American Mineralogist Crystal Structure Database

1 matching records for this search.

Melanotekite
Download hom/melanotekite.pdf
Dorsam G, Liebscher A, Wunder B, Franz G
Download am/vol93/AM93_573.pdf
American Mineralogist 93 (2008) 573-583
Crystal structures of synthetic melanotekite (Pb2Fe2Si2O9), kentrolite
(Pb2Mn2Si2O9), and the aluminum analogue (Pb2Al2Si2O9)
Locality: synthetic
_database_code_amcsd 0004535
6.9788 11.0164 10.0881 90 90 90 Pbcn
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb1   .4482  .3016  .5494  .7 .0104  .0079  .0114  .0120 -.0018 -.0011 -.0012
Pb2   .5121  .3088  .5499  .3 .0300  .0652  .0140  .0108  .0020 -.0003  .0140
Fe1      .5      0      0     .0070  .0091  .0052  .0069 -.0005 -.0012  .0010
Fe2      .5  .1521    .25     .0073  .0080  .0081  .0059      0  .0006      0
Si    .2151 -.0864  .2503     .0062  .0033  .0072  .0081  .0032 -.0017 -.0012
O1    .3414  .0109  .3347     .0073  .0104  .0043  .0073  .0040 -.0009 -.0014
O2    .3039 -.1083  .1019     .0128  .0158  .0131  .0096 -.0018  .0053 -.0032
O3    .1915 -.2201  .3227     .0121  .0085  .0159  .0118 -.0012  .0009 -.0038
O4        0 -.0244    .25     .0199  .0050  .0146  .0400      0 -.0050      0
O5    .6146  .1481  .4259     .0114  .0111  .0148  .0083  .0027  .0005 -.0049
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