefecture, central Japan'
_chemical_formula_sum
'Al3.58 Ca1.95 F0.13 Fe0.82 H1.87 K0.09 Mg2.9 Mn0.02 Na0.94 O23.87 Si5.4 Ti0.3'
_chemical_name_mineral           Magnesiosadanagaite
_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                 105.29
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.869
_cell_length_b                   17.933
_cell_length_c                   5.322
_cell_volume                     908.552
_database_code_amcsd             0007034
_exptl_crystal_density_diffrn    3.178
_cod_original_formula_sum
'Na.94 K.09 Mg2.9 Fe.82 Al3.58 Ti.3 Ca1.95 Mn.02 Si5.4 O23.87 F.13 H1.87'
_cod_database_code               9005643
Magnesiosadanagaite, a new member of the amphibole group from Kasuga-mura, Gifu Prefecture, central Japan Sample: GSJ M35151-2
Banno, Y.; Miyawaki, R.; Matsubara, S.; Makino, K.; Bunno, M.; Yamada, S.; Kamiya, T.; European Journal of Mineralogy 16 (2004) 177–183; doi:10.1127/0935-1221/2004/0016-0177

data_9005644
_publ_section_title
;
 Magnesiosadanagaite, a new member of the amphibole group
 from Kasuga-mura, Gifu Prefecture, central Japan
 Sample: GSJ M35151-2
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              177
_journal_page_last               183
_journal_paper_doi               10.1127/0935-1221/2004/0016-0177
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Kasuga-mura, Gifu Prefecture, central Japan'
_chemical_formula_sum
;Al3.4 Ca1.97 Cl0.03 F0.07 Fe0.78 H1.9 K0.27 Mg3.07 Mn0.02 Na0.74 O23.9 Si5.46
 Ti0.29
;
_chemical_name_mineral           Magnesiosadanagaite
_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                 105.48
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.906
_cell_length_b                   17.971
_cell_length_c                   5.3190
_cell_volume                     912.542
_database_code_amcsd             0007035
_exptl_crystal_density_diffrn    3.172
_cod_original_formula_sum
'Na.74 K.27 Mg3.07 Fe.78 Al3.4 Ti.29 Ca1.97 Mn.02 Si5.46 O23.9 F.07 Cl.03 H1.9'
_cod_database_code               9005644
Lithium in nigerite-group minerals Note: sample #N17471 Note: X-coordinate of O7 adjusted to make the four M8-O7 bonds equivalent
Armbruster, T.; Feenstra, A.; European Journal of Mineralogy 16 (2004) 247–254; doi:10.1127/0935-1221/2004/0016-0247

data_9005645
_publ_section_title
;
 Lithium in nigerite-group minerals
 Note: sample #N17471
 Note: X-coordinate of O7 adjusted to make the four M8-O7 bonds equivalent
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              247
_journal_page_last               254
_journal_paper_doi               10.1127/0935-1221/2004/0016-0247
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Egbe District, Kabba Province, Nigeria'
_chemical_formula_sum
'Al14.784 Fe1.97 H2 Li0.576 Mg0.258 Mn0.034 O32 Sn1.736 Ti0.264 Zn2.102'
_chemical_name_mineral           Ferronigerite-6N6S
_space_group_IT_number           148
_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_length_a                   5.716
_cell_length_b                   5.716
_cell_length_c                   55.444
_cell_formula_units_Z            3
_cell_volume                     1568.807
_database_code_amcsd             0007036
_exptl_crystal_density_diffrn    4.418
_cod_original_sg_symbol_H-M      'R -3'
_cod_original_formula_sum
'(Sn1.736 Ti.264) Al14.784 Li.576 Zn2.102 Fe1.97 Mn.034 Mg.258 O32 H2'
_cod_database_code               9005645
Lithium in nigerite-group minerals
Armbruster, T.; Feenstra, A.; European Journal of Mineralogy 16 (2004) 247–254; doi:10.1127/0935-1221/2004/0016-0247

data_9005646
_publ_section_title
;
 Lithium in nigerite-group minerals
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              247
_journal_page_last               254
_journal_paper_doi               10.1127/0935-1221/2004/0016-0247
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source
'abandoned tin mine Tsomtaub, between Omaruru and Uis, Namibia'
_chemical_formula_sum
'Al14.862 Fe1.95 H2 Li0.66 Mg0.24 Mn0.06 O32 Sn1.606 Ti0.394 Zn1.988'
_chemical_name_mineral           Ferronigerite-6N6S
_space_group_IT_number           148
_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_length_a                   5.7109
_cell_length_b                   5.7109
_cell_length_c                   55.373
_cell_formula_units_Z            3
_cell_volume                     1564.004
_database_code_amcsd             0007037
_exptl_crystal_density_diffrn    4.386
_cod_original_sg_symbol_H-M      'R -3'
_cod_original_formula_sum
'(Sn1.606 Ti.394) Al14.862 Li.66 Zn1.988 Fe1.95 Mn.06 Mg.24 O32 H2'
_cod_database_code               9005646
Crystal chemistry of the schorl-dravite series Note: Tourmaline sample TM507c
