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Burovaite-Ca |
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Azarova Y V, Shlyukova Z V, Zolotarev A A, Organova N I |
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Geology of Ore Deposits 51 (2009) 774-783 |
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Burovaite-Ca, (Na,K)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8*12H2O, a new labuntsovite-group |
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mineral species and its place in low-temperature mineral formation in pegmatites |
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of the Khibiny Pluton, Kola Peninsula, Russia |
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Locality: Khibiny Pluton, Kola Peninsula, Russia |
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_database_code_amcsd 0018314 |
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14.529 14.203 7.899 90 117.37 90 C2/m |
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atom x y z occ Uiso |
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Si1 .3142 .11047 .2390 .0160 |
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Si2 .2014 .11085 .7937 .0169 |
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TiM1 .25 .25 .5 .67 .0269 |
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NbM1 .25 .25 .5 .33 .0269 |
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TiM2 0 .23715 .5 .77 .0233 |
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NbM2 0 .23715 .5 .23 .0233 |
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O1 .0809 .1360 .6792 .0210 |
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O2 .2705 .1702 .7191 .0273 |
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O3 .2530 .1372 .3668 .0247 |
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O4 .3434 0 .2628 .028 |
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O5 .2185 0 .7700 .033 |
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O6 .4199 .1679 .3103 .0238 |
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O7 .2400 .1327 .0186 .0326 |
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O8 .1009 .2375 .3957 .0196 |
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CaD1 0 0 .5 .64 .0199 |
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WatC1 .1026 0 .3328 .64 .064 |
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KC1 .1026 0 .3328 .19 .064 |
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BaC1 .1026 0 .3328 .01 .064 |
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NaA1 .0826 .2392 -.0123 .41 .0217 |
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CaA1 .0826 .2392 -.0123 .06 .0217 |
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SrA1 .0826 .2392 -.0123 .01 .0217 |
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KB1 .4188 0 .7035 .48 .115 |
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Wat2 0 .3879 0 .203 |
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Wat3 .0263 .3732 .117 .79 .179 |
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Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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