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Leningradite |
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Siidra O I, Krivovichev S V, Armbruster T, Filatov S K, Pekov I V |
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The Canadian Mineralogist 45 (2007) 445-449 |
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The crystal structure of leningradite, PbCu3(VO4)2Cl2 |
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Locality: Great fissure Tolbachik eruption, Kamchatka Peninsula, Russia |
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Note: Changed signs of Cu2(y) and Cl(y) by personal communication with Krivovichev |
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_database_code_amcsd 0006144 |
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9.005 11.046 9.349 90 90 90 Ibam |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Pb .5 0 .25 .0210 .0262 .0153 .0215 0 0 0 |
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Cu1 0 0 0 .0142 .0176 .0146 .0104 -.0050 0 0 |
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Cu2 .25095 -.32837 0 .0128 .0089 .0198 .0096 .0035 0 0 |
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V .5 .29546 .25 .0073 .0072 .0093 .0054 0 .0005 0 |
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O1 .0981 .1107 .1354 .0126 .0123 .013 .013 -.0034 -.0022 .0021 |
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O2 .3871 .2015 .1565 .0141 .017 .015 .011 -.0005 -.0032 -.0009 |
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Cl .3116 -.0834 0 .0210 .0208 .0183 .0238 .0029 0 0 |
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| Download AMC data (View Text File)
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Cerianite-(Ce) |
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Zaitsev A N, Chakhmouradian A R, Siidra O I, Spratt J, Williams C T, |
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Stanley C J, Petrov S V, Britvin S N, Polyakova E A |
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Mineralogical Magazine 75 (2011) 2813-2822 |
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Fluorine-, yttrium- and lanthanide-rich cerianite-(Ce) from carbonatitic rocks of the |
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Kerimasi volcano and surrounding explosion craters, Gregory Rift, northern Tanzania |
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Locality: Gregory Rift, northern Tanzania |
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_database_code_amcsd 0018569 |
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5.4203 5.4203 5.4203 90 90 90 Fm-3m |
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atom x y z occ Uiso |
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CeA 0 0 .5 .62 .0093 |
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YA 0 0 .5 .20 .0093 |
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NdA 0 0 .5 .06 .0093 |
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LaA 0 0 .5 .03 .0093 |
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PrA 0 0 .5 .01 .0093 |
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SmA 0 0 .5 .01 .0093 |
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GdA 0 0 .5 .02 .0093 |
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DyA 0 0 .5 .02 .0093 |
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ErA 0 0 .5 .01 .0093 |
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YbA 0 0 .5 .02 .0093 |
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OX .25 .25 .25 .84 .0128 |
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FX .25 .25 .25 .12 .0128 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure
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Rickturnerite |
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Rumsey M S, Krivovichev S V, Siidra O I, Kirk C A, Stanley C J, Spratt J |
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Mineralogical Magazine 76 (2012) 59-73 |
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Rickturnerite, Pb7O4[Mg(OH)4](OH)Cl3, a complex new lead oxychloride mineral |
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Locality: Torr Works (Merehead) quarry, Cranmore, Somerset, United Kingdom |
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_database_code_amcsd 0018663 |
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5.8034 11.3574 12.9393 90 90 90 Pmm2 |
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atom x y z occ Uiso |
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Pb1 .5 .7746 .60117 .0168 |
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Pb2 0 .7669 .1011 .0317 |
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Pb3 0 .7762 .8001 .0246 |
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Pb4 0 0 .6033 .0191 |
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Pb5 .5 0 .8000 .0175 |
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Pb6 .5 .7673 .2988 .0468 |
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Pb7 .5 0 .1031 .0265 |
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Pb8 0 0 .2991 .0355 |
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Pb9 .5 .5 .0015 .8 .0387 |
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Pb10 .5 .5 .072 .1 .022 |
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Pb11 0 .5 .4064 .78 .0288 |
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Pb12 0 .5 .4913 .22 .02 |
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Pb13 0 .5 .007 .1 .02 |
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Cl1 0 .750 .4604 .049 |
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Cl2 .5 .7498 .9618 .016 |
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Cl3 0 0 .9692 .012 |
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Cl4 .5 0 .4624 .036 |
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Mg .752 .5 .700 .024 |
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O1 .743 .8756 .706 .018 |
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O2 .754 .8687 .201 .035 |
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OH1 0 .371 .670 .034 |
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OH2 .5 .387 .718 .034 |
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OH3 .802 .5 .848 .034 |
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OH4 .311 .5 .528 .034 |
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OH5 .5 .626 .179 .51 .01 |
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OH6 .782 .577 .210 .25 .01 |
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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
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