American Mineralogist Crystal Structure Database

80 matching records for this search.

Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n3 Qm=1 from S. Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0003826
14.2877 5.7363 5.0561 90 90 90 Pbcn
atom       x      y       z  occ  Uiso
FeA        0 .32935     .25 .202 .0066
MnA        0 .32935     .25 .767 .0066
TiA        0 .32935     .25 .028 .0066
ScA        0 .32935     .25 .001 .0066
CaA        0 .32935     .25 .001 .0066
SnA        0 .32935     .25 .001 .0066
NbB  .161507 .18026 .747924 .955 .0047
TaB  .161507 .18026 .747924 .040 .0047
TiB  .161507 .18026 .747924 .004 .0047
WB   .161507 .18026 .747924 .001 .0047
O1    .09697 .10323  .06932      .0069
O2    .08150 .38359  .59769      .0080
O3    .24388 .12397  .41844      .0061
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: AMB n3 Qm=1 from Ambatofotsikely, Madagascar
_database_code_amcsd 0003827
14.3267 5.7392 5.0674 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32531    .25 .462 .0081
MnA        0 .32531    .25 .476 .0081
ScA        0 .32531    .25 .045 .0081
TiA        0 .32531    .25 .012 .0081
SnA        0 .32531    .25 .004 .0081
CaA        0 .32531    .25 .001 .0081
NbB  .162115 .17965 .74368 .903 .0060
TaB  .162115 .17965 .74368 .043 .0060
TiB  .162115 .17965 .74368 .052 .0060
WB   .162115 .17965 .74368 .002 .0060
O1    .09742  .1025  .0641      .0068
O2    .08143  .3835  .5974      .0087
O3    .24383  .1239  .4138      .0069
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: RIO n5 Qm=1 from Rio Arriba Co., Globe Mine, U.S.A.
_database_code_amcsd 0003828
14.3434 5.7415 5.0665 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32435    .25 .534 .0079
MnA        0 .32435    .25 .457 .0079
TiA        0 .32435    .25 .007 .0079
SnA        0 .32435    .25 .001 .0079
CaA        0 .32435    .25 .001 .0079
NbB  .162060 .17992 .74297 .918 .0063
TaB  .162060 .17992 .74297 .047 .0063
TiB  .162060 .17992 .74297 .028 .0063
WB   .162060 .17992 .74297 .007 .0063
O1    .09738  .1011  .0633      .0084
O2    .08183  .3842  .5963      .0098
O3    .24378  .1246  .4138      .0080
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n3p Qm=1 from Kragero, Norway
_database_code_amcsd 0003829
14.4003 5.7501 5.0784 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .31956    .25 .806 .0074
MnA        0 .31956    .25 .148 .0074
TiA        0 .31956    .25 .034 .0074
CaA        0 .31956    .25 .008 .0074
SnA        0 .31956    .25 .003 .0074
ScA        0 .31956    .25 .001 .0074
NbB  .162545 .17972 .73927 .901 .0056
TaB  .162545 .17972 .73927 .076 .0056
TiB  .162545 .17972 .73927 .023 .0056
O1    .09818  .0991  .0581      .0084
O2    .41740  .1164  .0969      .0092
O3    .75611  .1265  .0900      .0073
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.618 from S. Jose de Safira, Minas Gerais, Brazil
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003830
14.2427 5.7290 5.0856 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .33008    .25 .589 .0077
NbA        0 .33008    .25 .250 .0077
MnA        0 .33008    .25 .156 .0077
TaA        0 .33008    .25 .005 .0077
NbB  .162922 .17652 .74777 .825 .0066
FeB  .162922 .17652 .74777 .100 .0066
TaB  .162922 .17652 .74777 .048 .0066
MnB  .162922 .17652 .74777 .027 .0066
O1    .09492  .1065  .0718      .0091
O2    .42004  .1170  .0936      .0100
O3    .75627  .1218  .0823      .0082
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.685 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 600 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003831
14.2445 5.7265 5.0789 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32929    .25 .625 .0074
NbA        0 .32929    .25 .207 .0074
MnA        0 .32929    .25 .165 .0074
TaA        0 .32929    .25 .003 .0074
NbB  .162846 .17715 .74782 .846 .0062
FeB  .162846 .17715 .74782 .083 .0062
TaB  .162846 .17715 .74782 .049 .0062
MnB  .162846 .17715 .74782 .022 .0062
O1    .09502 .10630  .0721      .0088
O2    .41991 .11684  .0944      .0094
O3    .75624 .12194  .0828      .0080
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.714 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 650 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003832
14.2501 5.7263 5.0767 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32898    .25 .640 .0069
NbA        0 .32898    .25 .188 .0069
MnA        0 .32898    .25 .169 .0069
TaA        0 .32898    .25 .003 .0069
NbB  .162739 .17765 .74783 .856 .0057
FeB  .162739 .17765 .74783 .075 .0057
TaB  .162739 .17765 .74783 .049 .0057
MnB  .162739 .17765 .74783 .020 .0057
O1    .09526 .10613  .0714      .0085
O2    .41987 .11665  .0942      .0093
O3    .75626 .12201  .0822      .0078
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.745 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 650 C for t = 200 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003833
14.2582 5.7290 5.0748 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32890    .25 .657 .0068
MnA        0 .32890    .25 .173 .0068
NbA        0 .32890    .25 .168 .0068
TaA        0 .32890    .25 .002 .0068
NbB  .162585 .17803 .74783 .866 .0056
FeB  .162585 .17803 .74783 .067 .0056
TaB  .162585 .17803 .74783 .049 .0056
MnB  .162585 .17803 .74783 .018 .0056
O1    .09542 .10587  .0713      .0082
O2    .41968 .11675  .0947      .0090
O3    .75611 .12241  .0822      .0074
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.752 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 700 C for t = 5 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003834
14.2600 5.7293 5.0746 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32897    .25 .660 .0067
MnA        0 .32897    .25 .175 .0067
NbA        0 .32897    .25 .164 .0067
TaA        0 .32897    .25 .001 .0067
NbB  .162566 .17806 .74780 .868 .0056
FeB  .162566 .17806 .74780 .066 .0056
TaB  .162566 .17806 .74780 .050 .0056
MnB  .162566 .17806 .74780 .017 .0056
O1    .09540 .10591  .0712      .0082
O2    .41965 .11679  .0949      .0093
O3    .75624 .12256  .0824      .0076
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.759 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 700 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003835
14.2658 5.7299 5.0748 90 90 90 Pbcn
atom       x       y      z  occ  Uiso
FeA        0  .32883    .25 .664 .0065
MnA        0  .32883    .25 .175 .0065
NbA        0  .32883    .25 .161 .0065
NbB  .162499 .178229 .74783 .870 .0052
FeB  .162499 .178229 .74783 .063 .0052
TaB  .162499 .178229 .74783 .050 .0052
MnB  .162499 .178229 .74783 .017 .0052
O1    .09553  .10546  .0708      .0079
O2    .41954  .11696  .0949      .0088
O3    .75613  .12263  .0820      .0074
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.898 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 800 C for t = 7 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003836
14.2733 5.7317 5.0646 90 90 90 Pbcn
atom       x      y       z  occ  Uiso
FeA        0 .32901     .25 .737 .0059
