[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3512":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":16,"ima_formula":15,"elements":17,"sigelements":22,"key_elements":23,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":28,"publication_year":11,"discovery_year":11,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":35,"dana8ed4":34,"csystem":36,"cclass":37,"spacegroup":38,"spacegroupset":39,"a":40,"b":41,"c":42,"alpha":43,"beta":44,"gamma":43,"aerror":45,"berror":46,"cerror":47,"alphaerror":11,"betaerror":47,"gammaerror":11,"va3":48,"z":49,"csmetamict":14,"commentcrystal":50,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":51,"tlform":11,"hmin":37,"hmax":52,"hardtype":11,"vhnmin":53,"vhnmax":54,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":55,"dmeas2":56,"dcalc":57,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":58,"commentluster":11,"diapheny":11,"streak":59,"colour":60,"commentcolor":61,"colors":62,"streak_colors":67,"luminescence":11,"uv":11,"cleavage":68,"cleavagetype":69,"fracturetype":70,"tenacity":71,"commentbreak":11,"opticaltype":72,"opticalsign":11,"opticalalpha":43,"opticalalpha2":43,"opticalalphaerror":11,"opticalbeta":43,"opticalbeta2":43,"opticalbetaerror":11,"opticalgamma":43,"opticalgamma2":43,"opticalgammaerror":11,"opticalomega":43,"opticalomega2":43,"opticalomegaerror":11,"opticalepsilon":43,"opticalepsilon2":43,"opticalepsilonerror":11,"opticaln":73,"opticaln2":74,"opticalnerror":11,"optical2vcalc":43,"optical2vcalc2":43,"optical2vcalcerror":11,"optical2vmeasured":43,"optical2vmeasured2":43,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":72,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":75,"type_specimen_store":11,"description_short":76,"aboutname":77,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":78,"reviewed_at":11,"variety_of":11,"varieties":79,"group_members":86,"associates":120,"confused_with":134,"type_localities":136,"occurrence_total":143,"citations":144,"images":289,"structures":386,"synonyms":398,"language_names":418,"wikidata_qid":533,"texts":534},3512,"1:1:3512:1","0e8d46d4-e15f-4a6f-96b1-5402878fddf7","Samarskite-(Y)","Smk-Y",0,"mineral",null,39540,3239,false,"YFe\u003Csup>3+\u003C\u002Fsup>Nb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","previously formulated as (Y,Fe\u003Csup>3+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>,U,Th,Ca)\u003Csub>2\u003C\u002Fsub>(Nb,Ta)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>  (IMA proposal 19-J)",[18,19,20,21],"Fe","Nb","O","Y",[18,19,20,21],[19,21],"18.4.12",[26,27],"APPROVED","GRANDFATHERED",1980,"4","D","B","25","8","1","11","Monoclinic",5,12,"P2\u002Fc ","9.8020","5.6248","5.2073","0","93.406",8,3,4,286.59,2,"Previously thought to be orthorhombic (Pbcn); the true structure refinement is based on material from Laacher See","Prismatic [001] (with rectangular cross-section); tabular {100} or {010} less common; elongated [010] with prominent {101} at times. Crystals rough. Massive.",6,"736","897","5","5.69","6.28","Vitreous,Resinous,Sub-Metallic","Dark reddish brown to black","Black internally, pale to yellow-brown surface","Brown in transmitted light.",[63,64,65,66],"black","yellow","brown","red",[66,65,63],"On {010} (?)","Poor\u002FIndistinct","Conchoidal,Sub-Conchoidal","brittle","Isotropic","2.1","2.2","pegmatites","Samarskite Group.\r\n\r\nThe Y analogue of samarskite-(Yb).\r\nThe Fe(III) analogue of shakhdaraite-(Y).\r\n\r\nDue to cation ordering Fe is written separately in the formula; it is an essential cation.