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Winchite |
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Sokolova E V, Hawthorne F C, Gorbatova V, McCammon C, Schneider J |
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The Canadian Mineralogist 39 (2001) 171-177 |
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Ferrian winchite from the Ilmen mountains, southern Urals, |
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Russia and some problems with the current scheme for amphibole nomenclature |
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Locality: Ilmen mountains, southern Urals, Russia |
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Note: x-coordinate of T1 and all coordinates of O6 |
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adjusted to match reported bond lengths |
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_database_code_amcsd 0005710 |
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9.8339 18.0357 5.2974 90 104.195 90 C2/m |
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atom x y z occ Biso |
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KA 0 .5 0 .13 2.0 |
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CaM4 0 .2761 .5 .33 1.4 |
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NaM4 0 .2761 .5 .67 1.4 |
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MgM1 0 .0887 .5 .6 |
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Fe3+M2 0 .1784 0 .46 .6 |
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Fe2+M2 0 .1784 0 .435 .6 |
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AlM2 0 .1784 0 .10 .6 |
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TiM2 0 .1784 0 .005 .6 |
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MgM3 0 0 0 .79 .3 |
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Fe2+M3 0 0 0 .13 .3 |
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MnM3 0 0 0 .07 .3 |
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SiT1 .285 .0858 .302 .97 1.0 |
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AlT1 .285 .0858 .302 .03 1.0 |
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SiT2 .289 .1746 .801 .8 |
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O1 .111 .089 .216 .7 |
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O2 .119 .174 .730 1.4 |
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OH3 .107 0 .709 .885 .6 |
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F3 .107 0 .709 .115 .6 |
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O4 .366 .2513 .789 1.7 |
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O5 .351 .1254 .077 1.2 |
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O6 .334 .1160 .602 1.6 |
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O7 .345 0 .319 1.3 |
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