American Mineralogist Crystal Structure Database

7 matching records for this search.

Quintinite
 
Arakcheeva A V, Pushcharovsky D Y, Rastsvetaeva R K, Atencio D, Lubman G U
 
Crystallography Reports 41 (1996) 972-981
Crystal structure and comparative crystal chemistry of Al2Mg4(OH)12(CO3)*3H2O,
a new mineral from the hydrotalcite-manasseite group
Note polytype 2H
Locality: synthetic
_database_code_amcsd 0012351
5.283 5.283 15.150 90 90 120 P-62m
atom    x    y    z occ Biso
Mg    1/3  2/3 .243      1.8
Al      0    0 .259      2.6
O1      0 .651 .325      2.9
C       0    0 .021  .5  6.3
O2   .318    0 .190      2.7
O3   .244    0    0      4.3
Wat  .598    0   .5      6.5
H1    .35  .35 .398      3.0
H2      0  .36 .125      3.0
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Raite
Download hom/raite.pdf
Pushcharovsky D Y, Pekov I V, Pluth J J, Smith J V, Ferraris G, Vinogradova S A,
Arakcheeva A V, Soboleva S V, Semenov E I
 
Crystallography Reports 44 (1999) 565-574
Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif:
Crystal structures and mineralogical geochemistry
Locality: Yubileinaya pegmatite, Karnasurt Mountain, Lovozero Massif,
Kola Peninsula, Russia
_database_code_amcsd 0012360
15.1 17.60 5.290 90 100.5 90 C2/m
atom      x      y     z  occ Uiso
Na1      .5  .2997     0      .019
Na2      .5      0     0      .040
Mn1       0      0     0      .013
Mn2      .5 .40289    .5      .017
Ti       .5   .204    .5 .125 .025
Si1   .3121 .41406 .0569      .010
Si2   .3052 .32828 .5497      .011
O1    .4198  .4133  .118      .016
O2    .0882  .1816  .408      .021
O3      .25    .25    .5      .028
OH4   .0678      0  .361      .020
O5    .2718     .5  .006      .012
O6    .2295  .1328  .204      .013
O7    .2686  .3802  .294      .014
Wat8  .4018      0  .304      .042
Wat9  .0720  .3992  .271      .054
Wat10 .4176  .2096  .201      .062
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Manganonordite-(Ce)
 
Pushcharovsky D Y, Pekov I V, Pluth J J, Smith J, Ferraris G, Vinogradova S A,
Arakcheeva A V, Soboleva S V, Semenov E I
 
Crystallography Reports 44 (1999) 565-574
Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif:
Crystal structures and mineralogical geochemistry
Locality: Lovozero Massif
_database_code_amcsd 0012361
14.44 5.187 19.82 90 90 90 Pcca
atom      x     y      z  occ Biso
Na1       0     0      0 .983  .82
Ca1       0     0      0 .017  .82
Na2   .0697 .0093  .1714 .983 1.10
Ca2   .0697 .0093  .1714 .017 1.10
Sr      .25     0 .02227 .981 .173
Ba      .25     0 .02227 .019 .173
Ce      .25     0 .31981  .52 .098
La      .25     0 .31981  .43 .098
Nd      .25     0 .31981  .05 .098
Mn      .25    .5 .17012  .42  .18
Zn      .25    .5 .17012  .24  .18
Mg      .25    .5 .17012   .1  .18
Fe      .25    .5 .17012  .23  .18
Si1  .09814 .4616 .06430       .02
Si2  .10170 .5424 .27472       .01
Si3  .11141 .5459 .91870       .01
O1    .9948 .3374  .0819       .18
O2    .1703 .2990  .1085       .30
O3    .1179 .3567 -.0147       .17
O4    .1026 .7653  .0675       .40
O5        0 .6441    .25       .40
O6    .1758 .7154  .2340       .24
O7    .1170 .6503  .3533       .24
O8    .1151 .2404  .2720       .48
O9    .1853 .2299  .4181       .37
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Ferronordite-(Ce)
 
Pushcharovsky D Y, Pekov I V, Pluth J J, Smith J, Ferraris G, Vinogradova S A,
Arakcheeva A V, Soboleva S V, Semenov E I
 