MnA        0 .32901     .25 .195 .0059
NbA        0 .32901     .25 .068 .0059
NbB  .161976 .17932 .747813 .916 .0045
TaB  .161976 .17932 .747813 .050 .0045
FeB  .161976 .17932 .747813 .027 .0045
MnB  .161976 .17932 .747813 .007 .0045
O1    .09620 .10423   .0702      .0070
O2    .41902 .11657   .0966      .0081
O3    .75607 .12332   .0820      .0066
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.902 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 800 C for t = 40 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003837
14.2744 5.7321 5.0616 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32897    .25 .739 .0061
MnA        0 .32897    .25 .195 .0061
NbA        0 .32897    .25 .066 .0061
NbB  .161958 .17943 .74774 .917 .0047
TaB  .161958 .17943 .74774 .050 .0047
FeB  .161958 .17943 .74774 .026 .0047
MnB  .161958 .17943 .74774 .007 .0047
O1    .09645 .10415  .0700      .0070
O2    .41903 .11675  .0964      .0084
O3    .75604 .12375  .0821      .0066
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.988 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 950 C for t = 3 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003838
14.2852 5.7361 5.0574 90 90 90 Pbcn
atom       x      y       z  occ  Uiso
FeA        0 .32904     .25 .785 .0059
MnA        0 .32904     .25 .207 .0059
NbA        0 .32904     .25 .008 .0059
NbB  .161550 .18024 .747862 .945 .0041
TaB  .161550 .18024 .747862 .051 .0041
FeB  .161550 .18024 .747862 .003 .0041
MnB  .161550 .18024 .747862 .001 .0041
O1    .09692 .10376   .0692      .0059
O2    .41864 .11713   .0977      .0077
O3    .75587 .12388   .0814      .0061
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.565 from Kragero, Norway
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003839
14.325 5.744 5.113 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32419    .25 .555 .0111
NbA        0 .32419    .25 .235 .0111
FeA        0 .32419    .25 .099 .0111
TaA        0 .32419    .25 .046 .0111
TiA        0 .32419    .25 .024 .0111
CaA        0 .32419    .25 .009 .0111
NbB   .16390 .17599 .74219 .770 .0073
MnB   .16390 .17599 .74219 .117 .0073
TaB   .16390 .17599 .74219 .066 .0073
FeB   .16390 .17599 .74219 .021 .0073
TiB   .16390 .17599 .74219 .002 .0073
O1     .0958  .1035  .0645      .0132
O2     .4198  .1159  .0925      .0125
O3     .7569  .1224  .0880      .0099
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.674 from Kragero, Norway
Sample: Annealed at T = 500 C for t = 15 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003840
14.344 5.739 5.105 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32241    .25 .612 .0097
FeA        0 .32241    .25 .110 .0097
NbA        0 .32241    .25 .167 .0097
TaA        0 .32241    .25 .042 .0097
TiA        0 .32241    .25 .026 .0097
CaA        0 .32241    .25 .008 .0097
NbB   .16371 .17733 .74098 .804 .0076
MnB   .16371 .17733 .74098 .087 .0076
TaB   .16371 .17733 .74098 .068 .0076
FeB   .16371 .17733 .74098 .016 .0076
TiB   .16371 .17733 .74098 .002 .0076
O1     .0959  .1041  .0632      .0140
O2     .4188  .1163  .0927      .0124
O3     .7563  .1234  .0888      .0110
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.742 from Kragero, Norway
Sample: Annealed at T = 530 C for t = 92 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003841
14.334 5.737 5.096 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32200    .25 .648 .0098
NbA        0 .32200    .25 .123 .0098
FeA        0 .32200    .25 .116 .0098
TaA        0 .32200    .25 .044 .0098
TiA        0 .32200    .25 .028 .0098
CaA        0 .32200    .25 .008 .0098
NbB   .16367 .17764 .74094 .826 .0076
MnB   .16367 .17764 .74094 .069 .0076
TaB   .16367 .17764 .74094 .067 .0076
FeB   .16367 .17764 .74094 .012 .0076
TiB   .16367 .17764 .74094 .002 .0076
O1     .0962  .1037  .0627      .0135
O2     .4191  .1155  .0928      .0125
O3    .75668  .1233  .0891      .0102
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.817 from Kragero, Norway
Sample: Annealed at T = 600 C for t = 67 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003842
14.352 5.740 5.093 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32118    .25 .687 .0087
FeA        0 .32118    .25 .123 .0087
NbA        0 .32118    .25 .077 .0087
TaA        0 .32118    .25 .040 .0087
TiA        0 .32118    .25 .030 .0087
CaA        0 .32118    .25 .008 .0087
NbB   .16339 .17830 .74020 .849 .0066
TaB   .16339 .17830 .74020 .069 .0066
MnB   .16339 .17830 .74020 .049 .0066
FeB   .16339 .17830 .74020 .009 .0066
TiB   .16339 .17830 .74020 .001 .0066
O1    .09674  .1020  .0604      .0121
O2    .41849  .1154  .0934      .0118
O3    .75638  .1235  .0884      .0095
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.844 from Kragero, Norway
Sample: Annealed at T = 600 C for t = 177 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003843
14.352 5.740 5.090 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32096    .25 .701 .0091
FeA        0 .32096    .25 .126 .0091
NbA        0 .32096    .25 .061 .0091
TaA        0 .32096    .25 .039 .0091
TiA        0 .32096    .25 .030 .0091
CaA        0 .32096    .25 .009 .0091
NbB   .16331 .17850 .74029 .857 .0069
TaB   .16331 .17850 .74029 .069 .0069
MnB   .16331 .17850 .74029 .042 .0069
FeB   .16331 .17850 .74029 .007 .0069
TiB   .16331 .17850 .74029 .001 .0069
O1     .0970  .1019  .0603      .0127
O2     .4187  .1151  .0942      .0120
O3     .7564  .1239  .0890      .0098
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Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.922 from Kragero, Norway
Sample: Annealed at T = 700 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003844
14.380 5.745 5.088 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32071    .25 .741 .0064
FeA        0 .32071    .25 .133 .0064
TiA        0 .32071    .25 .032 .0064
NbA        0 .32071    .25 .023 .0064
TaA        0 .32071    .25 .028 .0064
CaA        0 .32071    .25 .009 .0064
NbB   .16305 .17880 .73984 .876 .0044
TaB   .16305 .17880 .73984 .075 .0044
MnB   .16305 .17880 .73984 .021 .0044
FeB   .16305 .17880 .73984 .004 .0044
O1     .0972  .1005  .0597      .0091
O2     .4181  .1155  .0957      .0094
O3     .7562  .1247  .0897      .0069
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Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.960 from Kragero, Norway
Sample: Annealed at T = 800 C for t = 15 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003845
14.380 5.750 5.084 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32024    .25 .761 .0063
FeA        0 .32024    .25 .136 .0063
TiA        0 .32024    .25 .033 .0063
TaA        0 .32024    .25 .023 .0063
CaA        0 .32024    .25 .009 .0063
NbA        0 .32024    .25 .004 .0063
NbB  .162783 .17929 .73941 .885 .0041
TaB  .162783 .17929 .73941 .078 .0041
MnB  .162783 .17929 .73941 .011 .0041
FeB  .162783 .17929 .73941 .002 .0041
O1    .09794  .0999  .0582      .0080
O2    .41751  .1158  .0961      .0087
