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Tisinalite |
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Yamnova N A, Egorov-Tismenko Y K, Pekov I V, Shchegol'kova L V |
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Crystallography Reports 48 (2003) 551-556 |
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Crystal structure of tisinalite Na2(Mn,Ca)1-x(Ti,Zr,Nb,Fe3+)[Si6O8(O,OH)10] |
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Locality: Khibiny massif, Kola Peninsula, Russia |
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_database_code_amcsd 0012385 |
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10.036 10.036 12.876 90 90 120 P-3 |
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atom x y z occ Uiso |
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NaA1 .5 .0 .5 .68 .0205 |
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NaA2 .3352 .1681 .1647 .70 .0473 |
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MnC1 1/3 2/3 .9174 .23 .073 |
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CaC1 1/3 2/3 .9174 .08 .073 |
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MnC2 1/3 2/3 .4228 .17 .029 |
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CaC2 1/3 2/3 .4228 .09 .029 |
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MnC3 0 0 .7570 .23 .047 |
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CaC3 0 0 .7570 .02 .047 |
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TiM1 0 0 0 .64 .0350 |
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Fe3+M1 0 0 0 .36 .0350 |
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TiM2 1/3 2/3 .6667 .38 .0189 |
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ZrM2 1/3 2/3 .6667 .21 .0189 |
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NbM2 1/3 2/3 .6667 .20 .0189 |
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Si1 .6385 .81932 .1032 .0314 |
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Si2 .8487 .6975 .4349 .0296 |
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Si3 .9701 .4849 .7679 .0281 |
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O1 .9118 .8194 .9092 .066 |
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O2 .5138 .7612 .5758 .054 |
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O3 .5681 .1517 .2440 .065 |
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OH4 .8967 .7853 .3252 .077 |
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OH5 .8858 .4408 .6573 .073 |
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OH6 .5509 .7757 -.0069 .064 |
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O7 .7391 .7398 .5004 .076 |
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O8 -.0746 .3356 .8344 .082 |
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O9 .5874 .6641 .1672 .082 |
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