\r\n\r\n\"...first example of cation-ordered niobate structurally...","Named in honor of Colonel Vasilii Yevgrafovich Samarskii-Bykhovets (Васи́лий Евгра́фович Сама́рский-Быховец) (7 November 1803 – 31 May 1870), Russian mining engineer and Chief of Staff of the Russian Corps of Mining Engineers, for granting access to some mineral samples for study. The element samarium, isolated from the mineral, is thus also named after him.","2026-03-02 15:12:49",[80],{"id":81,"name":82,"entrytype":49,"csystem":11,"ima_formula":11,"mindat_formula":83,"hmin":84,"hmax":84,"dmeas":85,"dcalc":43,"primary_image_id":11},29535,"Titanium-bearing Samarskite-(Y)","YFe\u003Csup>3+\u003C\u002Fsup>(Nb,Ti)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>",6.5,"5.24",[87,94,100,108,113],{"id":88,"name":89,"entrytype":9,"csystem":90,"ima_formula":91,"mindat_formula":92,"hmin":37,"hmax":52,"dmeas":93,"dcalc":43,"primary_image_id":11},7962,"Calciosamarskite","Orthorhombic","(Ca,Fe,Y)(Nb,Ta,Ti)O\u003Csub>4\u003C\u002Fsub>","(Ca,U\u003Csup>4+\u003C\u002Fsup>)Fe\u003Csup>3+\u003C\u002Fsup>(Nb,Ta,Ti)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","4.48",{"id":95,"name":96,"entrytype":9,"csystem":36,"ima_formula":97,"mindat_formula":98,"hmin":37,"hmax":52,"dmeas":99,"dcalc":43,"primary_image_id":11},2050,"Ishikawaite","(U,Fe,Y)NbO\u003Csub>4\u003C\u002Fsub>","U\u003Csup>4+\u003C\u002Fsup>Fe\u003Csup>2+\u003C\u002Fsup>Nb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","6.2",{"id":101,"name":102,"entrytype":9,"csystem":36,"ima_formula":103,"mindat_formula":104,"hmin":37,"hmax":52,"dmeas":105,"dcalc":106,"primary_image_id":107},27449,"Samarskite-(Yb)","YbNbO\u003Csub>4\u003C\u002Fsub>","YbFe\u003Csup>3+\u003C\u002Fsup>(Nb,Ta)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","7.03","7.079",21480,{"id":109,"name":110,"entrytype":9,"csystem":36,"ima_formula":111,"mindat_formula":111,"hmin":37,"hmax":37,"dmeas":11,"dcalc":112,"primary_image_id":11},55036,"Shakhdaraite-(Y)","ScYNb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","5.602",{"id":114,"name":115,"entrytype":9,"csystem":90,"ima_formula":116,"mindat_formula":116,"hmin":37,"hmax":117,"dmeas":118,"dcalc":43,"primary_image_id":119},4373,"Yttrotantalite-(Y)","(Y,U,Fe\u003Csup>2+\u003C\u002Fsup>)(Ta,Nb)(O,OH)\u003Csub>4\u003C\u002Fsub>",5.5,"5.5",28564,[121,128],{"id":122,"name":123,"entrytype":9,"csystem":90,"ima_formula":124,"mindat_formula":124,"hmin":37,"hmax":52,"dmeas":125,"dcalc":126,"primary_image_id":127},37,"Aeschynite-(Ce)","Ce(TiNb)O\u003Csub>6\u003C\u002Fsub>","5.19","5.617",17723,{"id":129,"name":130,"entrytype":9,"csystem":36,"ima_formula":131,"mindat_formula":131,"hmin":37,"hmax":117,"dmeas":55,"dcalc":132,"primary_image_id":133},2751,"Monazite-(Ce)","Ce(PO\u003Csub>4\u003C\u002Fsub>)","5.26",16555,[135],{"id":109,"name":110,"entrytype":9,"csystem":36,"ima_formula":111,"mindat_formula":111,"hmin":37,"hmax":37,"dmeas":11,"dcalc":112,"primary_image_id":11},[137],{"id":138,"txt":139,"latitude":140,"longitude":141,"country":142},8765,"Pit No. 50 (Blyumovskaya Pit; Blum Pit), Ilmen Mountains, Chelyabinsk Oblast, Russia",55.0169444,60.1930556,"Russia",294,[145,149,153,156,160,164,168,172,177,181,184,187,191,195,199,203,207,211,216,220,223,227,231,234,238,243,247,252,257,261,266,271,275,280,284],{"id":146,"year":147,"html":148,"doi":11},16122499,1839,"Rose (1839) Ann. Phys.: 48: 555 (as uranotantal).",{"id":150,"year":151,"html":152,"doi":11},16122500,1847,"Rose, H. (1847) Ueber die Zusammensetzung des Uranotantals und des Columbits vom Ilmengebirge in Sibirien. Annalen der Physik und Chemie: 71: 157-169. (as samarskit [Uranniobit])",{"id":154,"year":151,"html":155,"doi":11},16122501,"Hermann (1847) J. pr. Chem.: 42: 129 (as Yttroilmenite).",{"id":157,"year":158,"html":159,"doi":11},16122502,1848,"Hermann (1848) J. pr. Chem.: 44: 216.",{"id":161,"year":162,"html":163,"doi":11},16122503,1876,"Dana, Edward Salisbury (1876) On the samarskite, Mitchell County, North Carolina. American Journal of Science: 11: 201-204.",{"id":165,"year":166,"html":167,"doi":11},16122504,1881,"Brögger (1881) Geol. För. Förh.: 5: 354 (as Ånnerödite).",{"id":169,"year":170,"html":171,"doi":11},15464585,1906,"Brøgger, W. C. (1906) Die Mineralien der Südnorwegischen Granit-Pegmatitgänge - I. Niobate, Tantalate, Titanate und Titanoniobate [The minerals of the South Norwegian granite pegmatite dikes - I. Niobates, tantalates, titanates and titanoniobates]. \u003Ci>Videnskabsselskabet i Christiania Skrifter - I Mathematisk-naturvidenskabelig klasse\u003C\u002Fi>,  1906 (6). 