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Chemically very similar to alwilkinsite-(Y), the second known yttrium uranyl sulphate mineral; these two minerals and bijvoetite-(Y) and kamotoite-(Y) constitute the whole small group of natural Y-U salts.\r\n\r\nStructure seems to be relat...","In honour of Dr. Jirí Sejkora, a Czech mineralogist of the National Museum in Prague, and specialist on secondary uranium minerals. 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(2011) Sejkoraite-(Y), a new member of the zippeite group containing trivalent cations from Jachymov (St. Joachimsthal), Czech Republic: Description and crystal structure refinement. \u003Ci>American Mineralogist\u003C\u002Fi>,  96 (7) 983-991 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2011.3713'>doi:10.2138\u002Fam.2011.3713\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FAM96_983.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2011.3713",{"id":154,"year":155,"html":156,"doi":11},16967245,2021,"(2021) Sejkoraite-(Y). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FSejkoraite-Y.pdf' class='refpdflink'>\u003C\u002Fa>",[],[159],{"id":160,"url":161,"label":162,"formula":163,"spacegroup":164,"year":150},12590,"\u002Fcif\u002F12590.cif","Plasil 2011","U8 Y1.98 Dy.239 S4 O66 H52","P -1",[166,167],"IMA2009-008","Sejkoraiet-(Y)",[169,174,179,184],{"lang":170,"names":171},"ca",[172,173],"Sejkoraïta-","sejkoraïta-(Y)",{"lang":175,"names":176},"de",[177,178],"IMA 2009-008","Sejkorait-(Y)",{"lang":180,"names":181},"eu",[182,183],"Sejkoraita-","Sejkoraita-(Y)",{"lang":185,"names":186},"it",[187],"sejkoraite-(Y)","Q19861271",{"history":11,"applications":11}]