O3    .75611  .1255  .0901      .0062
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Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=1 from Kragero, Norway
Sample: Annealed at T = 800 C for t = 24 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003846
14.395 5.753 5.083 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .31996    .25 .782 .0049
FeA        0 .31996    .25 .140 .0049
TiA        0 .31996    .25 .034 .0049
CaA        0 .31996    .25 .010 .0049
NbB  .162594 .17958 .73910 .889 .0041
TaB  .162594 .17958 .73910 .089 .0041
O1    .09828  .0992  .0575      .0072
O2    .41726  .1154  .0964      .0082
O3    .75608  .1253  .0896      .0058
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Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n3 Qm=1 from S. Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0003847
14.2877 5.7363 5.0561 90 90 90 Pbcn
atom       x      y       z  occ  Uiso
FeA        0 .32935     .25 .202 .0066
MnA        0 .32935     .25 .767 .0066
TiA        0 .32935     .25 .028 .0066
ScA        0 .32935     .25 .001 .0066
CaA        0 .32935     .25 .001 .0066
SnA        0 .32935     .25 .001 .0066
NbB  .161507 .18026 .747924 .955 .0047
TaB  .161507 .18026 .747924 .040 .0047
TiB  .161507 .18026 .747924 .004 .0047
WB   .161507 .18026 .747924 .001 .0047
O1    .09697 .10323  .06932      .0069
O2    .08150 .38359  .59769      .0080
O3    .24388 .12397  .41844      .0061
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Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: AMB n3 Qm=1 from Ambatofotsikely, Madagascar
_database_code_amcsd 0003848
14.3267 5.7392 5.0674 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32531    .25 .462 .0081
MnA        0 .32531    .25 .476 .0081
ScA        0 .32531    .25 .045 .0081
TiA        0 .32531    .25 .012 .0081
SnA        0 .32531    .25 .004 .0081
CaA        0 .32531    .25 .001 .0081
NbB  .162115 .17965 .74368 .903 .0060
TaB  .162115 .17965 .74368 .043 .0060
TiB  .162115 .17965 .74368 .052 .0060
WB   .162115 .17965 .74368 .002 .0060
O1    .09742  .1025  .0641      .0068
O2    .08143  .3835  .5974      .0087
O3    .24383  .1239  .4138      .0069
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Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: RIO n5 Qm=1 from Rio Arriba Co., Globe Mine, U.S.A.
_database_code_amcsd 0003849
14.3434 5.7415 5.0665 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32435    .25 .534 .0079
MnA        0 .32435    .25 .457 .0079
TiA        0 .32435    .25 .007 .0079
SnA        0 .32435    .25 .001 .0079
CaA        0 .32435    .25 .001 .0079
NbB  .162060 .17992 .74297 .918 .0063
TaB  .162060 .17992 .74297 .047 .0063
TiB  .162060 .17992 .74297 .028 .0063
WB   .162060 .17992 .74297 .007 .0063
O1    .09738  .1011  .0633      .0084
O2    .08183  .3842  .5963      .0098
O3    .24378  .1246  .4138      .0080
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View JMOL 3-D Structure
 
Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n3p Qm=1 from Kragero, Norway
_database_code_amcsd 0003850
14.4003 5.7501 5.0784 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .31956    .25 .806 .0074
MnA        0 .31956    .25 .148 .0074
TiA        0 .31956    .25 .034 .0074
CaA        0 .31956    .25 .008 .0074
SnA        0 .31956    .25 .003 .0074
ScA        0 .31956    .25 .001 .0074
NbB  .162545 .17972 .73927 .901 .0056
TaB  .162545 .17972 .73927 .076 .0056
TiB  .162545 .17972 .73927 .023 .0056
O1    .09818  .0991  .0581      .0084
O2    .41740  .1164  .0969      .0092
O3    .75611  .1265  .0900      .0073
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Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.618 from S. Jose de Safira, Minas Gerais, Brazil
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003851
14.2427 5.7290 5.0856 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .33008    .25 .589 .0077
NbA        0 .33008    .25 .250 .0077
MnA        0 .33008    .25 .156 .0077
TaA        0 .33008    .25 .005 .0077
NbB  .162922 .17652 .74777 .825 .0066
FeB  .162922 .17652 .74777 .100 .0066
TaB  .162922 .17652 .74777 .048 .0066
MnB  .162922 .17652 .74777 .027 .0066
O1    .09492  .1065  .0718      .0091
O2    .42004  .1170  .0936      .0100
O3    .75627  .1218  .0823      .0082
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Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.685 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 600 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003852
14.2445 5.7265 5.0789 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32929    .25 .625 .0074
NbA        0 .32929    .25 .207 .0074
MnA        0 .32929    .25 .165 .0074
TaA        0 .32929    .25 .003 .0074
NbB  .162846 .17715 .74782 .846 .0062
FeB  .162846 .17715 .74782 .083 .0062
TaB  .162846 .17715 .74782 .049 .0062
MnB  .162846 .17715 .74782 .022 .0062
O1    .09502 .10630  .0721      .0088
O2    .41991 .11684  .0944      .0094
O3    .75624 .12194  .0828      .0080
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Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.714 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 650 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003853
14.2501 5.7263 5.0767 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32898    .25 .640 .0069
NbA        0 .32898    .25 .188 .0069
MnA        0 .32898    .25 .169 .0069
TaA        0 .32898    .25 .003 .0069
NbB  .162739 .17765 .74783 .856 .0057
FeB  .162739 .17765 .74783 .075 .0057
TaB  .162739 .17765 .74783 .049 .0057
MnB  .162739 .17765 .74783 .020 .0057
O1    .09526 .10613  .0714      .0085
O2    .41987 .11665  .0942      .0093
O3    .75626 .12201  .0822      .0078
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.745 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 650 C for t = 200 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003854
14.2582 5.7290 5.0748 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32890    .25 .657 .0068
MnA        0 .32890    .25 .173 .0068
NbA        0 .32890    .25 .168 .0068
TaA        0 .32890    .25 .002 .0068
NbB  .162585 .17803 .74783 .866 .0056
FeB  .162585 .17803 .74783 .067 .0056
TaB  .162585 .17803 .74783 .049 .0056
MnB  .162585 .17803 .74783 .018 .0056
O1    .09542 .10587  .0713      .0082
O2    .41968 .11675  .0947      .0090
O3    .75611 .12241  .0822      .0074
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.752 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 700 C for t = 5 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003855
14.2600 5.7293 5.0746 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32897    .25 .660 .0067
MnA        0 .32897    .25 .175 .0067
NbA        0 .32897    .25 .164 .0067
TaA        0 .32897    .25 .001 .0067
NbB  .162566 .17806 .74780 .868 .0056
FeB  .162566 .17806 .74780 .066 .0056
TaB  .162566 .17806 .74780 .050 .0056
MnB  .162566 .17806 .74780 .017 .0056
O1    .09540 .10591  .0712      .0082
O2    .41965 .11679  .0949      .0093
