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Emeleusite |
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Johnsen O, Nielsen K, Sotofte I |
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Zeitschrift fur Kristallographie 147 (1978) 297-306 |
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The crystal structure of emeleusite, |
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a novel example of sechser-doppelkette |
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Locality: Igdlutalik Island, Julianchab District, Greenland |
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10.072 17.337 14.004 90 90 90 Acam |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Na1 .2516 .4145 .5 .017 .025 .066 -.002 0 0 |
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Na2 .25 .2243 .25 .042 .012 .028 0 -.021 0 |
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Li 0 0 .2518 .005 |
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Fe3+ .25 .4137 .25 .012 .008 .009 0 0 0 |
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Si1 .4867 .1322 .6137 .0039 |
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Si2 .1923 .0716 .6140 .0037 |
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Si3 .4579 .3107 .6140 .005 |
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O1 -.0032 .2230 .1385 .013 |
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O2 .4123 .4203 .1702 .009 |
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O3 .3340 .1116 .3606 .014 |
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O4 .3371 .4944 .3306 .009 |
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O5 .0861 .1379 .3570 .009 |
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O6 .1757 .3332 .1664 .011 |
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O7 .5136 .1209 .5 .015 |
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O8 .1885 .0535 .5 .015 |
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O9 .4319 .3205 .5 .015 |
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