[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:6867":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":23,"key_elements":24,"impurities":25,"cim":11,"ima_status":26,"ima_notes":29,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":31,"strunz10ed1":32,"strunz10ed2":33,"strunz10ed3":34,"strunz10ed4":35,"dana8ed1":36,"dana8ed2":37,"dana8ed3":38,"dana8ed4":39,"csystem":40,"cclass":41,"spacegroup":42,"spacegroupset":43,"a":44,"b":45,"c":46,"alpha":47,"beta":48,"gamma":47,"aerror":49,"berror":50,"cerror":49,"alphaerror":11,"betaerror":49,"gammaerror":11,"va3":11,"z":50,"csmetamict":14,"commentcrystal":51,"twinning":52,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":53,"hmin":41,"hmax":54,"hardtype":11,"vhnmin":47,"vhnmax":47,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":55,"dmeas2":56,"dcalc":57,"dmeaserror":11,"dcalcerror":11,"commentdense":58,"lustre":59,"lustretype":60,"commentluster":61,"diapheny":11,"streak":11,"colour":62,"commentcolor":63,"colors":64,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":66,"tenacity":67,"commentbreak":11,"opticaltype":68,"opticalsign":69,"opticalalpha":70,"opticalalpha2":71,"opticalalphaerror":11,"opticalbeta":72,"opticalbeta2":47,"opticalbetaerror":11,"opticalgamma":73,"opticalgamma2":47,"opticalgammaerror":11,"opticalomega":47,"opticalomega2":47,"opticalomegaerror":11,"opticalepsilon":47,"opticalepsilon2":47,"opticalepsilonerror":11,"opticaln":47,"opticaln2":47,"opticalnerror":11,"optical2vcalc":47,"optical2vcalc2":47,"optical2vcalcerror":11,"optical2vmeasured":47,"optical2vmeasured2":47,"optical2vmeasurederror":11,"rimin":74,"rimax":75,"opticaldispersion":76,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":77,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":78,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":79,"otheroccurrence":11,"type_specimen_store":11,"description_short":80,"aboutname":81,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":82,"reviewed_at":11,"variety_of":11,"varieties":83,"group_members":84,"associates":121,"confused_with":122,"type_localities":129,"occurrence_total":134,"citations":135,"images":226,"structures":237,"synonyms":254,"language_names":258,"wikidata_qid":294,"texts":295},6867,"1:1:6867:9","c4572a54-402b-4558-a7b4-08f137a169ee","Chevkinite-(Ce)","Cvk-Ce",0,"mineral",null,51417,1437,false,"Ce\u003Csub>4\u003C\u002Fsub>(Ti,Fe\u003Csup>2+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>5\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>","Also given as \u003Cf>(Ce,La,Ca,Th)^4(Fe#2+#,Mg)(Fe#2+#,Ti,Fe#3+#)^2(Ti,Fe#3+#)^2(Si^2O^7)^2O^8\u003C\u002Ff>.",[18,19,20,21,22],"Ce","Fe","Si","Ti","O",[18,20,21,22],[18,21],"Ca,Nb,Mg,Th,Sr,Zr",[27,28],"APPROVED","GRANDFATHERED",[30],"RENAMED","1839","9","B","E","70","56","2","8","1","Monoclinic",5,14,"P21\u002Fa","13.370","5.660","11.280","0","100.87",3,2,"Some material is metamict.","Twin plane {001}.","Crystals up to 5 cm.",5.5,"4.53","4.67","4.99","Density data from www.handbookofmineralogy.org","Earthy","Resinous,Sub-Metallic","Strong sub-metallic to waxy","Black","Red to orange-brown inner reflections",[65],"black","Conchoidal","brittle","Biaxial","-","1.967","1.973","2.02","2.05",1.967,2.05,"r \u003C v; distinct to strong","Absorption: Z > Y > X.","Z ∧ c = 11°-26°.","Aegirine-quartz-feldspar pegmatites.","Easily confused with perrierite-(Ce).