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Ferriwhittakerite |
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Oberti R, Camara F, Caballero J M |
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American Mineralogist 89 (2004) 888-893 |
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Ferri-ottoliniite and ferriwhittakerite, two new end-members of the new |
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Group 5 for monoclinic amphiboles |
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9.712 17.851 5.297 90 103.63 90 C2/m |
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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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NaA 0 1/2 0 .139 2.23 .0066 .0015 .0264 0 .0076 0 |
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KA 0 1/2 0 .028 2.23 .0066 .0015 .0264 0 .0076 0 |
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NaAm .0548 1/2 .1126 .501 2.21 .0080 .0015 .0287 0 .0151 0 |
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KAm .0548 1/2 .1126 .102 2.21 .0080 .0015 .0287 0 .0151 0 |
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MgM1 0 .0867 1/2 .690 .77 .0023 .0006 .0070 0 .0010 0 |
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FeM1 0 .0867 1/2 .225 .77 .0023 .0006 .0070 0 .0010 0 |
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ZnM1 0 .0867 1/2 .085 .77 .0023 .0006 .0070 0 .0010 0 |
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FeM2 0 .1798 0 .740 .61 .0019 .0004 .0058 0 .0004 0 |
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AlM2 0 .1798 0 .050 .61 .0019 .0004 .0058 0 .0004 0 |
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TiM2 0 .1798 0 .060 .61 .0019 .0004 .0058 0 .0004 0 |
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ZnM2 0 .1798 0 .115 .61 .0019 .0004 .0058 0 .0004 0 |
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MgM2 0 .1798 0 .035 .61 .0019 .0004 .0058 0 .0004 0 |
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LiM3 0 0 0 .730 .98 .0030 .0004 .0109 0 -.0012 0 |
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MnM3 0 0 0 .120 .98 .0030 .0004 .0109 0 -.0012 0 |
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FeM3 0 0 0 .130 .98 .0030 .0004 .0109 0 -.0012 0 |
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MgM3 0 0 0 .020 .98 .0030 .0004 .0109 0 -.0012 0 |
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LiM4 0 .2758 1/2 .310 1.24 .0044 .0011 .0105 0 .0057 0 |
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CaM4 0 .2758 1/2 .055 1.24 .0044 .0011 .0105 0 .0057 0 |
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NaM4 0 .2758 1/2 .635 1.24 .0044 .0011 .0105 0 .0057 0 |
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H .218 0 .786 .650 1.79 |
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SiT1 .2809 .0859 .2890 .55 .0020 .0003 .0050 .0000 .0004 -.0001 |
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SiT2 .2916 .1709 .7991 .63 .0022 .0004 .0052 -.0001 -.0001 -.0002 |
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O1 .1110 .0907 .2121 .69 .0024 .0005 .0058 .0003 .0018 .0000 |
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O2 .1195 .1711 .7325 .77 .0019 .0005 .0082 .0000 -.0009 -.0003 |
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O3 .1131 0 .7005 .650 1.27 .0049 .0006 .0097 0 -.0008 0 |
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F3 .1131 0 .7005 .350 1.27 .0049 .0006 .0097 0 -.0008 0 |
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O4 .3660 .2507 .7969 .97 .0035 .0005 .0091 -.0003 .0014 -.0001 |
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O5 .3513 .1290 .0802 1.01 .0028 .0010 .0070 -.0004 .0005 -.0003 |
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O6 .3440 .1202 .5769 .93 .0028 .0007 .0074 .0002 .0000 -.0009 |
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O7 .3362 0 .2960 .84 .0015 .0005 .0116 0 -.0003 0 |
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