1-162",{"id":173,"year":174,"html":175,"doi":176},400363,1926,"Tschernick, Georges (1926) Recherches sur la composition chimique de deux minéraux de Madagascar, l'ampangabéite et la columbite. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  49 (3) 127-135 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1926.4307'>doi:10.3406\u002Fbulmi.1926.4307\u003C\u002Fa>","10.3406\u002Fbulmi.1926.4307",{"id":178,"year":179,"html":180,"doi":11},16122508,1928,"Fenner, C.N. (1928) Radioactive minerals from Divino de Uba, Brazil. American Journal of Science: 16: 382-391.",{"id":182,"year":179,"html":183,"doi":11},16873731,"Ellsworth, H. V. (1928) A mineral related to samarskite from the Woodcox mine, Hybla, Ontario. \u003Ci>American Mineralogist\u003C\u002Fi>,  13 (2) 63-65 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM13\u002FAM13_63.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":185,"year":179,"html":186,"doi":11},16873732,"Ellsworth, H. V. (1928) A mineral related to samarskite from Parry Sound, Ontario. \u003Ci>American Mineralogist\u003C\u002Fi>,  13 (2) 66-68 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM13\u002FAM13_66.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":188,"year":189,"html":190,"doi":11},16122509,1930,"Hess, Frank L., Wells, Roger Clark (1930) Samarskite from Petaca, New Mexico. American Journal of Science: 19: 17-26.",{"id":192,"year":193,"html":194,"doi":11},16103008,1932,"Machatschki (1932), Chem. Erde: 7: 72.",{"id":196,"year":197,"html":198,"doi":11},1118651,1944,"Palache, Charles, Berman, Harry, Frondel, Clifford (1944) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.",{"id":200,"year":201,"html":202,"doi":11},15967249,1946,"Murdoch, Joseph (1946), Nuevite, a new rare-earth mineral from California (abstract): Geological Society of America Bulletin: 57: 1219",{"id":204,"year":205,"html":206,"doi":11},524455,1951,"Murdoch, Joseph (1951) Notes on California Minerals: nuevite=samarskite; trona and hanksite; gaylussite. \u003Ci>American Mineralogist\u003C\u002Fi>,  36 (3-4) 358-361 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM36\u002FAM36_358.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":208,"year":209,"html":210,"doi":11},16122514,1958,"Lima de Faria, J. (1958) Heat treatment of metamict euxenites, polymignites, yttrotantalites, samarskites, pyrochlores, and allanites. Mineralogical Museum, section of the Junta de Investigações do Ultramar: 3R: 937-942.",{"id":212,"year":213,"html":214,"doi":215},401161,1960,"Van Wambeke, L. (1960) Étude comparative de l'ampangabéite et de la samarskite. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  83 (10) 295-309 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1960.5430'>doi:10.3406\u002Fbulmi.1960.5430\u003C\u002Fa>","10.3406\u002Fbulmi.1960.5430",{"id":217,"year":218,"html":219,"doi":11},16122516,1969,"Kuz'menko, M.V., Akelin, N.A., Sokolova, R.I. (1969) Regularities of the distribution of tantalum and niobium in endocontact pegmatite and the parent granites. In Features of the Distribution of Rare Elements in Pegmatites. Izdat. Nauka, Moscow, 44-78. (in Russian, khlopinite identical with samarskite)",{"id":221,"year":28,"html":222,"doi":11},16122517,"Mineralogical Magazine (1980): 43: 1054.",{"id":224,"year":225,"html":226,"doi":11},527755,1983,"Keller, Ludwig, Wagner, C. N. J. (1983) Diffraction analysis of metamict samarskite. \u003Ci>American Mineralogist\u003C\u002Fi>,  68 (3-4) 459-465 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM68\u002FAM68_459.