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Stornesite-(Y) |
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Grew E S, Armbruster T, Medenbach O, Yates M G, Carson C J |
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American Mineralogist 91 (2006) 1412-1424 |
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Stornesite-(Y), (Y, Ca)Vacancy2Na6(Ca,Na)8(Mg,Fe)43(PO4)36, the first |
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terrestrial Mg-dominant member of the fillowite group, from granulite-facies |
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paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica |
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Locality: Larsemann Hills, Prydz Bay, East Antarctica |
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Note: Isostructural with chladniite |
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_database_code_amcsd 0004225 |
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14.9628 14.9628 42.756 90 90 120 R-3 |
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atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Y2 0 0 0 .677 .65 .0082 .0082 .008 .0041 0 0 |
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CaY2 0 0 0 .263 .65 .0082 .0082 .008 .0041 0 0 |
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YbY2 0 0 0 .060 .65 .0082 .0082 .008 .0041 0 0 |
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NaX 0 0 .176 .063 .8 |
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Na1 -.4108 -.0941 .16822 2.41 .047 .041 .022 .037 .005 .008 |
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Ca1 .0263 -.2680 .00022 .581 1.32 .010 .023 .014 .006 -.0006 .0018 |
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NaCa1 .0263 -.2680 .00022 .419 1.32 .010 .023 .014 .006 -.0006 .0018 |
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Ca2 2/3 1/3 .08913 .679 1.34 .016 .016 .019 .0079 0 0 |
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NaCa2 2/3 1/3 .08913 .321 1.34 .016 .016 .019 .0079 0 0 |
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Mg1 0 0 .1057 .973 1.0 |
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Fe1 0 0 .1057 .027 1.0 |
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Mg2 2/3 1/3 .0083 .967 .8 |
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Fe2 2/3 1/3 .0083 .033 .8 |
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Mg3 1/3 2/3 .0630 1.31 |
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Mg4 -.5393 -.1101 .03880 .545 1.13 |
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Fe4 -.5393 -.1101 .03880 .455 1.13 |
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Mg5 -.6800 -.0027 .08198 .888 .80 |
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Fe5 -.6800 -.0027 .08198 .112 .80 |
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Mg6 -.1089 .1116 .13588 .669 1.29 |
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Fe6 -.1089 .1116 .13588 .331 1.29 |
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Mg7 -.2530 .1758 .05190 .720 1.06 |
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Fe7 -.2530 .1758 .05190 .280 1.06 |
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Mg8 -.3293 -.0677 .08584 .626 .81 |
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Fe8 -.3293 -.0677 .08584 .374 .81 |
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Mg9 -.4236 .0810 .12567 .792 1.48 |
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Fe9 -.4236 .0810 .12567 .208 1.48 |
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Fe10 0 0 .5 .510 .5 |
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Mg10 0 0 .5 .490 .5 |
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P1 .5329 .1162 .03848 .79 |
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P2 .4460 .2070 .12282 .92 |
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P3 .1971 .1165 .05547 .92 |
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P4 .1230 .2429 .13363 .87 |
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P5 .1898 .4348 .02793 .69 |
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P6 .1276 .5694 .11069 .81 |
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O1 .5574 .0350 .0509 1.4 .024 .013 .019 .012 -.004 -.001 |
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O2 .6390 .2183 .0393 1.10 .012 .013 .015 .005 .002 .003 |
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O3 .4558 .1289 .0590 1.13 .012 .015 .015 .006 .005 .002 |
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O4 .4902 .0933 .0051 1.2 .018 .017 .010 .008 .000 .000 |
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O5 .5371 .1890 .1241 1.5 .014 .019 .027 .011 -.003 .000 |
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O6 .3432 .1091 .1146 .91 .008 .013 .010 .002 .000 -.003 |
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O7 .4306 .2511 .1528 2.3 .039 .042 .023 .032 -.011 -.021 |
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O8 .4721 .2932 .0980 1.5 .018 .014 .022 .006 -.006 -.001 |
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O9 .2471 .0502 .0504 1.17 .016 .016 .017 .011 .002 .002 |
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O10 .1351 .0879 .0856 2.3 .025 .020 .034 .006 .014 -.004 |
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O11 .1373 .1158 .0265 2.3 .029 .029 .035 .019 -.020 -.012 |
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O12 .2867 .2323 .0593 1.1 .009 .011 .020 .004 .002 -.002 |
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O13 .2265 .2435 .1312 1.3 .014 .013 .023 .008 .000 .002 |
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O14 .0346 .1309 .1347 1.12 .013 .013 .015 .005 .005 -.001 |
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O15 .1187 .2991 .1038 1.20 .013 .016 .015 .006 .001 .002 |
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O16 .1252 .3032 .1627 1.2 .016 .015 .013 .007 .001 -.001 |
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O17 .2566 .3992 .0451 1.11 .014 .018 .013 .011 -.001 .004 |
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O18 .1619 .3825 -.0043 .99 .011 .013 .011 .005 -.001 -.002 |
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O19 .0893 .4095 .0448 .94 .011 .014 .012 .007 .002 .002 |
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O20 .2531 .5539 .0254 1.1 .019 .012 .010 .007 .002 .003 |
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O21 .0440 .4540 .1101 1.07 .013 .009 .014 .002 .001 -.002 |
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O22 .1909 .6039 .0801 .91 .014 .015 .008 .010 .001 .000 |
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O23 .1953 .5938 .1393 1.4 .015 .023 .013 .007 -.001 .003 |
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O24 .0631 .6257 .1128 1.1 .018 .015 .013 .011 .003 .003 |
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