American Mineralogist Crystal Structure Database

2 matching records for this search.

Carlosbarbosaite
 
Atencio D, Roberts A C, Cooper M A, Menezes L A D, Coutinho J M V,
Stirling J A R, Venance K E, Ball N A, Moffatt E, Chaves M L S C,
Brandao P R G, Romano A W
 
Mineralogical Magazine 76 (2012) 75-90
Carlosbarbosaite, ideally (UO2)2Nb2O6(OH)2*2H2O, a new hydrated uranyl
niobate mineral with tunnels from Jaguaracu, Minas Gerais, Brazil:
description and crystal structure
Locality: Jaguaracu, Minas Gerais, Brazil
_database_code_amcsd 0018664
14.150 10.395 7.529 90 90 90 Cmcm
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
U    .26634 .27203    .25 .72 .0343  .0279  .0507  .0244 -.0115      0      0
Nb   .38296     .5      0 .40 .0281  .0133  .0443  .0267      0      0 -.0001
Ta   .38296     .5      0 .26 .0281  .0133  .0443  .0267      0      0 -.0001
Si   .38296     .5      0 .13 .0281  .0133  .0443  .0267      0      0 -.0001
Ti   .38296     .5      0 .11 .0281  .0133  .0443  .0267      0      0 -.0001
Al   .38296     .5      0 .05 .0281  .0133  .0443  .0267      0      0 -.0001
Fe   .38296     .5      0 .05 .0281  .0133  .0443  .0267      0      0 -.0001
Ca       .5  .0127    .25 .28  .057   .055   .051   .066      0      0      0
Nd       .5  .0127    .25 .02  .057   .055   .051   .066      0      0      0
Ce       .5  .0127    .25 .02  .057   .055   .051   .066      0      0      0
O(1)  .3622  .1709    .25      .061   .097   .062   .023  -.047      0      0
O(2)  .1633  .3780    .25      .047   .048   .058   .035  -.000      0      0
O(3)  .3020  .3571 -.0398      .035   .026   .052   .027  -.015  -.003   .008
O(4)  .3758  .4471    .25      .026   .022   .042   .015  -.001      0      0
OH       .5  .6106  .0547      .033   .027   .051   .022      0      0   .003
Wat      .5   .126  -.022      .096    .12    .10   .075      0      0  -.001
Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink)
 
Almeidaite
 
Menezes L A D, Chukanov N V, Rastsvetaeva R K, Aksenov S M, Pekov I V,
Chaves M L S C, Richards R P, Atencio D, Brandao P R G, Scholz R, Krambrock K,
Moreira R L, Guimaraes F S, Romano A W, Persiano A C, de Oliveira L C A,
Ardisson J D
 
Mineralogical Magazine 79 (2015) 269-283
Almeidaite, Pb(Mn,Y)Zn2(Ti,Fe3+)18O36(O,OH)2, a new crichtonite-group mineral,
from Novo Horizonte, Bahia, Brazil
Locality: Novo Horizonte, Bahia, Brazil
_database_code_amcsd 0020699
10.4359 10.4359 21.0471 90 90 120 R-3
atom      x      y     z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
PbM0      0      0     0 .59 .0495  .0303  .0303  .0879  .0152      0      0
SrM0      0      0     0 .12 .0495  .0303  .0303  .0879  .0152      0      0
CaM0      0      0     0 .04 .0495  .0303  .0303  .0879  .0152      0      0
LaM0      0      0     0 .03 .0495  .0303  .0303  .0879  .0152      0      0
MnM1    1/3    2/3   1/6 .54 .0100  .0097  .0097  .0105  .0049      0      0
YM1     1/3    2/3   1/6 .46 .0100  .0097  .0097  .0105  .0049      0      0
ZnM2      0      0 .3093 .72 .0086  .0062  .0062  .0133  .0031      0      0
FeM3 -.1458  .0378 .1654 .73 .0099  .0089  .0090  .0131  .0055  .0007  .0002
TiM3 -.1458  .0378 .1654 .24 .0099  .0089  .0090  .0131  .0055  .0007  .0002
MnM3 -.1458  .0378 .1654 .03 .0099  .0089  .0090  .0131  .0055  .0007  .0002
TiM4 -.4226 -.0136 .0656     .0088  .0088  .0085  .0100  .0051  .0004  .0001
TiM5  .0882  .3379 .0589     .0111  .0108  .0094  .0137  .0054  .0004  .0031
FeM6      0      0 .3694 .25 .0206  .0154  .0154   .031  .0077      0      0
O1   -.3072 -.0753 .2264     .0078  .0070  .0058  .0121  .0043  .0013  .0022
O2   -.2982 -.0636 .0070     .0114  .0141  .0093  .0114  .0064  .0007  .0002
O3   -.2586  .1053 .1164     .0089  .0044  .0057  .0154  .0016  .0020  .0005
O4    .0467  .1739 .1103     .0089  .0074  .0052  .0145  .0035  .0015  .0029
O5   -.4777 -.1998 .1024     .0108  .0162  .0065  .0129  .0079  .0005  .0015
O6    .0513  .1978 .3361     .0095  .0094  .0089  .0118  .0057  .0015  .0020
O7        0      0 .2142  .6 .0102  .0032  .0032   .024  .0016      0      0
OH7       0      0 .2142  .4 .0102  .0032  .0032   .024  .0016      0      0
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View JMOL 3-D Structure (permalink)
 
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Total number of retrieved datasets: 2
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