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Tumchaite |
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Subbotin V V, Merlino S, Pushcharovsky D Y, Pakhomovsky Y A, Ferro O, |
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Bogdanova A N, Voloshin A V, Sorokhtina N V, Zubkova N V |
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American Mineralogist 85 (2000) 1516-1520 |
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Tumchaite Na2(Zr,Sn)Si4O11.2H2O - a new mineral from carbonatites of the |
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Vuoriyarvi alkali-ultrabasic massif, Murmansk Region, Russia |
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_database_code_amcsd 0002590 |
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9.144 8.818 7.537 90 113.22 90 P2_1/c |
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atom x y z occ Uiso |
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Zr 0 .5 0 .8 .0076 |
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Sn 0 .5 0 .2 .0076 |
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Si1 .1669 .1582 .1993 .0093 |
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Si2 .3176 .4421 .4124 .0093 |
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Na .2051 .6884 .7109 .0243 |
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O1 .3148 .2659 .3454 .0129 |
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O2 .1164 .0346 .3187 .0126 |
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O3 .0260 .2676 .0660 .0131 |
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O4 .2471 .0543 .0791 .0131 |
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O5 .2145 .5425 .2299 .0120 |
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O6 .5 0 0 .0157 |
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OW .3709 .6921 .0371 .0317 |
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H1 .498 .684 .075 .05 |
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H2 .352 .602 .090 .05 |
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Calcioburbankite |
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Belovitskaya Y V, Pekov I V, Gobechiya E R, Kabalov Y K, Subbotin V V |
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Crystallography Reports 46 (2001) 927-931 |
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Crystal structure of calcioburbankite and the characteristic features of the |
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burbankite structure type |
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Locality: Vuoriyarvi, North Kareliya |
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_database_code_amcsd 0012373 |
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10.4974 10.4974 6.4309 90 90 120 P6_3mc |
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atom x y z occ Biso |
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NaA .5241 .4759 .317 .743 1.4 |
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CaA .5241 .4759 .317 .163 1.4 |
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CeA .5241 .4759 .317 .030 1.4 |
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CeB .8406 .1594 0 .116 1.01 |
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LaB .8406 .1594 0 .081 1.01 |
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NdB .8406 .1594 0 .033 1.01 |
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BaB .8406 .1594 0 .167 1.01 |
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CaB .8406 .1594 0 .316 1.01 |
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SrB .8406 .1594 0 .183 1.01 |
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NaB .8406 .1594 0 .146 1.01 |
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C1 .797 .203 .55 5 |
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C2 0 0 .88 1 |
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C3 1/3 2/3 .49 2 |
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O1 .376 .088 .633 1.1 |
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O2 .926 .074 .344 1.8 |
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O3 .4037 .5963 .476 .5 |
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O4 .776 .224 .359 1.8 |
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Ewaldite |
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Voloshin A V, Subbotin V V, Yakovenchuk V N, Pakhomovsky Y A, |
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Men'shikov Y P, Nadezhina T N, Pushcharovsky D Y |
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Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 1992 (1992) 56-66 |
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New data on the ewaldite |
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_database_code_amcsd 0015721 |
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5.318 5.318 12.837 90 90 120 P6_3mc |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Ba 1/3 2/3 0 .008250 .008250 .002124 .004125 0 0 |
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Ca 1/3 2/3 .3045 .007543 .007543 .001062 .003772 0 0 |
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C 0 0 .427 .007190 .007190 .002124 .003654 0 0 |
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O1 .139 -.139 .426 .007425 .007425 .005765 .009429 .000423 -.000423 |
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O2 .292 .081 .665 .19 4.2 |
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O3 .532 .062 .151 .12 2.6 |
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O4 .603 .212 .277 .24 2.0 |
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O5 .231 .466 .703 .07 4.9 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure
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