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Dymkovite |
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Pekov I V, Levitskiy V V, Krivovichev S V, Zolotarev A A, Chukanov N V, |
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Bryzgalov I A, Zadov A E |
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European Journal of Mineralogy 24 (2012) 923-930 |
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New nickel-uranium-arsenic mineral species from the oxidation zone of |
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the Belorechenskoye deposit, Northern Caucasus, Russia: II. |
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Dymkovite, Ni(UO2)2(As3+O3)2*7H2O, a seelite-related arsenite |
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Locality: Belorechenskoye deposit, Northern Caucasus, Russia |
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_database_code_amcsd 0019395 |
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17.91 6.985 6.594 90 99.89 90 C2/m |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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U .24091 0 .12781 .0338 .0546 .0170 .0326 0 .0157 0 |
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As .20792 .5 .3255 .0425 .0579 .0382 .0347 0 .0174 0 |
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Ni 0 0 .5 .60 .049 .039 .046 .064 0 .011 0 |
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Mg 0 0 .5 .40 .049 .039 .046 .064 0 .011 0 |
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O1 .3415 0 .212 .051 .039 .046 .064 0 .011 0 |
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O2 .1415 0 .044 .047 .052 .048 .052 0 .010 0 |
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O3 .2225 0 .4596 .043 .053 .035 .055 0 .011 0 |
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O4 .2407 .6738 .1790 .050 .050 .041 .038 .000 .010 .000 |
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Wat1 .0906 .181 .521 .5 .066 |
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Wat2 -.0218 .139 .743 .5 .104 |
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Wat3 .060 .198 .692 .5 .160 |
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Wat4 0 .5 .185 .5 .132 |
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View JMOL 3-D Structure (permalink) |
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