[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:27437":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":11,"ima_formula":16,"elements":17,"sigelements":25,"key_elements":26,"impurities":11,"cim":11,"ima_status":27,"ima_notes":11,"ima_history":11,"approval_year":29,"publication_year":11,"discovery_year":11,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":35,"dana8ed3":36,"dana8ed4":30,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":44,"beta":45,"gamma":44,"aerror":46,"berror":47,"cerror":48,"alphaerror":11,"betaerror":49,"gammaerror":11,"va3":11,"z":49,"csmetamict":14,"commentcrystal":11,"twinning":50,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":51,"hmin":47,"hmax":47,"hardtype":11,"vhnmin":52,"vhnmax":53,"vhnerror":11,"vhng":54,"vhns":11,"commenthard":11,"dmeas":55,"dmeas2":55,"dcalc":56,"dmeaserror":57,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":58,"commentluster":11,"diapheny":59,"streak":60,"colour":61,"commentcolor":11,"colors":62,"streak_colors":64,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":65,"tenacity":66,"commentbreak":11,"opticaltype":67,"opticalsign":68,"opticalalpha":69,"opticalalpha2":44,"opticalalphaerror":38,"opticalbeta":44,"opticalbeta2":44,"opticalbetaerror":11,"opticalgamma":70,"opticalgamma2":44,"opticalgammaerror":38,"opticalomega":44,"opticalomega2":44,"opticalomegaerror":11,"opticalepsilon":44,"opticalepsilon2":44,"opticalepsilonerror":11,"opticaln":44,"opticaln2":44,"opticalnerror":11,"optical2vcalc":44,"optical2vcalc2":44,"optical2vcalcerror":11,"optical2vmeasured":44,"optical2vmeasured2":44,"optical2vmeasurederror":11,"rimin":71,"rimax":71,"opticaldispersion":72,"opticalpleochroism":73,"opticalpleochorismdesc":74,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":75,"opticalinternal":11,"opticaltropic":76,"opticalanisotropism":77,"opticalbireflectance":77,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":78,"description_short":79,"aboutname":80,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":81,"reviewed_at":11,"variety_of":11,"varieties":82,"group_members":83,"associates":119,"confused_with":120,"type_localities":121,"occurrence_total":57,"citations":128,"images":141,"structures":152,"synonyms":164,"language_names":167,"wikidata_qid":193,"texts":194},27437,"1:1:27437:3","3608caa9-2d22-41c0-9404-eaa7ccf724ad","Dingdaohengite-(Ce)","Ddh-Ce",0,"mineral",null,51417,62,false,"(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>","(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>",[18,19,20,21,22,23,24],"Ce","Fe","La","Mg","Si","Ti","O",[18,19,22,23,24],[18,23],[28],"APPROVED",2005,"9","B","E","70","56","2","13","Monoclinic",5,14,"P21\u002Fa","13.4656","5.7356","11.0977","0","100.636",15,6,12,2,"sometimes observed","euhedral to subhedral short prismatic or thick tabular crystals.","606","717",25,"4.83","4.88",7,"Sub-Metallic","Translucent,Opaque","brown","black",[61,60,63],"yellow",[60],"Conchoidal","brittle","Biaxial","-","1.978","2.0`10",1.978," dispersion is r > v.","Strong"," X = yellowish or brownish and Z = brown black.","grayish yellow","Anisotropic","weak","Geological Museum of China, Beijing, China.","Closely related to perrierite-(Ce).","Named in honor of Ding Daoheng (丁道衡) (November 1899, Zhijin County, Guise Province, China - 21 February 1955, China), who discovered the Bayan Obo REE-Nb-Fe ore deposit in 1927, at the age of 28. The suffix follows the IMA naming convention for REE minerals and denotes cerium as the dominant REE.","2025-08-11 