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Almeidaite |
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Kastsvetaeva R K, Aksenov S M, Chukanov N V, Menezes L A D |
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Doklady Chemistry 455 (2014) 53-57 |
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Crystal structure of almeidaite, a new mineral of the crichtonite group |
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Locality: Novo Horizonte, Bahia, Brazil |
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_database_code_amcsd 0020510 |
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10.4359 10.4359 21.0471 90 90 120 R-3 |
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atom x y z occ Uiso |
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Pb1 0 0 0 .6 .0495 |
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Sr1 0 0 0 .1 .0495 |
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Mn1 -2/3 -1/3 1/6 .6 .0100 |
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Y1 -2/3 -1/3 1/6 .4 .0100 |
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Zn1 0 0 .3093 .75 .0098 |
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Fe1 -.1457 .0379 .1655 .7333 .0106 |
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Ti1 -.1457 .0379 .1655 .2333 .0106 |
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Mn2 -.1457 .0379 .1655 .0333 .0106 |
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Ti2 -.4229 -.0137 .0656 .0098 |
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Ti3 .0882 .3379 .0589 .0109 |
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Fe2 0 0 .3681 .25 .021 |
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O1 -.3075 -.0755 .2264 .0078 |
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O2 -.3000 -.0648 .0064 .0111 |
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O3 -.2582 .1052 .1164 .0087 |
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O4 .0459 .1735 .1098 .0088 |
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O5 -.4785 -.2009 .1029 .0120 |
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O6 .0517 .1974 .3361 .0098 |
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O7 0 0 .2150 .59 .0091 |
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OH7 0 0 .2150 .41 .0091 |
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| 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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Almeidaite |
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Menezes L A D, Chukanov N V, Rastsvetaeva R K, Aksenov S M, Pekov I V, |
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Chaves M L S C, Richards R P, Atencio D, Brandao P R G, Scholz R, Krambrock K, |
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Moreira R L, Guimaraes F S, Romano A W, Persiano A C, de Oliveira L C A, |
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Ardisson J D |
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Mineralogical Magazine 79 (2015) 269-283 |
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Almeidaite, Pb(Mn,Y)Zn2(Ti,Fe3+)18O36(O,OH)2, a new crichtonite-group mineral, |
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from Novo Horizonte, Bahia, Brazil |
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Locality: Novo Horizonte, Bahia, Brazil |
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_database_code_amcsd 0020699 |
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10.4359 10.4359 21.0471 90 90 120 R-3 |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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PbM0 0 0 0 .59 .0495 .0303 .0303 .0879 .0152 0 0 |
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SrM0 0 0 0 .12 .0495 .0303 .0303 .0879 .0152 0 0 |
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CaM0 0 0 0 .04 .0495 .0303 .0303 .0879 .0152 0 0 |
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LaM0 0 0 0 .03 .0495 .0303 .0303 .0879 .0152 0 0 |
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MnM1 1/3 2/3 1/6 .54 .0100 .0097 .0097 .0105 .0049 0 0 |
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YM1 1/3 2/3 1/6 .46 .0100 .0097 .0097 .0105 .0049 0 0 |
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ZnM2 0 0 .3093 .72 .0086 .0062 .0062 .0133 .0031 0 0 |
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FeM3 -.1458 .0378 .1654 .73 .0099 .0089 .0090 .0131 .0055 .0007 .0002 |
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TiM3 -.1458 .0378 .1654 .24 .0099 .0089 .0090 .0131 .0055 .0007 .0002 |
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MnM3 -.1458 .0378 .1654 .03 .0099 .0089 .0090 .0131 .0055 .0007 .0002 |
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TiM4 -.4226 -.0136 .0656 .0088 .0088 .0085 .0100 .0051 .0004 .0001 |
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TiM5 .0882 .3379 .0589 .0111 .0108 .0094 .0137 .0054 .0004 .0031 |
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FeM6 0 0 .3694 .25 .0206 .0154 .0154 .031 .0077 0 0 |
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O1 -.3072 -.0753 .2264 .0078 .0070 .0058 .0121 .0043 .0013 .0022 |
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O2 -.2982 -.0636 .0070 .0114 .0141 .0093 .0114 .0064 .0007 .0002 |
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O3 -.2586 .1053 .1164 .0089 .0044 .0057 .0154 .0016 .0020 .0005 |
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O4 .0467 .1739 .1103 .0089 .0074 .0052 .0145 .0035 .0015 .0029 |
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O5 -.4777 -.1998 .1024 .0108 .0162 .0065 .0129 .0079 .0005 .0015 |
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O6 .0513 .1978 .3361 .0095 .0094 .0089 .0118 .0057 .0015 .0020 |
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O7 0 0 .2142 .6 .0102 .0032 .0032 .024 .0016 0 0 |
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OH7 0 0 .2142 .4 .0102 .0032 .0032 .024 .0016 0 0 |
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| 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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