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Moskvinite-(Y) |
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Sokolova E V, Hawthorne F C, Agakhanov A A, Pautov L A |
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The Canadian Mineralogist 41 (2003) 513-520 |
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The crystal structure of moskvinite-(Y), Na2K(Y,REE)[Si6O15], a new silicate |
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mineral with [Si6O15] three-membered double-rings from the Dara-I-Pioz Moraine, |
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Tien-Shan mountains, Tajikistan |
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Locality: Dara-I-Pioz Moraine, Tien-Shan mountains, Tajikistan |
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_database_code_amcsd 0005835 |
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10.623 14.970 8.553 90 90 90 Ibmm |
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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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Na 1/2 .25636 0 .0178 .0168 .0167 .0197 0 .0051 0 |
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K .43056 0 1/4 .0254 .0234 .0373 .0154 0 0 0 |
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Y 1/4 1/4 1/4 .77 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Dy 1/4 1/4 1/4 .09 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Gd 1/4 1/4 1/4 .04 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Er 1/4 1/4 1/4 .04 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Ho 1/4 1/4 1/4 .02 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Sm 1/4 1/4 1/4 .02 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Nd 1/4 1/4 1/4 .01 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Tb 1/4 1/4 1/4 .01 .00679 .00714 .00699 .00624 -.00077 0 0 |
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Si1 .53384 .40003 1/4 .00943 .0083 .0093 .0108 -.0013 0 0 |
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Si2 .22002 .39603 -.07776 .00934 .0100 .0091 .0089 .00008 .00047 .00111 |
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O1 .15917 .37118 -1/4 .0138 .0116 .0192 .0107 -.0025 0 0 |
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O2 .43311 .32256 1/4 .0129 .0109 .0123 .0154 -.0038 0 0 |
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O3 .37260 .38915 -.09771 .0129 .0101 .0173 .0114 .0000 .0003 .0011 |
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O4 .18101 1/2 -.0448 .0155 .0170 .0086 .0211 0 .0034 0 |
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O5 .16655 .33667 .05854 .0136 .0139 .0143 .0127 -.0012 -.0010 .0050 |
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O6 .4751 1/2 1/4 .0140 .0139 .0097 .0184 0 0 0 |
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