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Rippite |
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Sharygin V V, Doroshkevich A G, Seryotkin Y V, Karmanov N S, Belogub E V, |
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Moroz T N, Nigmatulina E N, Yelisseyev A P, Vedenyapin V N, Kupriyanov I N |
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Minerals 10 (2020) 1102 |
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Rippite, K2(Nb,Ti)2(Si4O12)O(O,F), a new K-Nb-cyclosilicate from Chuktukon |
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Carbonatite Massif, Chadobets Upland, Krasnoyarsk Territory, Russia |
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Locality: Chuktukon Carbonatite Massif, Russia |
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_database_code_amcsd 0020927 |
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8.73885 8.73885 8.1277 90 90 90 P4bm |
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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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Nb1 0 0 .23217 .96 .0255 .0105 .0105 .0555 .000 .000 .000 |
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Ti1 0 0 .23217 .02 .0255 .0105 .0105 .0555 .000 .000 .000 |
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Zr1 0 0 .23217 .01 .0255 .0105 .0105 .0555 .000 .000 .000 |
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Nb2 0 0 .73373 .96 .0237 .0114 .0114 .0483 .000 .000 .000 |
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Ti2 0 0 .73373 .02 .0237 .0114 .0114 .0483 .000 .000 .000 |
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Zr2 0 0 .73373 .01 .0237 .0114 .0114 .0483 .000 .000 .000 |
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K .32254 .82254 .0003 .0216 .0237 .0237 .0176 -.0041 .0004 .0004 |
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Si1 .12425 .62425 .3080 .0139 .0141 .0141 .0133 -.0007 -.0001 -.0001 |
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Si2 .12401 .62401 .69906 .0076 .0098 .0098 .0032 .0005 -.0002 -.0002 |
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O1 .4240 .2895 .2361 .0182 .0189 .0109 .0247 -.0009 -.0029 -.0022 |
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O2 .4229 .2877 .7680 .0158 .0217 .0147 .0110 -.0043 -.0001 -.0035 |
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O3 0 0 -.0020 .0200 .0161 .0161 .028 .000 .000 .000 |
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O4 0 0 .4943 .0229 .0194 .0194 .030 .000 .000 .000 |
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O5 .1204 .6204 .4974 .0203 .0264 .0264 .0080 -.0090 -.0054 -.0054 |
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O6 .5 0 .2356 .0156 .0139 .0139 .019 .005 .000 .000 |
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O7 .5 0 .7679 .0138 .017 .017 .007 .007 .000 .000 |
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Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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