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Ikranite |
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Ekimenkova I A, Rastsvetaeva R K, Chukanov N V, Khasanov S S |
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Doklady Chemistry 371 (2000) 65-69 |
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Crystal structure of an oxonium-containing analogue of eudialyte |
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Locality: Karnasurt Mountains, Lovozero massif, Kola Peninsula, Russia |
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_database_code_amcsd 0012505 |
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14.167 14.167 30.081 90 90 120 R3m |
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atom x y z occ Biso |
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Zr .3332 .1666 .1669 1.86 |
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Ca .4052 .3345 .3337 .550 2.21 |
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Mn .4052 .3345 .3337 .233 2.21 |
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Ce .4052 .3345 .3337 .083 2.21 |
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Na .4052 .3345 .3337 .075 2.21 |
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Sr .4052 .3345 .3337 .059 2.21 |
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Si1 .0832 .5416 .2573 2.1 |
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Si2 .1406 .0703 .0804 2.0 |
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Si3 .0550 .3249 .2366 1.5 |
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Si4 .2056 .4112 .0788 2.7 |
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Si5 .5266 .2633 .2538 1.7 |
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Si6 -.0073 .6052 .0971 1.6 |
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O1 .0218 .5109 .3017 3.9 |
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O2 .4127 .3092 .1278 2.3 |
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O3 .4021 .0342 .0451 4.1 |
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O4 .0359 .2993 .2881 4.0 |
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O5 .0939 .3738 .1073 2.7 |
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O6 .3912 .4377 .2260 2.5 |
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O7 .2584 .0284 .2053 3.1 |
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O8 .4452 .2226 .2938 5.8 |
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O9 .1765 .3530 .2202 2.5 |
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O10 .1912 .0956 .1259 3.2 |
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O11 .1808 .3616 .0284 3.6 |
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O12 .6060 .3940 .2537 3.1 |
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O13 .2208 .1104 .0389 4.0 |
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O14 .3951 .6049 .2540 4.8 |
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O15 .0185 .5092 .1046 4.0 |
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O16 .0617 .1234 .0740 2.5 |
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O17 .2725 .5450 .0709 5.0 |
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O18 .4692 .2346 .2045 3.4 |
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Fe .1573 .3146 .3349 .70 4.6 |
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ZrM1 1/3 2/3 .0306 .086 1.9 |
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NbM1 1/3 2/3 .0306 .032 1.9 |
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TiM1 1/3 2/3 .0306 .032 1.9 |
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ZrM2 1/3 2/3 .2875 .163 2.8 |
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NbM2 1/3 2/3 .2875 .068 2.8 |
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TiM2 1/3 2/3 .2875 .068 2.8 |
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Zr 1/3 2/3 .2271 .15 2.2 |
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Si7 1/3 2/3 .0859 .30 1.7 |
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Nal .5324 .4676 -.003 .30 9.3 |
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Na2a .5681 .4319 .1730 .70 1.3 |
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Na2b .5450 .4550 .1789 .30 2.6 |
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Na3 .1948 .0974 .2874 .65 2.5 |
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K3 .1948 .0974 .2874 .10 2.5 |
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Sr3 .1948 .0974 .2874 .05 2.5 |
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Na .1110 .2220 .1528 .495 2.2 |
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H3O .1110 .2220 .1528 .165 2.2 |
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Na2 .4648 .2324 .0484 .615 1.4 |
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H3O2 .4648 .2324 .0484 .205 1.4 |
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H3O3 .0808 .1616 .1663 .34 3 |
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H3O4 .492 .246 .035 .18 1.2 |
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H3O5 .134 .067 .279 .20 1.9 |
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OH1 1/3 2/3 .137 .30 7 |
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OH2 .391 .609 .159 .22 4 |
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OH3 .259 .518 .3307 .70 6.5 |
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OH4 .420 .580 -.0009 .70 7.1 |
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Cl 1/3 2/3 .150 .26 5.3 |
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Watla .0 .0 .2250 .7 1.5 |
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Watlb .0 .0 .199 .3 1.4 |
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Wat2 2/3 1/3 .0999 2.5 |
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