\r\n\r\nMay bear some Ti3+ that may be related to Nb(V) enrichment (Stachowicz, 2019).","Named in 1839 by Gustav Rose in honor of Konstantin Vladimirovich Chevkin (Константин Владимирович Чевкин) (26 April 1803, Kamianets-Podolsk, Ukraine - 3 November 1875, Nice France), Chief of Staff of the Russian Corps of Mining Engineers.  Originally named simply chevkinite, the suffix was added by the IMA in 1987 to follow the Levinson rule for denoting the dominant rare-earth element.","2025-08-11 12:14:27",[],[85,93,99,107,114],{"id":86,"name":87,"entrytype":9,"csystem":40,"ima_formula":88,"mindat_formula":89,"hmin":90,"hmax":90,"dmeas":91,"dcalc":92,"primary_image_id":11},42733,"Christofschäferite-(Ce)","(Ce,La,Ca)\u003Csub>4\u003C\u002Fsub>Mn(Ti,Fe)\u003Csub>3\u003C\u002Fsub>(Fe,Ti)(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","Ce\u003Csub>3\u003C\u002Fsub>CaMnTiFe\u003Csup>3+\u003C\u002Fsup>Ti\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub> ",6,"4.8","4.85",{"id":94,"name":95,"entrytype":9,"csystem":40,"ima_formula":96,"mindat_formula":97,"hmin":11,"hmax":11,"dmeas":11,"dcalc":98,"primary_image_id":11},51415,"Delhuyarite-(Ce)","Ce\u003Csub>4\u003C\u002Fsub>Mg(Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>W)&#9723;(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","Ce\u003Csub>4\u003C\u002Fsub>Mg(Fe\u003Csup>3+\u003C\u002Fsup>,W)\u003Csub>3\u003C\u002Fsub>&#9723;(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","5.20",{"id":100,"name":101,"entrytype":9,"csystem":40,"ima_formula":102,"mindat_formula":103,"hmin":90,"hmax":90,"dmeas":104,"dcalc":105,"primary_image_id":106},27437,"Dingdaohengite-(Ce)","(Ce,La)\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>(Ti,Fe\u003Csup>2+\u003C\u002Fsup>,Mg,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>","(Ce,La)\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>(Ti,Fe\u003Csup>2+\u003C\u002Fsup>,Mg,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","4.83","4.88",7232,{"id":108,"name":109,"entrytype":9,"csystem":40,"ima_formula":110,"mindat_formula":111,"hmin":41,"hmax":54,"dmeas":112,"dcalc":113,"primary_image_id":11},27512,"Maoniupingite-(Ce)","(Ce,Ca)\u003Csub>4\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>,Ti,Fe\u003Csup>2+\u003C\u002Fsup>,&#9723;)(Ti,Fe\u003Csup>3+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>,Nb)\u003Csub>4\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>","(Ce,Ca)\u003Csub>4\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>,Ti,Fe\u003Csup>2+\u003C\u002Fsup>,&#9723;)(Ti,Fe\u003Csup>3+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>,Nb)\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","4.63","4.81",{"id":115,"name":116,"entrytype":9,"csystem":40,"ima_formula":117,"mindat_formula":118,"hmin":54,"hmax":90,"dmeas":119,"dcalc":120,"primary_image_id":11},10397,"Polyakovite-(Ce)","(Ce,Ca)\u003Csub>4\u003C\u002Fsub>MgCr\u003Csub>2\u003C\u002Fsub>(Ti,Nb)\u003Csub>2\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>","(Ce,Ca)\u003Csub>4\u003C\u002Fsub>(Mg,Fe\u003Csup>2+\u003C\u002Fsup>)(Cr\u003Csup>3+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>(Ti,Nb)\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","4.75","5.05",[],[123],{"id":124,"name":125,"entrytype":9,"csystem":40,"ima_formula":126,"mindat_formula":127,"hmin":54,"hmax":54,"dmeas":47,"dcalc":47,"primary_image_id":128},3168,"Perrierite-(Ce)","Ce\u003Csub>4\u003C\u002Fsub>MgFe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>","Ce\u003Csub>4\u003C\u002Fsub>MgFe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>",19118,[130],{"id":131,"txt":132,"latitude":11,"longitude":11,"country":133},25877,"Pit