Crystallography Reports 44 (1999) 565-574
Raite, manganonordite-(Ce), and ferronordite-(Ce) from the Lovozero massif:
Crystal structures and mineralogical geochemistry
Locality: Lovozero Massif
_database_code_amcsd 0012362
14.46 5.194 19.8740 90 90 90 Pcca
atom     x     y      z  occ Biso
Na1      0     0      0 .967 1.40
Ca1      0     0      0 .033 1.40
Na2  .0705 .0079  .1712 .967 1.55
Ca2  .0705 .0079  .1712 .033 1.55
Sr     .25     0  .0226  .98  .87
Ba     .25     0  .0226  .02  .87
Ce     .25     0  .3199  .51  .57
La     .25     0  .3199  .42  .57
Nd     .25     0  .3199  .04  .57
Pr     .25     0  .3199  .03  .57
Fe     .25    .5  .1700  .42  .68
Mn     .25    .5  .1700  .26  .68
Zn     .25    .5  .1700  .22  .68
Mg     .25    .5  .1700   .1  .68
Si1  .0983 .4623  .0643       .48
Si2  .1017 .5412  .2749       .48
Si3  .1116 .5456 -.0813       .48
O1   .9958 .3361  .0822       .74
O2   .1705 .2995  .1086       .91
O3   .1179 .3565 -.0147       .78
O4   .1024 .7672  .0674       .92
O5       0  .642    .25       .71
O6   .1768 .7139  .2338       .83
O7   .1171 .6500  .3534       .72
O8   .1157 .2395  .2720      1.07
O9   .1854 .2275  .4180       .95
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Lemmleinite-K
 
Rastsvetaeva R K, Arakcheeva A V, Khomyakov A P
 
Doklady Chemistry 351 (1996) 294-297
Crystal structure and microtwinning of a new monoclinic analog of
nenadkevichite
Locality: Khibiny alkaline massif, Kola Peninsula, Russia
_database_code_amcsd 0012501
14.39 13.900 7.825 90 117.6 90 C2/m
atom     x     y     z occ Biso
Na   .4083 .2647  .000 .43  3.3
K1   .0842     0 .3365 .95  2.6
K2   .4159     0 .7012 .80  3.3
TiM1     0 .2244    .5  .7 1.47
NbM1     0 .2244    .5  .3 1.47
TiM2   .25   .25    .5  .7 1.51
NbM2   .25   .25    .5  .3 1.51
Si1  .2086 .1096 .8015      .81
Si2  .3232 .1101 .2525      .85
O1   .2391 .1244  .027      1.4
O2   .2728 .1798  .734      1.1
O3   .1008 .2244  .396  .7   .9
OH3  .1008 .2244  .396  .3   .9
O4   .2358     0  .768      1.5
O5   .4229 .1767  .304      1.7
O6   .2667 .1284  .386      1.2
O7   .3683     0  .282      1.3
O8   .0830 .1237  .681      1.5
Wat1    .5  .142     0 .90  8.8
Wat2     0  .126     0 .88 10.9
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Ferronigerite-2N1S
Download hom/ferronigerite2n1s.pdf
Arakcheeva A V, Pushcharovskii D Y, Rastsvetaeva R K, Kashaev A A, Nadezhina T N
 
Kristallografiya 40 (1995) 639-644
Crystal structure of nigerite-6H
Locality: Eastern Siberia, Irkutsk, Russia
_database_code_amcsd 0018796
5.717 5.717 13.80 90 90 120 P-3m1
atom     x     y     z occ Biso
AlM1     0     0    .5      .35
AlM2 .1691 .3377 .3306      .36
AlT1   2/3   1/3 .4538 .20  .51
FeT1   2/3   1/3 .4538 .44  .51
ZnT1   2/3   1/3 .4538 .36  .51
AlT2     0     0 .1235 .61  .42
FeT2     0     0 .1235 .39  .42
AlM3    .5     0     0 .75  .61
Sn     2/3   1/3 .1872      .40
O1   .2938 .1471 .4128      .64
O2     1/3   2/3 .4027      .52
O3       0     0 .2592      .43
O4   .0121 .5061 .2604      .52
O5     1/3   2/3 .0701      .62
O6   .3518 .1759 .0846      .99
H      1/3   2/3   .14     1.00
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Komkovite
Download hom/komkovite.pdf
Sokolova E V, Arakcheeva A V, Voloshin A V
 
Soviet Physics Doklady 36 (1991) 666-668
Crystal structure of komkovite
_database_code_amcsd 0015621
10.526 10.526 15.736 90 90 120 R32
atom    x    y     z occ Biso
Ba1     0    0 .2565      4.0
Zr1     0    0     0      2.3
Zr2     0    0    .5       .1
Si   .343 .256  .427      1.0
O1   .178 .095  .417      1.8
O2   .479 .234  .404      2.3
O3   .644    0     0      2.4
O4   .748    0    .5      1.3
Wat5 .281 .002  .283 .81  3.0
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Total number of retrieved datasets: 7
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