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Li2(Mg,Cu)Cu2[Si2O6]2 |
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Horiuchi H, Saito A, Tachi T, Nagasawa H |
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American Mineralogist 82 (1997) 143-148 |
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Structure of synthetic Li2(Mg,Cu)Cu2[Si2O6]2: A unique chain silicate |
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related to pyroxene |
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_database_code_amcsd 0001860 |
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5.7068 7.4784 5.2193 99.911 97.436 84.52 P-1 |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Mg 0 0 0 .87 .0038 .0018 .0043 -.0006 .0023 -.0005 |
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Cu 0 0 0 .13 .0038 .0018 .0043 -.0006 .0023 -.0005 |
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Cu .83770 .18327 .50890 .00337 .00188 .0048 -.0004 .00181 .00009 |
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Si1 .4093 .1859 .7795 .0017 .0019 .0035 .0000 .0009 .0002 |
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Si2 .2224 .3721 .3003 .0017 .0016 .0031 .0001 .0004 .0001 |
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Li .760 .409 .073 .005 .013 .025 .000 -.002 .010 |
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O1 .6845 .0955 .7625 .0023 .0041 .0069 .0009 .0018 .0015 |
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O2 .4109 .3111 .0762 .0029 .0034 .0044 -.0005 .0019 -.0008 |
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O3 .3602 .3430 .5862 .0042 .0032 .0049 -.0008 -.0010 .0019 |
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O4 .1953 .0543 .7306 .0032 .0024 .0057 -.0011 .0012 -.0003 |
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O5 .1354 .5789 .2764 .0058 .0018 .0069 .0004 .0007 .0002 |
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O6 -.0014 .2467 .2285 .0028 .0023 .0048 -.0005 .0011 .0001 |
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Orthopyroxene |
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Tachi T, Horiuchi H, Nagasawa H |
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Physics and Chemistry of Minerals 24 (1997) 463-476 |
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Structure of Cu-bearing orthopyroxene, Mg(Cu.56,Mg.44)Si2O6, |
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and behavior of Cu2+ in the orthopyroxene structure |
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_database_code_amcsd 0008029 |
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18.221 8.890 5.2260 90 90 90 Pbca |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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MgM1 .12430 .3474 .3864 .42 .0004 .0008 .0043 .0000 -.00004 .0001 |
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MgM2 .12494 -.00781 .3813 .436 .48 .0005 .00087 .0046 .00007 .00036 .00046 |
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CuM2 .12494 -.00781 .3813 .564 .48 .0005 .00087 .0046 .00007 .00036 .00046 |
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SiTA .22621 -.1610 .0739 .29 .00027 .00065 .0028 .00008 -.00007 -.0001 |
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SiTB .02583 -.3374 .2821 .34 .00036 .00068 .0029 .00004 -.00009 -.0001 |
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O1A .1856 .3355 .0635 .52 .00039 .0014 .0052 -.00002 .0001 -.00002 |
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O2A .1875 .0015 .0742 .67 .00067 .0010 .0074 .0004 .0001 .0004 |
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O3A .1945 -.2282 .3485 .63 .00052 .0022 .0045 .00010 -.0004 .0012 |
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O1B .0637 .1590 .2156 .44 .00035 .0012 .0044 .00006 -.0001 .0004 |
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O2B .0678 .5123 .1931 .58 .00068 .0011 .0045 .00020 -.0001 -.0004 |
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O3B .0508 -.2056 .0760 .58 .00052 .0020 .0037 -.00024 .0000 .0014 |
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| Download AMC data (View Text File)
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