No. 17, Ilmen Mountains, Chelyabinsk Oblast, Russia","Russia",104,[136,139,143,147,151,155,159,163,167,171,175,180,184,189,194,199,204,208,212,216,221],{"id":137,"year":11,"html":138,"doi":11},16914024,"Bagiński, B., Macdonald, R., Stachowicz, M., Jokubauskas, P., Kotowski, J,. Matyszczak, W., Harlov, D. (2023): Growth of ThSiO\u003Csub>4\u003C\u002Fsub> phases during experiments as a result of interaction of hydrothermal fluids with chevkinite-(Ce): element mobility, textural features and variable crystal structure. 9th Meeting of the Mineralogical Society of Poland \u002F 28th Meeting of the Petrology group of the Mineralogical Society of Poland, \"Oceanic lithosphere: rocks, minerals, and critical resources\", October 19-22, Bielawa, Poland. Mineralogia - Special Papers, 51, 36.",{"id":140,"year":141,"html":142,"doi":11},16130315,1842,"Rose, G. (1842) 38. Tschewkinit. Mineralogisch-Geognostische Reise nach dem Ural, dem Altai und dem Kaspischen Meere, 2, 513-514.",{"id":144,"year":145,"html":146,"doi":11},16109739,1928,"Foshag, W.F. (1928) New mineral names. American Mineralogist: 13: 491-494.",{"id":148,"year":149,"html":150,"doi":11},16130317,1966,"Bonatti, S., Gottardi, G. (1966) Un caso di polimorfismo a strati in sorosilicati: perrierite e chevkinite. Periodico di Mineralogia – Roma pp. 69-91.",{"id":152,"year":153,"html":154,"doi":11},524745,1967,"Ito, Jun (1967) A study of chevkinite arid perrierite. \u003Ci>American Mineralogist\u003C\u002Fi>,  52 (7-8) 1094-1104 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM52\u002FAM52_1094.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":156,"year":157,"html":158,"doi":11},526386,1974,"Calvo, Crispin, Faggiani, and R. (1974) A re-investigation of the crystal structures of chevkinite and perrierite. \u003Ci>American Mineralogist\u003C\u002Fi>,  59 (11-12) 1277-1285 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM59\u002FAM59_1277.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":160,"year":161,"html":162,"doi":11},528365,1987,"Nickel, Ernest H., Mandarino, Joseph A. (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. \u003Ci>American Mineralogist\u003C\u002Fi>,  72 (9-10) 1031-1042 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM72\u002FAM72_1031.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":164,"year":165,"html":166,"doi":11},16771788,1990,"Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (1990) \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineral Data Publishing, Tucson, Arizona.",{"id":168,"year":169,"html":170,"doi":11},16130970,1995,"Jambor, John L., Puziewirz, Jacek, Roberts, Andrew C. (1995) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  80. 1328-1333 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fmsa\u002Fammin\u002Ftoc\u002FArticles_Free\u002F1995\u002FJambor_p1328-1333_95.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":172,"year":173,"html":174,"doi":11},16963648,2001,"(2001) Chevkinite-(Ce). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fchevkinite-Ce.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":176,"year":177,"html":178,"doi":179},128155,2002,"Yang, Zhuming, Fleck, Michel, Smith, Martin, Tao, Kejie, Song, Renkui, Zhang, Peishan (2002) The crystal structure of natural Fe-rich chevkinite-(Ce) \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  14 (5) 969-975 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2002\u002F0014-0969'>doi:10.1127\u002F0935-1221\u002F2002\u002F0014-0969\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2002\u002F0014-0969",{"id":181,"year":177,"html":182,"doi":183},243402,"Macdonald, R., Belkin, H. E. (2002) Compositional variation in minerals of the chevkinite group. