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Mendeleevite-(Ce) |
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Sokolova E, Hawthorne F C, Pautov L A, Agakhanov A A, Karpenko V Y |
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Mineralogical Magazine 75 (2011) 2583-2596 |
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The crystal structure and crystal chemistry of mendeleevite-(Ce), |
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(Cs,_)6(_,Cs)6(_,K)6(REE,Ca,_)30(Si70O175)(H2O,OH,F,_)35, |
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a potential microporous material |
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Locality: moraine of the Darai-Pioz glacier, Alai mountain ridge, |
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Tien-Shan mountains, northern Tajikistan |
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_database_code_amcsd 0018578 |
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21.9148 21.9148 21.9148 90 90 90 Pm3 |
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atom x y z occ Uiso |
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CeM(1) .28869 .29333 .16693 .50 .01081 |
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LaM(1) .28869 .29333 .16693 .26 .01081 |
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NdM(1) .28869 .29333 .16693 .14 .01081 |
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PrM(1) .28869 .29333 .16693 .07 .01081 |
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SmM(1) .28869 .29333 .16693 .02 .01081 |
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GdM(1) .28869 .29333 .16693 .01 .01081 |
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CeM(2A) .40430 .40992 .11371 .39 .0182 |
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LaM(2A) .40430 .40992 .11371 .20 .0182 |
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NdM(2A) .40430 .40992 .11371 .11 .0182 |
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PrM(2A) .40430 .40992 .11371 .05 .0182 |
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SmM(2A) .40430 .40992 .11371 .01 .0182 |
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GdM(2A) .40430 .40992 .11371 .01 .0182 |
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CaM(2A) .40430 .40992 .11371 .02 .0182 |
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CeM(2B) .3844 .4123 .1193 .05 .0182 |
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LaM(2B) .3844 .4123 .1193 .02 .0182 |
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NdM(2B) .3844 .4123 .1193 .01 .0182 |
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PrM(2B) .3844 .4123 .1193 .01 .0182 |
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CaM(3) .30685 .31416 0 .74 .0207 |
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SrM(3) .30685 .31416 0 .17 .0207 |
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CeM(3) .30685 .31416 0 .02 .0207 |
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LaM(3) .30685 .31416 0 .01 .0207 |
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NdM(3) .30685 .31416 0 .01 .0207 |
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CsA(1) .23200 .5 .24858 .78 .0448 |
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CsA(2) .5 .4200 .3981 .22 .0459 |
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KB(1) .0892 .3728 0 .35 .044 |
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KB(2) .078 .404 0 .02 .044 |
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Si(1) .42893 .5 .24647 .0132 |
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Si(2) .23758 .43094 .07310 .0112 |
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Si(3) .06963 .26204 .16567 .0111 |
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Si(4) .42934 .25606 .07078 .0124 |
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Si(5) .14260 .37357 .15483 .0116 |
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Si(6) .36548 .38330 .27932 .0219 |
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Si(7) .16716 .16716 .16716 .0098 |
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O(1) .1704 .4079 .0957 .0161 |
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O(2) .4035 .5 .1785 .020 |
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O(3) .1940 .3439 .1973 .0152 |
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O(4) 0 .2518 .1432 .015 |
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O(5) .3861 .3043 .1037 .0178 |
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O(6) .4257 .1900 .1037 .0195 |
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O(7) .0961 .3221 .1288 .0193 |
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O(8) .2891 .3841 .0941 .0203 |
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O(9) .2706 .2376 .0762 .0192 |
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O(10) .5 .2773 .0719 .017 |
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O(11) .3490 .3730 .2098 .0330 |
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O(12) .2342 .4333 0 .022 |
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O(13) .2477 .5 .0992 .014 |
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O(14) .3992 .3238 .3079 .0304 |
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O(15) .4111 .4411 .2855 .050 |
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O(16) .4077 .2479 0 .022 |
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O(17) .1413 .1073 .2031 .0166 |
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O(18) .2095 .2095 .2095 .014 |
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O(19) .5 .5177 .2475 .5 .029 |
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F .2778 .2778 .2778 .0142 |
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WatO(20) .3779 .5 .0512 .5 .025 |
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OHO(20) .3779 .5 .0512 .5 .025 |
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WatO(21) .5 .4304 .0567 .5 .060 |
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OHO(21) .5 .4304 .0567 .5 .060 |
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WatO(22) .5 0 0 2/3 .048 |
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WatO(23) .5 .3849 .1678 .42 .054 |
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OHO(23) .5 .3849 .1678 .35 .054 |
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FO(23) .5 .3849 .1678 .23 .054 |
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WatO(24) .1829 .3036 0 .77 .045 |
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WatO(25) 0 .3870 .4029 .42 .057 |
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OHO(25) 0 .3870 .4029 .35 .057 |
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FO(25) 0 .3870 .4029 .23 .057 |
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WatO(26) .5 .5 .5 .5 .03 |
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WatO(27) 0 .305 0 1/3 .063 |
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