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":228,"year":229,"html":230,"doi":11},527909,1984,"Sugitani, Yoshinori, Suzuki, Yoshihisa, Nagashima, Kozo (1984) Recovery of the original samarskite structure by heating in a reducing atmosphere. \u003Ci>American Mineralogist\u003C\u002Fi>,  69 (3-4) 377-379 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM69\u002FAM69_377.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":232,"year":229,"html":233,"doi":11},527992,"Keller, Ludwig (1984) Diffraction study of annealing of metamict samarskite. \u003Ci>American Mineralogist\u003C\u002Fi>,  69 (9-10) 954-960 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM69\u002FAM69_954.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":235,"year":236,"html":237,"doi":11},528140,1985,"Sugitani, Yoshinori, Suzuki, Yoshihisa, Nagashima, Kozo (1985) Polymorphism of samarskite and its relationship to other structurally related Nb-Ta oxides with the α-PbO2 structure. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (7-8) 856-866 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_856.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":239,"year":240,"html":241,"doi":242},16122520,1988,"Lumpkin, G. R.; Ewing, R. C.; Eyal, Y. (1988) Preferential leaching and natural annealing of alpha-recoil tracks in metamict betafite and samarskite. \u003Ci>Journal of Materials Research\u003C\u002Fi>,  3 (2). 357-368 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1557\u002Fjmr.1988.0357'>doi:10.1557\u002Fjmr.1988.0357\u003C\u002Fa>","10.1557\u002Fjmr.1988.0357",{"id":244,"year":245,"html":246,"doi":11},529452,1993,"Warner, Julie K., Ewing, Rodney C. (1993) Crystal chemistry of samarskite. \u003Ci>American Mineralogist\u003C\u002Fi>,  78 (3-4) 419-424 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM78\u002FAM78_419.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":248,"year":249,"html":250,"doi":251},482646,1995,"Pinckston, D. Robert, Smith, Dorian G. W. (1995) Mineralogy of the Lake zone, Thor Lake rare-metals deposit, N.W.T., Canada. \u003Ci>Canadian Journal of Earth Sciences\u003C\u002Fi>,  32 (4) 516-532 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1139\u002Fe95-044'>doi:10.1139\u002Fe95-044\u003C\u002Fa>","10.1139\u002Fe95-044",{"id":253,"year":254,"html":255,"doi":256},1257,1999,"Hanson, S. L., Simmons, W. B., Falster, A. U., Foord, E. E., Lichte, F. E. (1999) Proposed nomenclature for samarskite-group minerals: new data on ishikawaite         and calciosamarskite. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  63 (1) 27-36 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F002646199548286'>doi:10.1180\u002F002646199548286\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_63\u002F63-1-27.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002F002646199548286",{"id":258,"year":259,"html":260,"doi":11},16967129,2005,"(2005) Samarskite-(Y). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fsamarskite-Y.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":262,"year":263,"html":264,"doi":265},128952,2010,"Tomašić, Nenad, Gajović, Andreja, Bermanec, Vladimir, Linarić, Maša, Rajić Su, Dangsheng Š koda (2010) Preservation of the samarskite structure in a metamict ABO4 mineral: a key to crystal structure identification. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  22 (3) 435-442 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2010\u002F0022-2032'>doi:10.1127\u002F0935-1221\u002F2010\u002F0022-2032\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2010\u002F0022-2032",{"id":267,"year":268,"html":269,"doi":270},398155,2016,"Capitani, Gian Carlo, Mugnaioli, Enrico, Guastoni, Alessandro (2016) What is the actual structure of samarskite-(Y)? A TEM investigation of metamict samarskite from the Garnet Codera dike pegmatite (Central Italian Alps) \u003Ci>American Mineralogist\u003C\u002Fi>,  101 (7) 1679-1690 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2016-5605'>doi:10.2138\u002Fam-2016-5605\u003C\u002Fa>","10.2138\u002Fam-2016-5605",{"id":272,"year":273,"html":274,"doi":11},17122154,2017,"Kjellman, Johan (2017) ABC2O8 – a new look on the crystal chemistry and classification of samarskite group minerals, in \u003Ci>PEG2017. 