O3    .75624 .12256  .0824      .0076
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.759 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 700 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003856
14.2658 5.7299 5.0748 90 90 90 Pbcn
atom       x       y      z  occ  Uiso
FeA        0  .32883    .25 .664 .0065
MnA        0  .32883    .25 .175 .0065
NbA        0  .32883    .25 .161 .0065
NbB  .162499 .178229 .74783 .870 .0052
FeB  .162499 .178229 .74783 .063 .0052
TaB  .162499 .178229 .74783 .050 .0052
MnB  .162499 .178229 .74783 .017 .0052
O1    .09553  .10546  .0708      .0079
O2    .41954  .11696  .0949      .0088
O3    .75613  .12263  .0820      .0074
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.898 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 800 C for t = 7 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003857
14.2733 5.7317 5.0646 90 90 90 Pbcn
atom       x      y       z  occ  Uiso
FeA        0 .32901     .25 .737 .0059
MnA        0 .32901     .25 .195 .0059
NbA        0 .32901     .25 .068 .0059
NbB  .161976 .17932 .747813 .916 .0045
TaB  .161976 .17932 .747813 .050 .0045
FeB  .161976 .17932 .747813 .027 .0045
MnB  .161976 .17932 .747813 .007 .0045
O1    .09620 .10423   .0702      .0070
O2    .41902 .11657   .0966      .0081
O3    .75607 .12332   .0820      .0066
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.902 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 800 C for t = 40 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003858
14.2744 5.7321 5.0616 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
FeA        0 .32897    .25 .739 .0061
MnA        0 .32897    .25 .195 .0061
NbA        0 .32897    .25 .066 .0061
NbB  .161958 .17943 .74774 .917 .0047
TaB  .161958 .17943 .74774 .050 .0047
FeB  .161958 .17943 .74774 .026 .0047
MnB  .161958 .17943 .74774 .007 .0047
O1    .09645 .10415  .0700      .0070
O2    .41903 .11675  .0964      .0084
O3    .75604 .12375  .0821      .0066
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: BRA n18 Qm=0.988 from S. Jose de Safira, Minas Gerais, Brazil
Sample: Annealed at T = 950 C for t = 3 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003859
14.2852 5.7361 5.0574 90 90 90 Pbcn
atom       x      y       z  occ  Uiso
FeA        0 .32904     .25 .785 .0059
MnA        0 .32904     .25 .207 .0059
NbA        0 .32904     .25 .008 .0059
NbB  .161550 .18024 .747862 .945 .0041
TaB  .161550 .18024 .747862 .051 .0041
FeB  .161550 .18024 .747862 .003 .0041
MnB  .161550 .18024 .747862 .001 .0041
O1    .09692 .10376   .0692      .0059
O2    .41864 .11713   .0977      .0077
O3    .75587 .12388   .0814      .0061
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.565 from Kragero, Norway
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003860
14.325 5.744 5.113 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32419    .25 .555 .0111
NbA        0 .32419    .25 .235 .0111
FeA        0 .32419    .25 .099 .0111
TaA        0 .32419    .25 .046 .0111
TiA        0 .32419    .25 .024 .0111
CaA        0 .32419    .25 .009 .0111
NbB   .16390 .17599 .74219 .770 .0073
MnB   .16390 .17599 .74219 .117 .0073
TaB   .16390 .17599 .74219 .066 .0073
FeB   .16390 .17599 .74219 .021 .0073
TiB   .16390 .17599 .74219 .002 .0073
O1     .0958  .1035  .0645      .0132
O2     .4198  .1159  .0925      .0125
O3     .7569  .1224  .0880      .0099
Download AMC data (View Text File)
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Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.674 from Kragero, Norway
Sample: Annealed at T = 500 C for t = 15 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003861
14.344 5.739 5.105 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32241    .25 .612 .0097
FeA        0 .32241    .25 .110 .0097
NbA        0 .32241    .25 .167 .0097
TaA        0 .32241    .25 .042 .0097
TiA        0 .32241    .25 .026 .0097
CaA        0 .32241    .25 .008 .0097
NbB   .16371 .17733 .74098 .804 .0076
MnB   .16371 .17733 .74098 .087 .0076
TaB   .16371 .17733 .74098 .068 .0076
FeB   .16371 .17733 .74098 .016 .0076
TiB   .16371 .17733 .74098 .002 .0076
O1     .0959  .1041  .0632      .0140
O2     .4188  .1163  .0927      .0124
O3     .7563  .1234  .0888      .0110
Download AMC data (View Text File)
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Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.742 from Kragero, Norway
Sample: Annealed at T = 530 C for t = 92 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003862
14.334 5.737 5.096 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32200    .25 .648 .0098
NbA        0 .32200    .25 .123 .0098
FeA        0 .32200    .25 .116 .0098
TaA        0 .32200    .25 .044 .0098
TiA        0 .32200    .25 .028 .0098
CaA        0 .32200    .25 .008 .0098
NbB   .16367 .17764 .74094 .826 .0076
MnB   .16367 .17764 .74094 .069 .0076
TaB   .16367 .17764 .74094 .067 .0076
FeB   .16367 .17764 .74094 .012 .0076
TiB   .16367 .17764 .74094 .002 .0076
O1     .0962  .1037  .0627      .0135
O2     .4191  .1155  .0928      .0125
O3    .75668  .1233  .0891      .0102
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Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.817 from Kragero, Norway
Sample: Annealed at T = 600 C for t = 67 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003863
14.352 5.740 5.093 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32118    .25 .687 .0087
FeA        0 .32118    .25 .123 .0087
NbA        0 .32118    .25 .077 .0087
TaA        0 .32118    .25 .040 .0087
TiA        0 .32118    .25 .030 .0087
CaA        0 .32118    .25 .008 .0087
NbB   .16339 .17830 .74020 .849 .0066
TaB   .16339 .17830 .74020 .069 .0066
MnB   .16339 .17830 .74020 .049 .0066
FeB   .16339 .17830 .74020 .009 .0066
TiB   .16339 .17830 .74020 .001 .0066
O1    .09674  .1020  .0604      .0121
O2    .41849  .1154  .0934      .0118
O3    .75638  .1235  .0884      .0095
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View JMOL 3-D Structure
 
Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.844 from Kragero, Norway
Sample: Annealed at T = 600 C for t = 177 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003864
14.352 5.740 5.090 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32096    .25 .701 .0091
FeA        0 .32096    .25 .126 .0091
NbA        0 .32096    .25 .061 .0091
TaA        0 .32096    .25 .039 .0091
TiA        0 .32096    .25 .030 .0091
CaA        0 .32096    .25 .009 .0091
NbB   .16331 .17850 .74029 .857 .0069
TaB   .16331 .17850 .74029 .069 .0069
MnB   .16331 .17850 .74029 .042 .0069
FeB   .16331 .17850 .74029 .007 .0069
TiB   .16331 .17850 .74029 .001 .0069
O1     .0970  .1019  .0603      .0127
O2     .4187  .1151  .0942      .0120
O3     .7564  .1239  .0890      .0098
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Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.922 from Kragero, Norway
Sample: Annealed at T = 700 C for t = 20 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003865
