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Elpidite |
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Cannillo E, Rossi G, Ungaretti L |
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American Mineralogist 58 (1973) 106-109 |
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The crystal structure of elpidite |
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7.14 14.68 14.65 90 90 90 Pbcm |
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atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Zr .4950 .25 .5 .0029 .0002 .0005 0 0 -.0001 |
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Si1 .7720 .3854 .6462 .40 |
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Si2 .5086 .0476 .6413 .51 |
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Si3 .2170 .3928 .6435 .49 |
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Na1 .4362 .2299 .75 2.07 |
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Na2 -.0027 .25 .5 2.02 |
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O1 .9966 .4047 .6392 1.46 |
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O2 .7156 .3538 .75 1.33 |
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O3 .7077 .3099 .5772 1.38 |
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O4 .6781 .4825 .6277 1.53 |
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O5 .5285 .0713 .75 .93 |
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O6 .4904 .1405 .5886 1.20 |
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O7 .3029 .4888 .6119 .51 |
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O8 .2881 .3770 .75 .79 |
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O9 .2928 .3097 .5823 .80 |
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Wat1 .0104 .1130 .5810 2.61 |
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Wat2 .1233 .1895 .75 3.04 |
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