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Bussenite |
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Zhou H, Rastsvetaeva R K, Khomyakov A P, Ma Z, Shi N |
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Crystallography Reports 47 (2002) 43-46 |
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Crystal structure of new micalike titanosilicate - bussenite, |
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Na2Ba2Fe2+[TiSi2O7][CO3]O(OH)(H2O)F |
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Locality: Khibiny alkaline massif, Kola Peninsula, Russia |
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_database_code_amcsd 0012376 |
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5.399 7.016 16.254 102.44 93.18 90.10 P-1 |
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atom x y z occ Biso |
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Na1 .733 .243 .9527 .5 3.1 |
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Na2 .251 .289 .0461 .5 2.4 |
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K1 .2234 .4246 .8493 .2 1.80 |
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Ba1 .2234 .4246 .8493 .8 1.80 |
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Ba2 .2933 .1222 .2449 .47 1.56 |
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NaM1 .0073 .2513 .5030 .5 .65 |
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MnM1 .0073 .2513 .5030 .275 .65 |
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FeM1 .0073 .2513 .5030 .225 .65 |
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FeM2 .5 0 .5 .5 .75 |
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NaM2 .5 0 .5 .4 .75 |
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MnM2 .5 0 .5 .1 .75 |
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NaM3 .5 .5 .5 .5 .53 |
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FeM3 .5 .5 .5 .4 .53 |
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MnM3 .5 .5 .5 .1 .53 |
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SrM4 .2789 .0938 .1870 .32 2.50 |
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CaM4 .2789 .0938 .1870 .21 2.50 |
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Ti .6951 .3449 .6897 .95 .87 |
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Nb .6951 .3449 .6897 .05 .87 |
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Si1 .1911 .0583 .6684 .76 |
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Si2 .8083 .3887 .3315 .81 |
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C .758 .052 .106 4.6 |
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O1 .957 .165 .7119 1.0 |
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O2 .045 .451 .2870 1.4 |
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O3 .555 .450 .2863 1.4 |
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O4 .449 .162 .7134 1.7 |
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O5 .800 .150 .3044 2.0 |
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O6 .180 .032 .5690 2.2 |
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O7 .822 .460 .4302 2.5 |
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O8 .677 .292 .5809 1.7 |
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O9 .154 .097 .902 9.6 |
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O10 .889 .213 .106 7.9 |
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O11 .555 .138 .095 9.4 |
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OH .338 .215 .4314 1.8 |
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Wat .719 .417 .8360 2.7 |
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F1 .5 .5 0 3.7 |
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F2 0 .5 0 5.7 |
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