14.380 5.745 5.088 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32071    .25 .741 .0064
FeA        0 .32071    .25 .133 .0064
TiA        0 .32071    .25 .032 .0064
NbA        0 .32071    .25 .023 .0064
TaA        0 .32071    .25 .028 .0064
CaA        0 .32071    .25 .009 .0064
NbB   .16305 .17880 .73984 .876 .0044
TaB   .16305 .17880 .73984 .075 .0044
MnB   .16305 .17880 .73984 .021 .0044
FeB   .16305 .17880 .73984 .004 .0044
O1     .0972  .1005  .0597      .0091
O2     .4181  .1155  .0957      .0094
O3     .7562  .1247  .0897      .0069
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View JMOL 3-D Structure
 
Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=0.960 from Kragero, Norway
Sample: Annealed at T = 800 C for t = 15 m
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003866
14.380 5.750 5.084 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .32024    .25 .761 .0063
FeA        0 .32024    .25 .136 .0063
TiA        0 .32024    .25 .033 .0063
TaA        0 .32024    .25 .023 .0063
CaA        0 .32024    .25 .009 .0063
NbA        0 .32024    .25 .004 .0063
NbB  .162783 .17929 .73941 .885 .0041
TaB  .162783 .17929 .73941 .078 .0041
MnB  .162783 .17929 .73941 .011 .0041
FeB  .162783 .17929 .73941 .002 .0041
O1    .09794  .0999  .0582      .0080
O2    .41751  .1158  .0961      .0087
O3    .75611  .1255  .0901      .0062
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Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M
Download am/vol90/AM90_1291.pdf
American Mineralogist 90 (2005) 1291-1300
Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
A single-crystal X-ray diffraction study
Sample: KRA n4 Qm=1 from Kragero, Norway
Sample: Annealed at T = 800 C for t = 24 h
Note: Occupancies calculated assuming complete Fe/Mn disorder
_database_code_amcsd 0003867
14.395 5.753 5.083 90 90 90 Pbcn
atom       x      y      z  occ  Uiso
MnA        0 .31996    .25 .782 .0049
FeA        0 .31996    .25 .140 .0049
TiA        0 .31996    .25 .034 .0049
CaA        0 .31996    .25 .010 .0049
NbB  .162594 .17958 .73910 .889 .0041
TaB  .162594 .17958 .73910 .089 .0041
O1    .09828  .0992  .0575      .0072
O2    .41726  .1154  .0964      .0082
O3    .75608  .1253  .0896      .0058
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View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample BRA3 at T = 20 C
Locality: San Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0008836
14.2880 5.7364 5.0562 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe2+A     0 .3289   .25  .747 .0069  .0061  .0071  .0075      0 -.0002      0
Mn2+A     0 .3289   .25  .215 .0069  .0061  .0071  .0075      0 -.0002      0
Ti4+A     0 .3289   .25  .027 .0069  .0061  .0071  .0075      0 -.0002      0
Nb5+B .1617 .1802 .7479  .947 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Ta5+B .1617 .1802 .7479  .047 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
W6+B  .1617 .1802 .7479 .0015 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Sc3+B .1617 .1802 .7479 .0015 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Ca2+B .1617 .1802 .7479 .0005 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Sn4+B .1617 .1802 .7479 .0005 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
O1    .0971 .1034 .0692       .0075  .0081  .0057  .0088  .0012 -.0003  .0012
O2    .0815 .3827 .5975       .0092  .0085  .0077  .0114  .0013 -.0003 -.0002
O3    .2443 .1238 .4186       .0079  .0084  .0072  .0081 -.0014 -.0003 -.0009
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View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample BRA3 at T = 300 C
Locality: San Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0008837
14.3191 5.7482 5.0713 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe2+A     0 .3283   .25  .747 .0213  .0195  .0160  .0284      0 -.0005      0
Mn2+A     0 .3283   .25  .215 .0213  .0195  .0160  .0284      0 -.0005      0
Ti4+A     0 .3283   .25  .027 .0213  .0195  .0160  .0284      0 -.0005      0
Nb5+B .1617 .1797 .7456  .947 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Ta5+B .1617 .1797 .7456  .047 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
W6+B  .1617 .1797 .7456 .0015 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Sc3+B .1617 .1797 .7456 .0015 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Ca2+B .1617 .1797 .7456 .0005 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Sn4+B .1617 .1797 .7456 .0005 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
O1    .0968 .1029 .0675       .0217  .0213  .0194  .0243 -.0031  .0003  .0028
O2    .0819 .3828 .5972       .0226  .0239  .0212  .0228  .0004  .0008 -.0006
O3    .2444 .1248 .4163       .0217  .0242  .0171  .0238 -.0014  .0017  .0018
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Ferrocolumbite
Download hom/ferrocolumbite.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample BRA3 at T = 600 C
Locality: San Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0008838
14.3515 5.7610 5.0833 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe2+A     0 .3272   .25  .747 .0299  .0257  .0270  .0369      0  .0004      0
Mn2+A     0 .3272   .25  .215 .0299  .0257  .0270  .0369      0  .0004      0
Ti4+A     0 .3272   .25  .027 .0299  .0257  .0270  .0369      0  .0004      0
Nb5+B .1617 .1799 .7440  .947 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Ta5+B .1617 .1799 .7440  .047 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
W6+B  .1617 .1799 .7440 .0015 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Sc3+B .1617 .1799 .7440 .0015 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Ca2+B .1617 .1799 .7440 .0005 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Sn4+B .1617 .1799 .7440 .0005 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
O1    .0970 .1029 .0631       .0251  .0241  .0191  .0321  .0033  .0019  .0016
O2    .0816 .3819 .5941       .0314  .0287  .0285  .0371  .0056 -.0043 -.0006
O3    .2442 .1250 .4167       .0267  .0231  .0233  .0336 -.0027  .0015  .0021
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View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample KRA5 at T = 20 C
Locality: Kragero, Norway
_database_code_amcsd 0008839
14.3860 5.7478 5.0797 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn2+A     0 .3197   .25  .792 .0069  .0063  .0082  .0061      0  .0003      0
Fe2+A     0 .3197   .25  .138 .0069  .0063  .0082  .0061      0  .0003      0
Ti4+A     0 .3197   .25  .077 .0069  .0063  .0082  .0061      0  .0003      0
Nb5+B .1626 .1796 .7391  .897 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Ta5+B .1626 .1796 .7391  .083 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Ca2+B .1626 .1796 .7391 .0045 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Sn4+B .1626 .1796 .7391 .0015 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Sc3+B .1626 .1796 .7391  .001 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
W6+B  .1626 .1796 .7391 .0005 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