8th International Symposium on Granitic Pegmatites\u003C\u002Fi>. \u003Ci>NGF Abstracts and Proceedings of the Geological Society of Norway\u003C\u002Fi>,  2017 (2) 64-67",{"id":276,"year":277,"html":278,"doi":279},154359,2019,"Britvin, Sergey N., Pekov, Igor V., Krzhizhanovskaya, Maria G., Agakhanov, Atali A., Ternes, Bernd, Schüller, Willi, Chukanov, Nikita V. (2019) Redefinition and crystal chemistry of samarskite-(Y), YFe\u003Csup>3+\u003C\u002Fsup>Nb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>: cation-ordered niobate structurally related to layered double tungstates. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  46 (7) 727-741 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-019-01034-0'>doi:10.1007\u002Fs00269-019-01034-0\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FPCM46_727.pdf' class='refpdflink'>\u003C\u002Fa>","10.1007\u002Fs00269-019-01034-0",{"id":281,"year":282,"html":283,"doi":11},16113028,2020,"Britvin, S.N., Pekov, I.V., Krzhizhanovskaya, M.G., Agakhanov, A.A., Ternes, B., Schüller, W., Chukanov, N.V. (2020): Samarskite-(Y) YFe\u003Csup>3+\u003C\u002Fsup>Nb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>: the history of discovery and studies of the first niobate with a double wolframite structure. Mineralogy: 6: 27-37.",{"id":285,"year":286,"html":287,"doi":288},19668984,2025,"Zamiatina, Daria A.; Mandrygina, Darya A.; Mikhaylovskaya, Zoya A.; Bulatov, Vladislav A.; Medvedeva, Elena V.; Zamyatin, Dmitry A. (2025) Metamict fergusonite-(Y) and samarskite-(Y) from the Ilmeny mountains (South urals, Russia): secondary alterations and thermal annealing. \u003Ci>Mineralogy and Petrology\u003C\u002Fi>,  120 (1). 35-54 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00710-025-00954-w'>doi:10.1007\u002Fs00710-025-00954-w\u003C\u002Fa>","10.1007\u002Fs00710-025-00954-w",[290,300,308,318,328,337,345,353,363,371,380],{"id":291,"source_url":292,"license_code":293,"credit_html":294,"title":295,"description":296,"author":297,"original_width":298,"original_height":299},21478,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=4112345","Public domain","Photograph by Andrew Silver., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=4112345\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite-fresh.jpg","Samarskite, fresh surface. Pen for scale. \nMineral collection of Brigham Young University Department of Geology, Provo, Utah. BYU index 4-8033, (FeYU)_2(NbTiTa)_2O_7.","Photograph by Andrew Silver.",1400,1050,{"id":301,"source_url":302,"license_code":293,"credit_html":303,"title":304,"description":305,"author":306,"original_width":298,"original_height":307},21479,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=4112367","Photograph by Andrew Silver, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=4112367\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite.jpg","Samarskite. Mitchell County, North Carolina. Mineral collection of Brigham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 4-8032, (FeYU)_2(NbTiTa)_2O_7.","Photograph by Andrew Silver",1071,{"id":309,"source_url":310,"license_code":311,"credit_html":312,"title":313,"description":314,"author":315,"original_width":316,"original_height":317},21485,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163475322","CC0 1.0","Twyla Baker, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163475322\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite (GeoDIL number - 176).jpg","Samarskite is a rare earth oxide mineral, (Y,Ce,U,Fe)3(Nb,Ta,Ti)5O16. It is found in rare-earth-rich granites and granitic pegmatites. Although it is slightly radioactive, samarskite is sometimes cut and polished as a gemstone. This sample is 6 cm across.","Twyla Baker",2266,1556,{"id":319,"source_url":320,"license_code":321,"credit_html":322,"title":323,"description":324,"author":325,"original_width":326,"original_height":327},14087,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118185026","CC BY-SA 2.0","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118185026\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite (Rogersite) (47975481287).jpg","\u003Cp>Mitchell County\n\u003C\u002Fp>\nNorth Carolina, USA","Pacific Museum of Earth from Canada",4000,6000,{"id":107,"source_url":329,"license_code":330,"credit_html":331,"title":332,"description":333,"author":334,"original_width":335,"original_height":336},"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137938","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137938\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite-(Y)-75446.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSamarskite\" class=\"extiw\" title=\"en:Samarskite\">Samarskite-(Y)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Spinelli Quarry (Spinelli prospect), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSouth_Glastonbury_Historic_District\" class=\"extiw\" title=\"en:South Glastonbury Historic District\">South Glastonbury\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGlastonbury\" class=\"extiw\" title=\"en:Glastonbury\">Glastonbury\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHartford_County,_Connecticut\" class=\"extiw\" title=\"en:Hartford County, Connecticut\">Hartford County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FConnecticut\" class=\"extiw\" title=\"en:Connecticut\">Connecticut\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4565.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A lustrous, 3 x 3 x 2.5 cm miniature of samarskite crystals. The Spinelli quarry (or prospect) gained recognition from early geochronology studies of U, Th & Pb isotopes, which estimated the age of this pegmatite at 260±3 million years. Identity of this particular specimen was confirmed in 2004 by x-ray analysis at the University of New Orleans. Acquired 1982 through Ward’s (Rochester, NY), ex Richard Schooner collection. 3.1 x 2.7 x 2.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",303,400,{"id":338,"source_url":339,"license_code":330,"credit_html":340,"title":341,"description":342,"author":334,"original_width":343,"original_height":344},21481,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168896","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10168896\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite-(Y)-259507.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSamarskite\" class=\"extiw\" title=\"en:Samarskite\">Samarskite-(Y)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Bird Rock claim (Bird Rock deposit; W. M. Keenan), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLawson_Peak\" class=\"extiw\" title=\"en:Lawson Peak\">Lawson Peak\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSan_Diego_County,_California\" class=\"extiw\" title=\"en:San Diego County, California\">San Diego County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-91141.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.8 x 2.7 x 1.6 cm.\u003C\u002Fdd>\n\u003Cdd>This one threw me for a loop and I had to ask...it has been analyzed, by the way, to confirm it. It is a verified, bizarrely-crystallized samarskite from San Diego. It is the only one I know of, and is in form unlike any other samarskite I have seen. Leo was a major San Diego area collector, known for his breadth of local specimens. Ex. Chuck Houser and Leo Horensky Collections.