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Manganoneptunite |
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Borisov S V, Klevtsova R F, Bakakin V V, Belov N V |
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Soviet Physics Crystallography 10 (1966) 684-689 |
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The crystal structure of neptunite |
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Locality: Lovozero, Russia |
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_database_code_amcsd 0018809 |
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16.41 12.55 10.03 90 115.5 90 C2/c |
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atom x y z occ Biso |
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K 0 .569 .250 .30 |
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Na .241 .22 .805 2.26 |
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Li 0 .074 .250 .25 |
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Mn .160 .185 .398 .73 .52 |
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Fe .160 .185 .398 .27 .52 |
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Ti .090 .939 .116 .38 |
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Si1 .026 .278 .091 .70 |
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Si2 .103 .844 .414 .55 |
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Si3 .232 .524 .399 .47 |
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Si4 .147 .411 .559 1.00 |
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O1 .106 .286 .250 .07 |
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O2 .033 .172 .418 3.00 |
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O3 .210 .307 .587 3.00 |
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O4 .123 .043 .253 1.10 |
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O5 .202 .071 .580 -.55 |
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O6 .049 .948 .431 1.29 |
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O7 .113 .818 .277 1.66 |
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O8 .164 .517 .484 .19 |
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O9 .166 .457 .729 .60 |
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O10 .039 .374 .471 .80 |
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O11 .289 .631 .470 1.16 |
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O12 .431 .758 .524 .68 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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Manganoneptunite |
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Zolotarev A A, Krivovichev S V, Yakovenchuk V N |
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Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 136 (2007) 118-123 |
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Refinement of the mangan-neptunite structure |
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Note: changed signs of z-coordinates of O12 and O14, Ti1(y) to .32364 |
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Note: Composition of the Fe site not given. |
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Locality: Mt. Kaskasnyuncharr, the Khibiny alkaline pluton, Russia |
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_database_code_amcsd 0015717 |
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16.4821 12.5195 10.0292 90 115.474 90 Cc |
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atom x y z Uiso |
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Si1 .14640 .40807 .0626 .0061 |
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Si2 .85522 .59502 -.0595 .0065 |
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Si3 .52338 .22472 .0836 .0070 |
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Si4 .47738 .77184 -.0855 .0062 |
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Si5 .76903 .47365 .1105 .0065 |
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Si6 .22894 .52406 .8915 .0065 |
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Si7 .89388 .15208 .0790 .0069 |
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Si8 .10519 .85221 -.0834 .0064 |
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Ti1 .34233 .32364 .10313 .0062 |
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Ti2 .08716 .05326 .11462 .0064 |
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Fe1 .66082 .68390 -.09788 .0118 |
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Fe2 -.08942 -.06065 .88539 .0122 |
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Na1 .2654 .1974 .3127 .0210 |
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Na2 .7368 .8012 .6971 .0170 |
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K -.00131 .42070 .2497 .0234 |
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Li .5007 .4349 .249 .0150 |
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O1 .9580 .0530 .0768 .0074 |
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O2 .0502 -.0437 -.0702 .0078 |
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O3 .4558 .3229 .0729 .0076 |
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O4 .5418 .6704 -.0658 .0090 |
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O5 .1086 .1672 .2606 .0095 |
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O6 .8878 .8261 .7290 .0124 |
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O7 .3705 .4295 .2227 .0105 |
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O8 .6216 .5498 .7383 .0115 |
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O9 .2052 .0727 .0992 .0087 |
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O10 .7901 -.0801 -.0894 .0087 |
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O11 .7116 .3650 .0386 .0097 |
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O12 .2900 .6307 -.0500 .0103 |
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O13 .2141 .3104 .0800 .0077 |
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O14 .7961 .6972 -.0649 .0086 |
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O15 .8319 .4954 .0236 .0094 |
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O16 .1672 .5105 -.0187 .0093 |
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O17 .1586 .4513 .2237 .0099 |
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O18 .8385 .5513 .7784 .0102 |
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O19 .3968 .2114 .2511 .0102 |
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O20 .6042 .7944 .7408 .0118 |
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O21 .4628 .1158 .0223 .0092 |
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O22 .5403 .8791 -.0266 .0087 |
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O23 .9252 .2609 .0225 .0092 |
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O24 .0684 .7458 -.0341 .0104 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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