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  66 (6) 1075-1098 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F0026461026660078'>doi:10.1180\u002F0026461026660078\u003C\u002Fa>","10.1180\u002F0026461026660078",{"id":185,"year":186,"html":187,"doi":188},63986,2004,"Sokolova, E., Hawthorne, F. C., Della Ventura, G., Kartashov, P. M. (2004) Chevkinite-(Ce): crystal structure and the effect of moderate radiation-induced damage on site-occupancy refinement. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  42 (4). 1013-1025 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.42.4.1013'>doi:10.2113\u002Fgscanmin.42.4.1013\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol42\u002FCM42_1013.pdf' class='refpdflink'>\u003C\u002Fa>","10.2113\u002Fgscanmin.42.4.1013",{"id":190,"year":191,"html":192,"doi":193},3040874,2007,"Yang, Zhuming, Li, He, Liu, Milan, Franz, Pertlik (2007) Crystal Chemistry of Iron in Non-Metamict Chevkinite-(Ce): Valence State and Site Occupation Proportions. \u003Ci>Journal of Rare Earths\u003C\u002Fi>, 25 (2). 238-242 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fs1002-0721(07)60080-5'>doi:10.1016\u002Fs1002-0721(07)60080-5\u003C\u002Fa>","10.1016\u002Fs1002-0721(07)60080-5",{"id":195,"year":196,"html":197,"doi":198},397368,2014,"Muhling, J. R., Suvorova, A. A., Rasmussen, B. (2014) The occurrence and composition of chevkinite-(Ce) and perrierite-(Ce) in tholeiitic intrusive rocks and lunar mare basalt. \u003Ci>American Mineralogist\u003C\u002Fi>,  99 (10) 1911-1921 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2014-4690'>doi:10.2138\u002Fam-2014-4690\u003C\u002Fa>","10.2138\u002Fam-2014-4690",{"id":200,"year":201,"html":202,"doi":203},244682,2015,"Bagiński, B., Macdonald, R., Dzierżanowski, P., Zozulya, D., Kartashov, P. M. (2015) Hydrothermal alteration of chevkinite-group minerals: products and mechanisms. Part 1. Hydration of chevkinite-(Ce) \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  79 (5) 1019-1037 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2015.079.5.01'>doi:10.1180\u002Fminmag.2015.079.5.01\u003C\u002Fa>","10.1180\u002Fminmag.2015.079.5.01",{"id":205,"year":206,"html":207,"doi":11},16130328,2019,"Stachowicz, M. (2019): X-ray diffraction and photoelectron spectroscopy studies of chemically complex mineral chevkinite-(Ce). Mineralogia - Special Papers: 49: 86",{"id":209,"year":206,"html":210,"doi":211},398767,"Macdonald, Ray, Bagiński, Bogusław, Belkin, Harvey E., Stachowicz, Marcin (2019) Composition, paragenesis, and alteration of the chevkinite group of minerals. \u003Ci>American Mineralogist\u003C\u002Fi>,  104 (3) 348-369 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2019-6772'>doi:10.2138\u002Fam-2019-6772\u003C\u002Fa>","10.2138\u002Fam-2019-6772",{"id":213,"year":206,"html":214,"doi":215},398691,"Stachowicz, Marcin, Welch, Mark D., Bagiński, Bogusław, Kartashov, Pavel M., Macdonald, Ray, Woźniak, Krzysztof (2019) Cation ordering, valence states, and symmetry breaking in the crystal-chemically complex mineral chevkinite-(Ce): Recrystallization, transformation, and metamict states in chevkinite. \u003Ci>American