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",513,800,{"id":346,"source_url":347,"license_code":330,"credit_html":348,"title":349,"description":350,"author":334,"original_width":351,"original_height":352},21482,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170196","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170196\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite-(Y)-Columbite-266268.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSamarskite\" class=\"extiw\" title=\"en:Samarskite\">Samarskite-(Y)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FColumbite\" class=\"extiw\" title=\"en:Columbite\">Columbite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDivin%C3%A9sia\" class=\"extiw\" title=\"en:Divinésia\">Divinésia (ex-Divino de Ubá)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMinas_Gerais\" class=\"extiw\" title=\"en:Minas Gerais\">Minas Gerais\u003C\u002Fa>, Southeast Region, Brazil (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-398.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.4 x 1.4 x 1.2 cm.\u003C\u002Fdd>\n\u003Cdd>Samarskite is an uncommon rare-earth oxide found in pegmatites. This is an excellent and very fine combination specimen from the much less well-known Divino de Uba pegmatite of Brazil. A sharp tan, orthorhombic, parallel-growth samarskite crystal hosts parallel slivers of lustrous, metallic columbite crystals. The samarskite crystal is pristine. Ex, Don Boydston Collection and accompanied by a 1950s-1960s-era Burminco label. A rare and seldom available combination piece from this less common locale.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",310,600,{"id":354,"source_url":355,"license_code":356,"credit_html":357,"title":358,"description":359,"author":360,"original_width":361,"original_height":362},21483,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=11367579","CC BY 3.0","Kelly Nash, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=11367579\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite-(Y) - Yancey Co, North Carolina, USA.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSamarskite-(Y)\" class=\"extiw\" title=\"en:Samarskite-(Y)\">Samarskite-(Y)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Tom Ross Mine, Yancey County, North Carolina, USA\u003C\u002Fdd>\n\u003Cdd>Samarskite-Y, cluster of crystals, 3.3 x 2.8 x 1.7 cm. Label says from Tom Ross Mine in Yancey Co., North Carolina. Ex-Richard Hauck Collection. Quite radioactive (about 0.9 millirems\u002Fhr.) K. Nash specimen and image.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Kelly Nash",750,748,{"id":364,"source_url":365,"license_code":330,"credit_html":366,"title":367,"description":368,"author":334,"original_width":369,"original_height":370},21484,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=22187695","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=22187695\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite-(Y)-351417.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSamarskite\" class=\"extiw\" title=\"en:Samarskite\">Samarskite-(Y)\u003C\u002Fa> (Size: 4.6 x 4.6 x 3.0 cm)\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Setesdal, Aust-Agder, Norway\u003C\u002Fdd>\n\u003Cdd>A large, 3-dimensional, robust crystal of this very complex rare earth element containing species with niobium and tantalum in addition to uranium and other oddities mixed in. This is an older specimen, undoubtedly. Al obtained it in 1967 and it is labeled \"Setesdal\" although we cannot find a reference to this locality. It may instead be from a nearby and known location, as Setesdal seems to be a valley district and not a specific mine name. However, Bernard and Hyrsl’s “Minerals and their Localities” does include a listing for Setesdal. Ex. Al Ordway Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",768,867,{"id":372,"source_url":373,"license_code":311,"credit_html":374,"title":375,"description":376,"author":377,"original_width":378,"original_height":379},21486,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=50652116","Raúl Jorge Tauber Larry, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=50652116\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite-(Yb)-474889.jpg","Samarskite(Yb).