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Saamite |
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Camara F, Sokolova E, Abdu Y A, Hawthorne F C |
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The Canadian Mineralogist 52 (2014) 745-761 |
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Saamite, Ba[]TiNbNa3Ti(Si2O7)2O2(OH)2(H2O)2, a group-III Ti-disilicate mineral from the |
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Khibiny alkaline massif, Kola Peninsula, Russia: description and crystal structure |
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Locality: Kirovskii mine, Khibiny alkaline massif, Kola Peninsula, Russia |
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_database_code_amcsd 0020471 |
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5.437 7.141 21.69 92.97 96.07 90.01 P-1 |
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atom x y z occ Uiso |
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Ba1 .7617 .75515 .03112 .61 .0090 |
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Sr1 .7617 .75515 .03112 .20 .0090 |
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K1 .7617 .75515 .03112 .13 .0090 |
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Na1 .4967 .2873 .2303 .81 .022 |
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Na2 -.0011 .0298 .2302 .72 .0208 |
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Mn2 -.0011 .0298 .2302 .26 .0208 |
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Fe1 -.0011 .0298 .2302 .02 .0208 |
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Na3 -.0017 .5431 .2303 .69 .0211 |
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Mn3 -.0017 .5431 .2303 .29 .0211 |
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Fe2 -.0017 .5431 .2303 .02 .0211 |
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Nb1 .1981 .3080 .3700 .55 .0141 |
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Ti1 .1981 .3080 .3700 .45 .0141 |
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Ti2 .7906 .2659 .09441 .87 .0079 |
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Nb2 .7906 .2659 .09441 .12 .0079 |
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Al1 .7906 .2659 .09441 .01 .0079 |
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Ti3 .5074 .7857 .22492 .77 .0204 |
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Mn1 .5074 .7857 .22492 .13 .0204 |
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Nb3 .5074 .7857 .22492 .09 .0204 |
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Mg1 .5074 .7857 .22492 .01 .0204 |
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Ca1 .209 .819 .3906 .26 .021 |
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Si1 .6908 .0189 .3555 .0190 |
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Si2 .6913 .5935 .3555 .0192 |
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Si3 .2937 .9828 .10040 .0077 |
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Si4 .2931 .5519 .10030 .0085 |
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O1 .660 -.0024 .2805 .016 |
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O2 .458 .119 .3843 .035 |
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O3 .707 .8080 .3852 .030 |
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O4 .953 .120 .3824 .037 |
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O5 .659 .5913 .2810 .017 |
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O6 .459 .500 .3831 .041 |
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O7 .953 .503 .3812 .040 |
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O8 .322 .9835 .1745 .014 |
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O9 .5277 .0732 .0715 .011 |
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O10 .0359 .0737 .0717 .011 |
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O11 .279 .7623 .0705 .012 |
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O12 .324 .5718 .1747 .016 |
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O13 .0350 .4513 .0717 .010 |
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O14 .5248 .4457 .0717 .010 |
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O15 .167 .291 .2871 .031 |
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O16 .829 .2789 .1730 .018 |
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OH17 .762 .7783 .1754 .63 .021 |
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F1 .762 .7783 .1754 .37 .021 |
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OH18 .215 .790 .2783 .63 .025 |
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F2 .215 .790 .2783 .37 .025 |
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Wat19 .238 .330 .4792 .056 |
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Wat20 .249 .742 .4956 .75 .053 |
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Wat21 .25 .86 .432 .25 .05 |
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