Mineralogist\u003C\u002Fi>,  104 (10) 1481-1486 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2019-6458'>doi:10.2138\u002Fam-2019-6458\u003C\u002Fa>","10.2138\u002Fam-2019-6458",{"id":217,"year":218,"html":219,"doi":220},13421604,2021,"Lacinska, Alicja, Rushton, Jeremy, Burgess, Simon, Deady, Eimear A., Turner, Gren (2021) The Effect of X-ray Energy Overlaps on the Microanalysis of Chevkinite (Ce, La, Ca, Th)4(Fe2+, Mg)2(Ti, Fe3+)3Si4O22 Using SEM EDS-WDS. \u003Ci>Minerals\u003C\u002Fi>, 11 (10) 1063 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin11101063'>doi:10.3390\u002Fmin11101063\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.mdpi.com\u002F2075-163X\u002F11\u002F10\u002F1063\u002Fpdf?version=1634120245' class='refpdflink'>\u003C\u002Fa>","10.3390\u002Fmin11101063",{"id":222,"year":223,"html":224,"doi":225},17328965,2024,"Carbonin, Susanna, Ridolfi, Filippo, Renzulli, Alberto, Belluso, Elena, Nodari, Luca, Liziero, Federica, Capella, Silvana (2024) Mineral and crystal chemical study of pseudo-\u003Ci>C\u003C\u002Fi>2\u002F\u003Ci>m\u003C\u002Fi> non-metamict chevkinite-(Ce): An investigation into the intracrystalline distribution of LREE, HREE, and octahedral cations in samples from the Azores and Pakistan. \u003Ci>American Mineralogist\u003C\u002Fi>,  109 (5) 896-914 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2022-8658'>doi:10.2138\u002Fam-2022-8658\u003C\u002Fa>","10.2138\u002Fam-2022-8658",[227],{"id":228,"source_url":229,"license_code":230,"credit_html":231,"title":232,"description":233,"author":234,"original_width":235,"original_height":236},5385,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866002","CC BY-SA 3.0","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866002\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chevkinite-(Ce)-88665.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChevkinite-(Ce)\" class=\"extiw\" title=\"en:Chevkinite-(Ce)\">Chevkinite-(Ce)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Midtmoen, Surka, Øståsen - Hadeland, Lunner, Oppland, Norway\u003C\u002Fdd>\n\u003Cdd>Field of view 6 mm. Depth of field is achieved with CombineZM. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",646,495,[238,244,249],{"id":239,"url":240,"label":241,"formula":242,"spacegroup":243,"year":186},2511,"\u002Fcif\u002F2511.cif","Sokolova 2004 · Ce4 Fe3 Ti2 Si4 O22","Ce4 Fe3 Ti2 Si4 O22","C 1 2\u002Fm 1",{"id":245,"url":246,"label":247,"formula":248,"spacegroup":243,"year":186},2513,"\u002Fcif\u002F2513.cif","Sokolova 2004 · Ce4 Fe2.04 Ca.05 Mn.04 Y.03 Zr.03 Ti2.57 Nb.16 Si4 O22","Ce4 Fe2.04 Ca.05 Mn.04 Y.03 Zr.03 Ti2.57 Nb.16 Si4 O22",{"id":250,"url":251,"label":252,"formula":253,"spacegroup":243,"year":186},2514,"\u002Fcif\u002F2514.cif","Sokolova 2004 · Ce4 Fe2.22 Mn.06 Zr.01 Ti2.55 Nb.16 Si4 O22","Ce4 Fe2.22 Mn.06 Zr.01 Ti2.55 Nb.16 Si4 O22",[255,256,257],"Chevkiniet-(Ce)","Tscheffkinit-(Ce)","Tscheffkinite-(Ce)",[259,264,269,273,277,281,285,290],{"lang":260,"names":261},"ca",[262,263],"Chevkinita-","chevkinita-(Ce)",{"lang":265,"names":266},"de",[267,268],"Chevkinit-(Ce)","Tschewkinit",{"lang":270,"names":271},"eu",[262,272],"Chevkinita-(Ce)",{"lang":274,"names":275},"it",[276,7],"Chevkinite-",{"lang":278,"names":279},"nn",[280],"Chevkinitt",{"lang":282,"names":283},"ru",[284],"чевкинит",{"lang":286,"names":287},"uk",[288,289],"Чевкініт","Чевкініт-",{"lang":291,"names":292},"zh",[293],"硅钛铈铁矿","Q12169247",{"history":11,"applications":11}]