\n\u003Cp>Dimensions: 1 cm x 0.7 cm x 0.4 cm\nFrom \"Patsy\" Pegmatite, South Platte Pegmatite District, Jefferson County, Colorado, U.S.A.\n\u003C\u002Fp>\nRaúl Jorge Tauber Larry´s collection.","Raúl Jorge Tauber Larry",499,471,{"id":381,"source_url":382,"license_code":321,"credit_html":383,"title":384,"description":385,"author":325,"original_width":326,"original_height":327},28064,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118185003","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118185003\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Samarskite (Wiikite) (47975535621).jpg","Impitahti, USSR",[387,393],{"id":388,"url":389,"label":390,"formula":391,"spacegroup":392,"year":277},12352,"\u002Fcif\u002F12352.cif","Britvin 2019 · Y.25 La.01 Ce.03 Nd.02 Sm.01 Gd.01 Dy.04 Ho.01 Er.02 Yb.03 Th.37 U.13 Ca.03 Fe.73 Mn.18 (Nb1.84 Ti.06 Zr.06 Ta.02 W.02) O8","Y.25 La.01 Ce.03 Nd.02 Sm.01 Gd.01 Dy.04 Ho.01 Er.02 Yb.03 Th.37 U.13 Ca.03 Fe.73 Mn.18 (Nb1.84 Ti.06 Zr.06 Ta.02 W.02) O8","P 1 2\u002Fc 1",{"id":394,"url":395,"label":396,"formula":397,"spacegroup":392,"year":277},12354,"\u002Fcif\u002F12354.cif","Britvin 2019 · Y.61 Ce.01 Nd.01 Sm.02 Gd.02 Dy.05 Ho.02 Er.03 Tm.01 Yb.03 Th.06 Fe.88 Mn.08 Nb1.64 Ta.24 Ti.16 O8","Y.61 Ce.01 Nd.01 Sm.02 Gd.02 Dy.05 Ho.02 Er.03 Tm.01 Yb.03 Th.06 Fe.88 Mn.08 Nb1.64 Ta.24 Ti.16 O8",[399,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415,416,417],"Adelfolit","Adelfolita","Adelfolite","Adelpholit","Adelpholita","Adelpholite","Ampangabéit","Ampangabéita","Ampangabéite","Eytlandite","Hydroeuxenite","Hydrosamarskite","Nuevit","Nuevita","Nuevite","Samarskiet-(Y)","Uranoniobit (of Rose)","Uranotantal","Uranotantalite",[419,423,427,432,440,444,450,453,457,461,465,469,472,478,483,489,493,497,501,504,507,511,514,517,522,527,530],{"lang":420,"names":421},"ar",[422],"سامارسكيت",{"lang":424,"names":425},"be-tarask",[426],"самарскіт",{"lang":428,"names":429},"ca",[430,431],"Samarskita-","samarskita-(Y)",{"lang":433,"names":434},"de",[399,402,405,411,435,436,437,438,416,439],"Samarskit","Samarskit-","Samarskit-(Y)","Samarskit-Y","Yttroilmenit",{"lang":441,"names":442},"el",[443],"Σαμαρσκίτης",{"lang":445,"names":446},"es",[447,448,449],"Samarskita","Samarskita-(Y)","Samarskita-(Yb)",{"lang":451,"names":452},"eu",[430,448],{"lang":454,"names":455},"fi",[456],"Samarskiitti",{"lang":458,"names":459},"fr",[460],"samarskite",{"lang":462,"names":463},"hu",[464],"Szamarszkit",{"lang":466,"names":467},"hy",[468],"Սամարսկիտ",{"lang":470,"names":471},"id",[436,7],{"lang":473,"names":474},"it",[475,476,477],"Samarskite","Samarskite-","samarskite-(Y)",{"lang":479,"names":480},"ja",[481,482],"サマルスカイト","サマルスキー石",{"lang":484,"names":485},"ko",[475,486,487,488],"사마르스카이트","사마스카이트","새마르스카이트",{"lang":490,"names":491},"nb",[492],"Samarskitt",{"lang":494,"names":495},"nl",[496],"samarskiet",{"lang":498,"names":499},"nn",[500],"samarskitt",{"lang":502,"names":503},"no",[492],{"lang":505,"names":506},"pt",[447,475],{"lang":508,"names":509},"ru",[510],"Самарскит",{"lang":512,"names":513},"sv",[435],{"lang":515,"names":516},"tr",[435],{"lang":518,"names":519},"uk",[520,521],"Адельфоліт","Самарськіт",{"lang":523,"names":524},"zh",[525,526],"鈮釔礦","铌钇矿",{"lang":528,"names":529},"zh-cn",[526],{"lang":531,"names":532},"zh-hans",[526],"Q417648",{"history":11,"applications":11}]