12:14:52",[],[84,92,99,105,112],{"id":85,"name":86,"entrytype":9,"csystem":37,"ima_formula":87,"mindat_formula":87,"hmin":38,"hmax":88,"dmeas":89,"dcalc":90,"primary_image_id":91},6867,"Chevkinite-(Ce)","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>",5.5,"4.53","4.99",5385,{"id":93,"name":94,"entrytype":9,"csystem":37,"ima_formula":95,"mindat_formula":96,"hmin":47,"hmax":47,"dmeas":97,"dcalc":98,"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> ","4.8","4.85",{"id":100,"name":101,"entrytype":9,"csystem":37,"ima_formula":102,"mindat_formula":103,"hmin":11,"hmax":11,"dmeas":11,"dcalc":104,"primary_image_id":11},51415,"Delhuyarite-(Ce)","Ce\u003Csub>4\u003C\u002Fsub>Mg(Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>W)◻(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>◻(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":106,"name":107,"entrytype":9,"csystem":37,"ima_formula":108,"mindat_formula":109,"hmin":38,"hmax":88,"dmeas":110,"dcalc":111,"primary_image_id":11},27512,"Maoniupingite-(Ce)","(Ce,Ca)\u003Csub>4\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>,Ti,Fe\u003Csup>2+\u003C\u002Fsup>,◻)(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>,◻)(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":113,"name":114,"entrytype":9,"csystem":37,"ima_formula":115,"mindat_formula":116,"hmin":88,"hmax":47,"dmeas":117,"dcalc":118,"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",[],[],[122],{"id":123,"txt":124,"latitude":125,"longitude":126,"country":127},720,"Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China",41.7958333,109.9694444,"China",[129,132,137],{"id":130,"year":29,"html":131,"doi":11},16134388,"Li, Guo-wu, Yang, Guang-ming, Ma, Zhe-sheng, Shi, Ni-cheng, Xiong, Ming, Sheng, Gan-fu and Fan, Hai-fu (2005) The crystal structure of a new mineral Dingdaohengite-(Ce). Kuangwu Xuebao: 25: 313-320 (in Mandarin).",{"id":133,"year":134,"html":135,"doi":136},396025,2008,"Xu, J., Yang, G. G, Li, G., Wu, Z., Shen, G. (2008) Dingdaohengite-(Ce) from the Bayan Obo REE-Nb-Fe Mine, China: Both a true polymorph of perrierite-(Ce) and a titanic analog at the C1 site of chevkinite subgroup. \u003Ci>American Mineralogist\u003C\u002Fi>,  93 (5) 740-744 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2008.2543'>doi:10.2138\u002Fam.2008.2543\u003C\u002Fa>","10.2138\u002Fam.2008.2543",{"id":138,"year":139,"html":140,"doi":11},16963988,2021,"(2021) Dingdaohengite-(Ce). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FDingdaohengite-Ce.pdf' class='refpdflink'>\u003C\u002Fa>",[142],{"id":143,"source_url":144,"license_code":145,"credit_html":146,"title":147,"description":148,"author":149,"original_width":150,"original_height":151},7232,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=143109160","CC BY 4.0","Henk Smeets, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=143109160\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Dingdaohengite-(Ce).webp","Dingdaohengite-(Ce) - Italy, Sardinia, Masullas, Conca Cannas Quarry - crystal 0,3 mm high","Henk Smeets",1920,1280,[153,159],{"id":154,"url":155,"label":156,"formula":157,"spacegroup":158,"year":29},3699,"\u002Fcif\u002F3699.cif","Li 2005 · (Ce2.1 La1.46 Ca.44) Fe1.72 Ti2.84 Mg.4 Nb.04 Si4 O22 (1)","(Ce2.1 La1.46 Ca.44) Fe1.72 Ti2.84 Mg.4 Nb.04 Si4 O22","P 1 21\u002Fa 1",{"id":160,"url":161,"label":162,"formula":157,"spacegroup":163,"year":29},3700,"\u002Fcif\u002F3700.cif","Li 2005 · (Ce2.1 La1.46 Ca.44) Fe1.72 Ti2.84 Mg.4 Nb.04 Si4 O22 (2)","C 1 2\u002Fm 1",[165,166],"Dingdaohengiet-(Ce)","IMA2005-014",[168,173,178,182,186,190],{"lang":169,"names":170},"ca",[171,172],"Dingdaohengita-","dingdaohengita-(Ce)",{"lang":174,"names":175},"de",[176,177],"Dingdaohengit-(Ce)","IMA 2005-014",{"lang":179,"names":180},"eu",[171,181],"Dingdaohengita-(Ce)",{"lang":183,"names":184},"it",[185],"dingdaohengite-(Ce)",{"lang":187,"names":188},"zh",[189],"丁道衡矿",{"lang":191,"names":192},"zh-cn",[189],"Q19833507",{"history":11,"applications":11}]