American Mineralogist Crystal Structure Database

3 matching records for this search.

Nchwaningite
 
Nyfeler D, Armbruster T, Dixon R, Bermanec V
Download am/vol80/AM80_377.pdf
American Mineralogist 80 (1995) 377-386
Nchwaningite, Mn2SiO3(OH)2.H2O, a new pyroxene-related chain silicate from the
N'chwaning mine, Kalahari manganese field, South Africa
Locality: N'chwaning mine, South Africa
_database_code_amcsd 0001731
12.672 7.217 5.341 90 90 90 Pca2_1
atom      x      y      z  occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mn1  .18811 .82325      0 .925       .0111  .0113   .077  .0002  .0003  .0010
Mg1  .18811 .82325      0 .053       .0111  .0113   .077  .0002  .0003  .0010
Al1  .18811 .82325      0 .006       .0111  .0113   .077  .0002  .0003  .0010
Fe1  .18811 .82325      0 .004       .0111  .0113   .077  .0002  .0003  .0010
Ca1  .18811 .82325      0 .004       .0111  .0113   .077  .0002  .0003  .0010
Mn2  .95789 .16870 -.0220 .925       .0108  .0118  .0084  .0014 -.0005 -.0001
Mg2  .95789 .16870 -.0220 .053       .0108  .0118  .0084  .0014 -.0005 -.0001
Al2  .95789 .16870 -.0220 .006       .0108  .0118  .0084  .0014 -.0005 -.0001
Fe2  .95789 .16870 -.0220 .004       .0108  .0118  .0084  .0014 -.0005 -.0001
Ca2  .95789 .16870 -.0220 .004       .0108  .0118  .0084  .0014 -.0005 -.0001
Si   .81410 -.2139  .1877            .0089  .0078  .0078  .0003  .0001 -.0002
O1    .8171  .0097  .1733            .0131  .0079  .0090  .0005 -.0004 -.0004
Oh2   .9258 -.0159 -.3282            .0117  .0119  .0123  .0003 -.0006  .0011
Oh3   .6787  .3178  .3443            .0159   .008  .0127 -.0019  .0006 -.0005
Oh4   .9459  .3418  .3336            .0171  .0130   .013  .0006 -.0036 -.0008
O5    .9273 -.3084  .2310            .0104  .0116  .0132  .0013 -.0009  .0003
O6    .7677 -.2847 -.0889            .0153  .0106  .0080  .0013 -.0021 -.0016
H2     .881  -.109    .75       .02
H3     .681   .452   .355       .02
H4     .936   .472   .296       .02
H41    .996   .338    .47       .02
Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink)
 
Tweddillite
 
Armbruster T, Gnos E, Dixon R, Gutzmer J, Hejny C, Dobelin N, Medenbach O
Download mm/vol66/MM66_137.pdf
Mineralogical Magazine 66 (2002) 137-150
Manganvesuvianite and tweddillite, two new Mn3+-silicate minerals
from the Kalahari manganese fields, South Africa
Locality: Kalahari manganese fields, South Africa
_database_code_amcsd 0014561
8.934 5.718 10.325 90 114.54 90 P2_1/m
atom       x     y      z occ Biso
CaA1   .7646   .75  .1575      .92
SrA2   .5941   .75 .42163     1.03
AlM1       0     0      0 .43  .64
Mn3+M1     0     0      0 .48  .64
Fe3+M1     0     0      0 .09  .64
AlM2       0     0     .5      .66
Mn3+M3 .2954   .25  .2181 5/6  .90
Fe3+M3 .2954   .25  .2181 1/6  .90
Si1    .3417   .75  .0411      .95
Si2    .6877   .25  .2787      .85
Si3    .1803   .75  .3150      .86
O1     .2389 .9915  .0386     1.42
O2     .2984 .9786  .3480     1.14
O3     .7967 .0160  .3433     1.17
O4     .0600   .25  .1312       .9
O5     .0369   .75  .1479      1.0
O6     .0661   .75  .4061      1.0
O7     .5174   .75  .1691      1.4
O8     .5277   .25  .3110      1.0
O9     .6323   .25  .1063      1.8
O10    .0815   .25  .4293       .9
H10      .06   .25   .339     3.95
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
 
Manganvesuvianite
 
Armbruster T, Gnos E, Dixon R, Gutzmer J, Hejny C, Dobelin N, Medenbach O
Download mm/vol66/MM66_137.pdf
Mineralogical Magazine 66 (2002) 137-150
Manganvesuvianite and tweddillite, two new Mn3+-silicate minerals
from the Kalahari manganese fields, South Africa
Locality: Kalahari manganese fields, South Africa
_database_code_amcsd 0014562
15.575 15.575 11.824 90 90 90 *P4/n
.25 -.25 0
atom        x       y       z  occ Biso
CaX1     -.25     .25   .2504       .81
CaX2A  .18951 -.04395  .62112       .84
CaX2B -.04570  .18816 -.12041       .81
CaX3A  .09891  .17897  .11669      1.35
CaX3B -.39895 -.18214 -.39052      1.27
MnY2A       0       0       0  .10  .69
AlY2A       0       0       0  .90  .69
MnY2B     -.5       0      .5  .05  .69
AlY2B     -.5       0      .5  .95  .69
MnY3A -.11226  .11962  .12497  .19  .73
AlY3A -.11226  .11962  .12497  .81  .73
MnY3B -.38839  .12156  .37384  .16  .74
AlY3B -.38839  .12156  .37384  .84  .74
CaX4B     .25     .25  -.1469 .324  1.1
MnY1B     .25     .25   .5428 .324  .92
CaX4A     .25     .25   .6475 .676  .95
MnY1A     .25     .25  -.0454 .676  .81
SiZ1A    -.25     .25       0      .734
SiZ1B    -.25     .25      .5      .734
SiZ2A -.04035  .31890   .1292      .734
SiZ2B -.04115  .18017   .3719      .734
SiZ3A  .08686  .34911  -.1352      .734
SiZ3B  .08199  .15100   .6357      .734
O1A    -.2212   .1725   .0858       .86
O1B    -.2808   .1724   .4148       .84
O2A    -.1174   .3385   .2212       .98
O2B    -.1177   .1588   .2803       .90
O3A    -.0470   .2219   .0751       .94
O3B    -.0478   .2767   .4253       .80
O4A    -.0614   .3934   .0321      1.01
O4B    -.0620   .1059   .4711       .88
O5A    -.0104   .3272  -.1771      1.16
O5B    -.0150   .1701   .6797      1.08
O6A     .1256   .2728  -.0572      1.37
O6B     .1181   .2285   .5598      1.34
O7A     .0561   .3262   .1805      1.24
O7B     .0554   .1722   .3232      1.06
O8A     .0928   .4386  -.0660       .84
O8B     .0909   .0610   .5678       .95
O9      .1479   .3562  -.2496      1.09
O10A      .25     .25   .1344      1.34
O10B     -.25    -.25  -.3648      1.27
OH11A  -.0048   .0600   .1367       .95
OH11B  -.4960   .0626   .3645      1.02
Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
 
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Total number of retrieved datasets: 3
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