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Yegorovite |
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Zubkova N V, Pekov I V, Pushcharovskii D Y, Kazantsev S S |
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Doklady Earth Sciences 427 (2009) 814-818 |
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Crystal structure of yegorovite Na4[Si4O8(OH)4]*7H2O |
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Locality: Lovozero alkaline complex, Kola Peninsula, Russia |
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9.8744 12.3981 14.8973 90 104.675 90 P2_1/c |
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atom x y z Uiso |
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Na1 .0532 .6184 .06992 .0275 |
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Na2 .7635 .8608 .05829 .0286 |
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Na3 .3045 .8923 .07159 .0311 |
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Na4 .4902 .6251 .05502 .0298 |
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Si1 .59375 .82135 .22737 .0138 |
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Si2 .85409 .68222 .23240 .0125 |
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Si3 .34122 .67253 .23305 .0138 |
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Si4 .10049 .83149 .23761 .0152 |
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O1 .0665 .4265 .0859 .0279 |
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H1a .033 .412 .125 .005 |
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H1b .134 .463 .106 .04 |
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O2 .6751 .6900 .0002 .0282 |
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H2a .673 .675 -.056 .03 |
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H2b .690 .640 .046 .15 |
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O3 .9783 .7937 .0089 .0388 |
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H3a .027 .851 .045 .05 |
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H3b .958 .809 -.059 .034 |
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O4 .3337 .7544 -.0283 .0365 |
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H4a .252 .724 -.062 .08 |
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H4b .389 .783 -.064 .10 |
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O5 .3959 .6184 .3321 .0195 |
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O6 .9024 .6274 .3312 .0165 |
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O7 .1549 .8839 .3376 .0223 |
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O8 .6507 .8788 .3248 .0249 |
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O9 .8697 .6008 .1481 .0170 |
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H9 .867 .540 .157 .003 |
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O10 .9385 .7913 .2161 .0199 |
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O11 .4369 .7711 .2109 .0218 |
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O12 .5796 .9035 .1385 .0234 |
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H12 .629 .947 .170 .10 |
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O13 .6876 .7188 .2082 .0181 |
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O14 .1833 .7219 .2185 .0185 |
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O15 .8270 .0419 .0922 .0290 |
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H15a .908 .073 .120 .005 |
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H15b .746 .058 .107 .08 |
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O16 .3241 .5891 .1458 .0201 |
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H16 .346 .5312 .148 .018 |
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O17 .1186 .9136 .1562 .0210 |
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H17 .123 .971 .172 .09 |
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O18 .5769 .4585 .1060 .0303 |
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H18a .658 .452 .110 .04 |
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H18b .535 .428 .137 .018 |
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O19 .3282 .0756 .0944 .0254 |
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H19a .405 .095 .123 .03 |
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H19b .261 .117 .117 .10 |
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