American Mineralogist Crystal Structure Database

2 matching records for this search.

Almeidaite
 
Kastsvetaeva R K, Aksenov S M, Chukanov N V, Menezes L A D
 
Doklady Chemistry 455 (2014) 53-57
Crystal structure of almeidaite, a new mineral of the crichtonite group
Locality: Novo Horizonte, Bahia, Brazil
_database_code_amcsd 0020510
10.4359 10.4359 21.0471 90 90 120 R-3
atom      x      y     z   occ  Uiso
Pb1       0      0     0    .6 .0495
Sr1       0      0     0    .1 .0495
Mn1    -2/3   -1/3   1/6    .6 .0100
Y1     -2/3   -1/3   1/6    .4 .0100
Zn1       0      0 .3093   .75 .0098
Fe1  -.1457  .0379 .1655 .7333 .0106
Ti1  -.1457  .0379 .1655 .2333 .0106
Mn2  -.1457  .0379 .1655 .0333 .0106
Ti2  -.4229 -.0137 .0656       .0098
Ti3   .0882  .3379 .0589       .0109
Fe2       0      0 .3681   .25  .021
O1   -.3075 -.0755 .2264       .0078
O2   -.3000 -.0648 .0064       .0111
O3   -.2582  .1052 .1164       .0087
O4    .0459  .1735 .1098       .0088
O5   -.4785 -.2009 .1029       .0120
O6    .0517  .1974 .3361       .0098
O7        0      0 .2150   .59 .0091
OH7       0      0 .2150   .41 .0091
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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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Total number of retrieved datasets: 2
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