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Carbobystrite |
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Khomyakov A P, Camara F, Sokolova E |
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The Canadian Mineralogist 48 (2010) 291-300 |
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Carbobystrite, Na8[Al6Si6O24](CO3)*4H2O, a new cancrinite-group mineral species |
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from the Khibina Alkaline massif, Kola Peninsula, Russia: Description and crystal structure |
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Locality: the Khibina Alkaline massif, Kola Peninsula, Russia |
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_database_code_amcsd 0006331 |
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12.6678 12.6678 10.3401 90 90 120 P31c |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Na1 0 0 -.0505 .030 .021 .021 .047 .011 0 0 |
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Na2 .0941 .5484 .0646 .021 .021 .021 .020 .010 .002 .001 |
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Na3 .3822 .1920 .7808 .977 .024 .035 .022 .019 .018 .008 .004 |
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Na4 2/3 1/3 .1343 .63 .033 .024 .024 .050 .012 0 0 |
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K4 2/3 1/3 .1216 .36 .020 .021 .021 .019 .010 0 0 |
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Si1 .2510 .2517 .0190 .007 .008 .007 .007 .004 .000 .000 |
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Al1 .6745 .0872 .2702 .008 .008 .009 .008 .005 .000 .000 |
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Si2 .0805 .4192 .7688 .008 .009 .007 .007 .004 .000 .000 |
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Al2 .2550 -.0007 .0182 .008 .008 .007 .008 .004 .000 -.001 |
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O1 .3773 .0305 .4153 .013 .011 .019 .008 .007 .002 .002 |
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O2 .2684 .1388 -.0249 .013 .016 .010 .015 .008 .001 .000 |
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O3 .7081 -.0014 .1674 .013 .017 .016 .010 .010 .001 -.001 |
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O4 .6641 .0317 .4273 .014 .018 .020 .010 .014 -.001 .002 |
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O5 .2096 .1084 .5037 .014 .017 .009 .018 .008 -.005 -.004 |
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O6 .0597 .5304 .7264 .012 .017 .009 .012 .009 -.001 .000 |
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O7 .2235 .4648 .7558 .016 .011 .017 .023 .008 .000 .000 |
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O8 .0027 .3072 .1744 .012 .014 .016 .009 .009 .000 -.003 |
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C 1/3 2/3 .1588 .018 .014 .014 .024 .007 0 0 |
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O9 .4481 .7248 .1465 .055 .017 .025 .121 .009 -.014 -.006 |
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Wat10 .7979 .4424 -.0759 .35 .057 .035 .039 .076 .003 -.028 -.003 |
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Wat11 .5594 .2052 -.0716 .47 .065 .047 .044 .087 .010 .017 .017 |
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Wat12 .0230 -.0207 -.2717 .34 .063 .091 .060 .038 .036 -.009 -.016 |
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