O1    .0984 .0985 .0576       .0088  .0104  .0073  .0088  .0011  .0015  .0019
O2    .0827 .3836 .5969       .0101  .0111  .0089  .0103  .0014  .0011 -.0004
O3    .2437 .1259 .4100       .0080  .0092  .0059  .0091 -.0003  .0016 -.0014
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View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample KRA5 at T = 300 C
Locality: Kragero, Norway
_database_code_amcsd 0008840
14.4159 5.7593 5.0905 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn2+A     0 .3188   .25  .792 .0158  .0134  .0178  .0160      0  .0012      0
Fe2+A     0 .3188   .25  .138 .0158  .0134  .0178  .0160      0  .0012      0
Ti4+A     0 .3188   .25  .077 .0158  .0134  .0178  .0160      0  .0012      0
Nb5+B .1627 .1792 .7375  .897 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Ta5+B .1627 .1792 .7375  .083 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Ca2+B .1627 .1792 .7375 .0045 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Sn4+B .1627 .1792 .7375 .0015 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Sc3+B .1627 .1792 .7375  .001 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
W6+B  .1627 .1792 .7375 .0005 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
O1    .0984 .0990 .0555       .0180  .0167  .0189  .0183 -.0007 -.0007  .0013
O2    .0829 .3829 .5967       .0205  .0245  .0203  .0168  .0062      0  .0053
O3    .2449 .1263 .4090       .0173  .0201  .0168  .0151  .0002  .0004  .0053
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Manganocolumbite
Download hom/manganocolumbite.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample KRA5 at T = 600 C
Sample: Kragero, Norway
_database_code_amcsd 0008841
14.4508 5.7741 5.1025 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn2+A     0 .3171   .25  .792 .0235  .0210  .0260  .0236      0  .0011      0
Fe2+A     0 .3171   .25  .138 .0235  .0210  .0260  .0236      0  .0011      0
Ti4+A     0 .3171   .25  .077 .0235  .0210  .0260  .0236      0  .0011      0
Nb5+B .1628 .1794 .7363  .897 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Ta5+B .1628 .1794 .7363  .083 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Ca2+B .1628 .1794 .7363 .0045 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Sn4+B .1628 .1794 .7363 .0015 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Sc3+B .1628 .1794 .7363  .001 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
W6+B  .1628 .1794 .7363 .0005 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
O1    .0981 .0994 .0536       .0242  .0263  .0211  .0253  .0006  .0030  .0029
O2    .0829 .3838 .5969       .0271  .0351  .0198  .0264  .0043 -.0033 -.0028
O3    .2446 .1252 .4077       .0252  .0273  .0249  .0233 -.0019  .0016 -.0016
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample BRA3 at T = 20 C
Locality: San Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0008842
14.2880 5.7364 5.0562 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe2+A     0 .3289   .25  .747 .0069  .0061  .0071  .0075      0 -.0002      0
Mn2+A     0 .3289   .25  .215 .0069  .0061  .0071  .0075      0 -.0002      0
Ti4+A     0 .3289   .25  .027 .0069  .0061  .0071  .0075      0 -.0002      0
Nb5+B .1617 .1802 .7479  .947 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Ta5+B .1617 .1802 .7479  .047 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
W6+B  .1617 .1802 .7479 .0015 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Sc3+B .1617 .1802 .7479 .0015 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Ca2+B .1617 .1802 .7479 .0005 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
Sn4+B .1617 .1802 .7479 .0005 .0055  .0049  .0052  .0063  .0003 -.0003 -.0001
O1    .0971 .1034 .0692       .0075  .0081  .0057  .0088  .0012 -.0003  .0012
O2    .0815 .3827 .5975       .0092  .0085  .0077  .0114  .0013 -.0003 -.0002
O3    .2443 .1238 .4186       .0079  .0084  .0072  .0081 -.0014 -.0003 -.0009
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample BRA3 at T = 300 C
Locality: San Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0008843
14.3191 5.7482 5.0713 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe2+A     0 .3283   .25  .747 .0213  .0195  .0160  .0284      0 -.0005      0
Mn2+A     0 .3283   .25  .215 .0213  .0195  .0160  .0284      0 -.0005      0
Ti4+A     0 .3283   .25  .027 .0213  .0195  .0160  .0284      0 -.0005      0
Nb5+B .1617 .1797 .7456  .947 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Ta5+B .1617 .1797 .7456  .047 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
W6+B  .1617 .1797 .7456 .0015 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Sc3+B .1617 .1797 .7456 .0015 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Ca2+B .1617 .1797 .7456 .0005 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
Sn4+B .1617 .1797 .7456 .0005 .0170  .0169  .0125  .0216 -.0001 -.0002 -.0001
O1    .0968 .1029 .0675       .0217  .0213  .0194  .0243 -.0031  .0003  .0028
O2    .0819 .3828 .5972       .0226  .0239  .0212  .0228  .0004  .0008 -.0006
O3    .2444 .1248 .4163       .0217  .0242  .0171  .0238 -.0014  .0017  .0018
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View JMOL 3-D Structure
 
Columbite-(Fe)
Download hom/columbitefe.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample BRA3 at T = 600 C
Locality: San Jose de Safira, Minas Gerais, Brazil
_database_code_amcsd 0008844
14.3515 5.7610 5.0833 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe2+A     0 .3272   .25  .747 .0299  .0257  .0270  .0369      0  .0004      0
Mn2+A     0 .3272   .25  .215 .0299  .0257  .0270  .0369      0  .0004      0
Ti4+A     0 .3272   .25  .027 .0299  .0257  .0270  .0369      0  .0004      0
Nb5+B .1617 .1799 .7440  .947 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Ta5+B .1617 .1799 .7440  .047 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
W6+B  .1617 .1799 .7440 .0015 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Sc3+B .1617 .1799 .7440 .0015 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Ca2+B .1617 .1799 .7440 .0005 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
Sn4+B .1617 .1799 .7440 .0005 .0225  .0202  .0183  .0290  .0002 -.0006 -.0002
O1    .0970 .1029 .0631       .0251  .0241  .0191  .0321  .0033  .0019  .0016
O2    .0816 .3819 .5941       .0314  .0287  .0285  .0371  .0056 -.0043 -.0006
O3    .2442 .1250 .4167       .0267  .0231  .0233  .0336 -.0027  .0015  .0021
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Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample KRA5 at T = 20 C
Locality: Kragero, Norway
_database_code_amcsd 0008845
14.3860 5.7478 5.0797 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn2+A     0 .3197   .25  .792 .0069  .0063  .0082  .0061      0  .0003      0
Fe2+A     0 .3197   .25  .138 .0069  .0063  .0082  .0061      0  .0003      0
Ti4+A     0 .3197   .25  .077 .0069  .0063  .0082  .0061      0  .0003      0