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005647
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline sample TM507c
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Olkhon (Lake Baikal), Siberia'
_chemical_formula_sum
;Al5.37 B3 Ca0.246 Cr0.3 F0.081 H0.536 K0.012 Mg2.55 Na0.457 O30.919 Si5.952
 Ti0.024 V0.804
;
_chemical_name_mineral           Hydroxy-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                   15.9610
_cell_length_b                   15.9610
_cell_length_c                   7.2214
_cell_volume                     1593.207
_database_code_amcsd             0007038
_exptl_crystal_density_diffrn    3.070
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.457 Ca.246 K.012 Mg2.55 Al5.37 V.804 Cr.3 Ti.024 Si5.952 B3 O30.919 F.081
 H.536
;
_cod_database_code               9005647
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM507e
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005648
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM507e
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Olkhon (Lake Baikal), Siberia'
_chemical_formula_sum
;Al5.628 B3 Ca0.335 Cr0.159 F0.054 Fe0.003 H0.507 K0.01 Mg2.715 Na0.479
 O30.946 Si5.952 Ti0.039 V0.504
;
_chemical_name_mineral           Hydroxy-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                   15.9521
_cell_length_b                   15.9521
_cell_length_c                   7.2167
_cell_volume                     1590.395
_database_code_amcsd             0007039
_exptl_crystal_density_diffrn    3.054
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.479 Ca.335 K.01 Mg2.715 Al5.628 V.504 Cr.159 Ti.039 Fe.003 Si5.952 B3
 O30.946 F.054 H.507
;
_cod_database_code               9005648
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM235a
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005649
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM235a
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Beresov Mine, Siberia'
_chemical_formula_sum
;Al6.228 B3 Ca0.077 F0.004 Fe0.6 H0.632 K0.004 Mg2.085 Mn0.003 Na0.751 O30.996
 Si5.988 Ti0.084 V0.003 Zn0.009
;
_chemical_name_mineral           Hydroxy-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                   15.9433
_cell_length_b                   15.9433
_cell_length_c                   7.2095
_cell_volume                     1587.056
_database_code_amcsd             0007040
_exptl_crystal_density_diffrn    3.060
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.751 Ca.077 K.004 Al6.228 Mg2.085 Fe.6 Ti.084 Zn.009 V.003 Mn.003 Si5.988
 B3 O30.996 F.004 H.632
;
_cod_database_code               9005649
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM235b
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005650
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM235b
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Beresov Mine, Siberia'
_chemical_formula_sum
;Al6.303 B3 Ca0.094 Cr0.003 F0.046 Fe0.576 H0.572 K0.003 Mg2.064 Na0.724
 O30.954 Si5.982 Ti0.063 V0.003 Zn0.012
;
_chemical_name_mineral           Hydroxy-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                   15.9388
_cell_length_b                   15.9388
_cell_length_c                   7.2050
_cell_volume                     1585.170
_database_code_amcsd             0007041
_exptl_crystal_density_diffrn    3.061
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.724 Ca.094 K.003 Al6.303 Mg2.064 Fe.576 Ti.063 Zn.012 V.003 Cr.003 Si5.982
 B3 O30.954 F.046 H.572
;
_cod_database_code               9005650
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM112a
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005651
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM112a
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Haddam, Connecticut, U.S.A.'
_chemical_formula_sum
;Al6.198 B3 Ca0.257 Cr0.009 F0.126 Fe0.834 H0.47 K0.002 Mg2.013 Mn0.003
 Na0.558 O30.874 Si5.856 Ti0.054 V0.009 Zn0.009
;
_chemical_name_mineral           Hydroxy-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                   15.9633
_cell_length_b                   15.9633
_cell_length_c                   7.1942
_cell_volume                     1587.664
_database_code_amcsd             0007042
_exptl_crystal_density_diffrn    3.087
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.558 Ca.257 K.002 Mg2.013 Al6.198 Fe.834 Ti.054 Zn.009 V.009 Cr.009 Mn.003
 Si5.856 B3 O30.874 F.126 H.47
;
_cod_database_code               9005651
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM112c
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005652
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM112c
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Haddam, Connecticut, U.S.A.'
