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Umbrianite |
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Sharygin V V, Pekov I V, Zubkova N V, Khomyakov A P, Stoppa F, Pushcharovsky D Y |
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European Journal of Mineralogy 25 (2013) 655-669 |
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Umbrianite, K7Na2Ca2[Al3Si10O29]F2Cl2, a new mineral species from melilitolite |
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of the Pian di Celle volcano, Umbria, Italy |
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Locality: Pian di Celle volcano, Umbria, Italy |
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_database_code_amcsd 0020030 |
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7.0618 38.420 6.5734 90 90 90 *Pmmn |
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.25 .25 0 |
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atom x y z occ Uiso |
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K(1) .25 .33849 .1112 .0617 |
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K(2) .25 .25 -.2775 .80 .0351 |
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Na(2) .25 .25 -.2775 .08 .0351 |
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K(3) .25 .41285 -.2824 .90 .0353 |
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Na(3) .25 .41285 -.2824 .06 .0353 |
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K(4) .25 .6602 .5198 .45 .035 |
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K(4') .1570 .6603 .523 .25 .049 |
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Na .0 .5 .5 .70 .0232 |
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Ca .0 .5 .5 .30 .0232 |
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Si(1) .25 .75 .3961 .5 .0144 |
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Al(1) .25 .75 .3961 .5 .0144 |
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Si(2) .25 .70109 .0231 .0234 |
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Si(3) .25 .56856 -.5795 .0155 |
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Si(4) -.0330 .57166 -.2193 .0114 |
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Si(5) -.0157 .75 .7805 .55 .0283 |
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Al(5) -.0157 .75 .7805 .30 .0283 |
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Fe(5) -.0157 .75 .7805 .15 .0283 |
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Al .25 .61619 .0332 .0165 |
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Ca .25 .50431 -.9977 .95 .0111 |
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Mg .25 .50431 -.9977 .05 .0111 |
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O(1) .0631 .7146 .9075 .078 |
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O(2) .0512 .6023 -.0887 .066 |
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O(3) .25 .5317 -.6820 .028 |
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O(4) .25 .6021 -.7239 .046 |
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O(5) -.0169 .53449 -.1226 .049 |
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O(6) .25 .6595 .0332 .070 |
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O(7) .0582 .75 .5386 .051 |
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O(8) .75 .75 .797 .116 |
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O(9) .0633 .5726 -.4375 .053 |
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O(10) .25 .7153 .2564 .044 |
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O(11) .75 .5826 -.2625 .036 |
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F .25 .47937 -.3176 .0247 |
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Cl .75 .66536 .3855 .95 .099 |
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F .75 .66536 .3855 .05 .099 |
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View JMOL 3-D Structure (permalink) |
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