Nb5+B .1626 .1796 .7391  .897 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Ta5+B .1626 .1796 .7391  .083 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Ca2+B .1626 .1796 .7391 .0045 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Sn4+B .1626 .1796 .7391 .0015 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
Sc3+B .1626 .1796 .7391  .001 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
W6+B  .1626 .1796 .7391 .0005 .0072  .0082  .0062  .0071  .0002  .0005 -.0001
O1    .0984 .0985 .0576       .0088  .0104  .0073  .0088  .0011  .0015  .0019
O2    .0827 .3836 .5969       .0101  .0111  .0089  .0103  .0014  .0011 -.0004
O3    .2437 .1259 .4100       .0080  .0092  .0059  .0091 -.0003  .0016 -.0014
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Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample KRA5 at T = 300 C
Locality: Kragero, Norway
_database_code_amcsd 0008846
14.4159 5.7593 5.0905 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn2+A     0 .3188   .25  .792 .0158  .0134  .0178  .0160      0  .0012      0
Fe2+A     0 .3188   .25  .138 .0158  .0134  .0178  .0160      0  .0012      0
Ti4+A     0 .3188   .25  .077 .0158  .0134  .0178  .0160      0  .0012      0
Nb5+B .1627 .1792 .7375  .897 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Ta5+B .1627 .1792 .7375  .083 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Ca2+B .1627 .1792 .7375 .0045 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Sn4+B .1627 .1792 .7375 .0015 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
Sc3+B .1627 .1792 .7375  .001 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
W6+B  .1627 .1792 .7375 .0005 .0124  .0116  .0129  .0126  .0006 -.0008 -.0002
O1    .0984 .0990 .0555       .0180  .0167  .0189  .0183 -.0007 -.0007  .0013
O2    .0829 .3829 .5967       .0205  .0245  .0203  .0168  .0062      0  .0053
O3    .2449 .1263 .4090       .0173  .0201  .0168  .0151  .0002  .0004  .0053
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Columbite-(Mn)
Download hom/columbitemn.pdf
Tarantino S C, Zema M, Pistorino M, Domeneghetti M C
 
Physics and Chemistry of Minerals 30 (2003) 590-598
High-temperature X-ray investigation of natural columbites
Note: sample KRA5 at T = 600 C
Sample: Kragero, Norway
_database_code_amcsd 0008847
14.4508 5.7741 5.1025 90 90 90 Pbcn
atom      x     y     z   occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn2+A     0 .3171   .25  .792 .0235  .0210  .0260  .0236      0  .0011      0
Fe2+A     0 .3171   .25  .138 .0235  .0210  .0260  .0236      0  .0011      0
Ti4+A     0 .3171   .25  .077 .0235  .0210  .0260  .0236      0  .0011      0
Nb5+B .1628 .1794 .7363  .897 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Ta5+B .1628 .1794 .7363  .083 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Ca2+B .1628 .1794 .7363 .0045 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Sn4+B .1628 .1794 .7363 .0015 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
Sc3+B .1628 .1794 .7363  .001 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
W6+B  .1628 .1794 .7363 .0005 .0176  .0172  .0180  .0177  .0001 -.0008 -.0003
O1    .0981 .0994 .0536       .0242  .0263  .0211  .0253  .0006  .0030  .0029
O2    .0829 .3838 .5969       .0271  .0351  .0198  .0264  .0043 -.0033 -.0028
O3    .2446 .1252 .4077       .0252  .0273  .0249  .0233 -.0019  .0016 -.0016
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim1_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018700
4.7533 4.7533 9.2876 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .436
Ta(A)     0     0      0 .564
Fe(B)     0     0 .33295 .282
Ta(B)     0     0 .33295 .653
Nb(B)     0     0 .33295 .065
O1    .3030 .3030      0
O2    .3015 .3015  .3320
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim5_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018701
4.7533 4.7533 9.2773 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .524
Ta(A)     0     0      0 .476
Fe(B)     0     0 .33257 .238
Ta(B)     0     0 .33257 .697
Nb(B)     0     0 .33257 .065
O1    .3041 .3041      0
O2    .2985 .2985  .3304
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim5_q1, treated at 750 C for 30 min
Locality: Kimito, Finland
_database_code_amcsd 0018702
4.7554 4.7554 9.2281 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .735
Ta(A)     0     0      0 .265
Fe(B)     0     0 .33177 .132
Ta(B)     0     0 .33177 .803
Nb(B)     0     0 .33177 .065
O1    .3080 .3080      0
O2    .2951 .2951  .3253
Download AMC data (View Text File)
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim9_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018703
4.7531 4.7531 9.2873 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .435
Ta(A)     0     0      0 .565
Fe(B)     0     0 .33300 .283
Ta(B)     0     0 .33300 .652
Nb(B)     0     0 .33300 .065
O1    .3012 .3012      0
O2    .3009 .3009  .3312
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim9_q1, treated at 700 C for 210 min
Locality: Kimito, Finland
_database_code_amcsd 0018704
4.7475 4.7475 9.2690 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .477
Ta(A)     0     0      0 .523
Fe(B)     0     0 .33275 .261
Ta(B)     0     0 .33275 .674
Nb(B)     0     0 .33275 .065
O1    .3029 .3029      0
O2    .2991 .2991  .3313
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim9_q2, treated at 750 C for 120 min
Locality: Kimito, Finland
_database_code_amcsd 0018705
4.7497 4.7497 9.2530 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .521
Ta(A)     0     0      0 .479
Fe(B)     0     0 .33249 .239
Ta(B)     0     0 .33249 .696
Nb(B)     0     0 .33249 .065
O1    .3033 .3033      0
O2    .2988 .2988  .3297
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim9_q3, treated at 750 C for 180 min
Locality: Kimito, Finland
_database_code_amcsd 0018706
4.7504 4.7504 9.2549 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .552
Ta(A)     0     0      0 .448
Fe(B)     0     0 .33237 .224
Ta(B)     0     0 .33237 .711
Nb(B)     0     0 .33237 .065
O1    .3042 .3042      0
O2    .2989 .2989  .3281
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim14_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018707
4.7551 4.7551 9.2810 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .514
Ta(A)     0     0      0 .486
Fe(B)     0     0 .33264 .243
Ta(B)     0     0 .33264 .692
Nb(B)     0     0 .33264 .065
O1    .3033 .3033      0
O2    .3002 .3002  .3301
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim14_q1, treated at 600 C for 20 min
Locality: Kimito, Finland
_database_code_amcsd 0018708
4.7526 4.7526 9.2501 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .692
Ta(A)     0     0      0 .308
Fe(B)     0     0 .33196 .154
Ta(B)     0     0 .33196 .781
Nb(B)     0     0 .33196 .065
O1    .3062 .3062      0
O2    .2969 .2969  .3271
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim19_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018709
4.7561 4.7561 9.2748 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .568
