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Keiviite-(Yb) |
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Smolin Y I, Shepelev Y F |
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Acta Crystallographica B26 (1970) 484-492 |
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The crystal structures of the rare earth pyrosilicates |
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Locality: synthetic |
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6.802 8.875 4.703 90 102.12 90 C2/m |
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atom x y z Biso |
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Yb .5 .80687 0 .25 |
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Si .7189 .5 .4125 .37 |
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O1 .5 .5 .5 1.02 |
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O2 .8831 .5 .7151 .5 |
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O3 .7361 .6504 .2197 .54 |
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Keiviite-(Yb) |
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Yakubovich O V, Simonov M A, Voloshin A V, Pakhomovsky Y A |
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Soviet Physics Doklady 31 (1986) 930-932 |
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Crystal structure of keivite Yb2[Si2O7] |
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Locality: Kola Peninsula, Russia |
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4.715 8.870 6.805 90 102.01 90 A2/m |
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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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Yb 0 .80653 .5 .71 .53 .007523 .001938 .003442 0 .001059 0 |
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Lu 0 .80653 .5 .11 .53 .007523 .001938 .003442 0 .001059 0 |
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Er 0 .80653 .5 .08 .53 .007523 .001938 .003442 0 .001059 0 |
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Tm 0 .80653 .5 .04 .53 .007523 .001938 .003442 0 .001059 0 |
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Y 0 .80653 .5 .03 .53 .007523 .001938 .003442 0 .001059 0 |
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Dy 0 .80653 .5 .02 .53 .007523 .001938 .003442 0 .001059 0 |
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Ho 0 .80653 .5 .01 .53 .007523 .001938 .003442 0 .001059 0 |
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Si .4127 .5 .7188 .76 .007875 .002320 .005079 0 .003095 0 |
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O1 .5 .5 .5 1.5 .018807 .006673 .003386 0 .002443 0 |
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O2 .716 .5 .881 .9 .011754 .002224 .006772 0 .003258 0 |
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O3 .220 .6506 .735 1.1 .015281 .002542 .007900 .001833 .004887 .000423 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
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View JMOL 3-D Structure
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