_chemical_formula_sum
;Al6.198 B3 Ca0.263 Cr0.015 F0.06 Fe0.801 H0.469 K0.003 Mg2.034 Mn0.009
 Na0.559 O30.94 Si5.88 Ti0.06 V0.009
;
_chemical_name_mineral           Oxy-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                   15.9636
_cell_length_b                   15.9636
_cell_length_c                   7.1911
_cell_volume                     1587.039
_database_code_amcsd             0007043
_exptl_crystal_density_diffrn    3.088
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.559 Ca.263 K.003 Mg2.034 Al6.198 Fe.801 Ti.06 Cr.015 Mn.009 V.009 Si5.88
 B3 O30.94 F.06 H.469
;
_cod_database_code               9005652
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM233g
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005653
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM233g
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Zillerthal, Tyrol, Austria'
_chemical_formula_sum
;Al6.387 B3 Ca0.099 F0.004 Fe0.486 H0.633 K0.004 Mg2.151 Na0.714 O30.995
 Si5.922 Ti0.039 V0.003 Zn0.012
;
_chemical_name_mineral           Hydroxy-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                   15.9355
_cell_length_b                   15.9355
_cell_length_c                   7.2002
_cell_volume                     1583.458
_database_code_amcsd             0007044
_exptl_crystal_density_diffrn    3.053
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.714 Ca.099 K.004 Al6.387 Mg2.151 Fe.486 Ti.039 Zn.012 V.003 Si5.922 B3
 O30.995 F.004 H.633
;
_cod_database_code               9005653
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM501e
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005654
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM501e
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Kwale, Mombasa, Kenya'
_chemical_formula_sum
;Al6.213 B3 Ca0.007 Cr0.006 F0.021 Fe0.54 H0.405 K0.011 Mg2.208 Mn0.003
 Na0.742 O30.978 Si6 Ti0.021 V0.003 Zn0.003
;
_chemical_name_mineral           Oxy-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                   15.9267
_cell_length_b                   15.9267
_cell_length_c                   7.1991
_cell_volume                     1581.468
_database_code_amcsd             0007045
_exptl_crystal_density_diffrn    3.051
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.742 K.011 Ca.007 Al6.213 Mg2.208 Fe.54 Ti.021 Cr.006 Zn.003 V.003 Mn.003
 Si6 B3 O30.978 F.021 H.405
;
_cod_database_code               9005654
Crystal chemistry of the schorl-dravite series Note: Tourmaline TM84a
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005655
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: Tourmaline TM84a
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Cooma, New South Wales, Australia'
_chemical_formula_sum
;Al6.981 B3 Ca0.01 F0.038 Fe1.365 H0.395 K0.006 Mg0.612 Mn0.054 Na0.451
 O30.963 Si5.952 Ti0.027 V0.003 Zn0.012
;
_chemical_name_mineral           Oxy-schorl
_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                   15.9391
_cell_length_b                   15.9391
_cell_length_c                   7.1515
_cell_volume                     1573.459
_database_code_amcsd             0007046
_exptl_crystal_density_diffrn    3.140
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.451 Ca.01 K.006 Al6.981 Fe1.365 Mg.612 Mn.054 Ti.027 Zn.012 V.003 Si5.952
 B3 O30.963 F.038 H.395
;
_cod_database_code               9005655
Crystal chemistry of the schorl-dravite series Note: TourmalineTM60e
Bosi, F.; Lucchesi, S.; European Journal of Mineralogy 16 (2004) 335–344; doi:10.1127/0935-1221/2004/0016-0335

data_9005656
_publ_section_title
;
 Crystal chemistry of the schorl-dravite series
 Note: TourmalineTM60e
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              335
_journal_page_last               344
_journal_paper_doi               10.1127/0935-1221/2004/0016-0335
_journal_volume                  16
_journal_year                    2004
_chemical_compound_source        'Bovey Tracy, Devonshire, England'
_chemical_formula_sum
;Al6.3 B3 Ca0.093 F0.205 Fe1.734 H0.443 K0.009 Mg0.975 Mn0.012 Na0.682 O30.795
 Si5.874 Ti0.081 Zn0.015
;
_chemical_name_mineral           Hydroxy-schorl
_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                   15.9856
_cell_length_b                   15.9856
_cell_length_c                   7.1840
_cell_volume                     1589.845
_database_code_amcsd             0007047
_exptl_crystal_density_diffrn    3.166
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
;Na.682 Ca.093 K.009 Fe1.734 Al6.3 Mg.975 Ti.081 Zn.015 Mn.012 Si5.874 B3
 O30.795 F.205 H.443
;
_cod_database_code               9005656