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Kerimasite |
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Zaitsev A N, Williams C T, Britvin S N, Kuznetsova I V, Spratt J, Petrov S V, Keller J |
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Mineralogical Magazine 74 (2010) 803-820 |
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Kerimasite, Ca3Zr2(Fe3+2Si)O12, a new garnet from carbonatites of Kerimasi volcano |
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and surrounding explosion craters, northern Tanzania |
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Locality: Kerimasi volcano, Tanzania |
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_database_code_amcsd 0018324 |
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12.5512 12.5512 12.5512 90 90 90 Ia3d |
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atom x y z occ Uiso |
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CaX .125 0 .25 .96 .0048 |
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LaX .125 0 .25 .03 .0048 |
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MnX .125 0 .25 .01 .0048 |
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ZrY 0 0 0 .73 .0093 |
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NbY 0 0 0 .22 .0093 |
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MgY 0 0 0 .05 .0093 |
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FeZ .375 0 .25 .44 .013 |
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AlZ .375 0 .25 .28 .013 |
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SiZ .375 0 .25 .25 .013 |
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TiZ .375 0 .25 .03 .013 |
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O .0330 .0509 .6519 .0116 |
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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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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)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
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