Ta(A)     0     0      0 .432
Fe(B)     0     0 .33254 .216
Ta(B)     0     0 .33254 .719
Nb(B)     0     0 .33254 .065
O1    .3057 .3057      0
O2    .3011 .3011  .3292
Download AMC data (View Text File)
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim19_q1, treated at 750 C for 40 min
Locality: Kimito, Finland
_database_code_amcsd 0018710
4.7516 4.7516 9.2258 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .745
Ta(A)     0     0      0 .255
Fe(B)     0     0 .33192 .127
Ta(B)     0     0 .33192 .808
Nb(B)     0     0 .33192 .065
O1    .3062 .3062      0
O2    .2969 .2969  .3259
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim19_q2, treated at 750 C for 80 min
Locality: Kimito, Finland
_database_code_amcsd 0018711
4.7531 4.7531 9.2219 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .781
Ta(A)     0     0      0 .219
Fe(B)     0     0 .33164 .110
Ta(B)     0     0 .33164 .826
Nb(B)     0     0 .33164 .065
O1    .3073 .3073      0
O2    .2953 .2953  .3235
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim20_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018712
4.7561 4.7561 9.2880 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .482
Ta(A)     0     0      0 .518
Fe(B)     0     0 .33282 .259
Ta(B)     0     0 .33282 .676
Nb(B)     0     0 .33282 .065
O1    .3029 .3029      0
O2    .3007 .3007  .3307
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim20_q1, treated at 600 C for 5 min
Locality: Kimito, Finland
_database_code_amcsd 0018713
4.7547 4.7547 9.2893 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .479
Ta(A)     0     0      0 .521
Fe(B)     0     0 .33285 .260
Ta(B)     0     0 .33285 .675
Nb(B)     0     0 .33285 .065
O1    .3011 .3011      0
O2    .2995 .2995  .3299
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim20_q2, treated at 600 C for 20 min
Locality: Kimito, Finland
_database_code_amcsd 0018714
4.7516 4.7516 9.2856 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .491
Ta(A)     0     0      0 .509
Fe(B)     0     0 .33272 .255
Ta(B)     0     0 .33272 .681
Nb(B)     0     0 .33272 .065
O1    .3010 .3010      0
O2    .2990 .2990  .3301
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim20_q3, treated at 600 C for 50 min
Locality: Kimito, Finland
_database_code_amcsd 0018715
4.7509 4.7509 9.2811 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .483
Ta(A)     0     0      0 .517
Fe(B)     0     0 .33272 .259
Ta(B)     0     0 .33272 .676
Nb(B)     0     0 .33272 .065
O1    .3006 .3006      0
O2    .2996 .2996  .3305
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Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim20_q4, treated at 600 C for 200 min
Locality: Kimito, Finland
_database_code_amcsd 0018716
4.7509 4.7509 9.2812 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .500
Ta(A)     0     0      0 .500
Fe(B)     0     0 .33267 .250
Ta(B)     0     0 .33267 .685
Nb(B)     0     0 .33267 .065
O1    .3026 .3026      0
O2    .2984 .2984  .3302
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim20_q5, treated at 600 C for 650 min
Locality: Kimito, Finland
_database_code_amcsd 0018717
4.7506 4.7506 9.2811 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .499
Ta(A)     0     0      0 .501
Fe(B)     0     0 .33266 .250
Ta(B)     0     0 .33266 .685
Nb(B)     0     0 .33266 .065
O1    .3034 .3034      0
O2    .2988 .2988  .3298
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim20_q6, treated at 650 C for 15 min
Locality: Kimito, Finland
_database_code_amcsd 0018718
4.7507 4.7507 9.2794 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .502
Ta(A)     0     0      0 .498
Fe(B)     0     0 .33266 .249
Ta(B)     0     0 .33266 .686
Nb(B)     0     0 .33266 .065
O1    .3014 .3014      0
O2    .2995 .2995  .3306
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View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim23_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018719
4.7551 4.7551 9.2818 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .530
Ta(A)     0     0      0 .470
Fe(B)     0     0 .33261 .235
Ta(B)     0     0 .33261 .700
Nb(B)     0     0 .33261 .065
O1    .3015 .3015      0
O2    .2993 .2993  .3281
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Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim23_q1, treated at 750 C for 130 min
Locality: Kimito, Finland
_database_code_amcsd 0018720
4.7538 4.7538 9.2193 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .782
Ta(A)     0     0      0 .218
Fe(B)     0     0 .33166 .109
Ta(B)     0     0 .33166 .826
Nb(B)     0     0 .33166 .065
O1    .3078 .3078      0
O2    .2949 .2949  .3240
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim23_q2, treated at 750 C for 190 min
Locality: Kimito, Finland
_database_code_amcsd 0018721
4.7571 4.7571 9.2189 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .813
Ta(A)     0     0      0 .187
Fe(B)     0     0 .33151 .094
Ta(B)     0     0 .33151 .841
Nb(B)     0     0 .33151 .065
O1    .3116 .3116      0
O2    .2938 .2938  .3238
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim24_q0, untreated
Locality: Kimito, Finland
_database_code_amcsd 0018722
4.7562 4.7562 9.2910 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .458
Ta(A)     0     0      0 .542
Fe(B)     0     0 .33288 .271
Ta(B)     0     0 .33288 .664
Nb(B)     0     0 .33288 .065
O1    .3043 .3043      0
O2    .3017 .3017  .3312
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim24_q1, treated at 700 C for 30 min
Locality: Kimito, Finland
_database_code_amcsd 0018723
4.7499 4.7499 9.2716 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .508
Ta(A)     0     0      0 .492
Fe(B)     0     0 .33262 .246
Ta(B)     0     0 .33262 .689
Nb(B)     0     0 .33262 .065
O1    .3043 .3043      0
O2    .2991 .2991  .3304
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim24_q2, treated at 700 C for 120 min
Locality: Kimito, Finland
_database_code_amcsd 0018724
4.7511 4.7511 9.2648 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .538
Ta(A)     0     0      0 .462
Fe(B)     0     0 .33248 .231
Ta(B)     0     0 .33248 .704
Nb(B)     0     0 .33248 .065
O1    .3039 .3039      0
O2    .2983 .2983  .3295
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
Tapiolite-(Fe)
Download hom/tapiolitefe.pdf
Zema M, Tarantino S C, Giorgiani A
 
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim24_q3, treated at 700 C for 450 min
Locality: Kimito, Finland
_database_code_amcsd 0018725
4.7561 4.7561 9.2030 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .985
Ta(A)     0     0      0 .015
Fe(B)     0     0 .33116 .007
Ta(B)     0     0 .33116 .928
Nb(B)     0     0 .33116 .065
O1    .3118 .3118      0
O2    .2943 .2943  .3219
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
 
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Total number of retrieved datasets: 80
View in amc, download in amc


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