[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:43866":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":11,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":11,"ima_formula":14,"elements":15,"sigelements":23,"key_elements":24,"impurities":11,"cim":11,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":27,"publication_year":28,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":34,"dana8ed3":34,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":11,"beta":42,"gamma":11,"aerror":36,"berror":43,"cerror":44,"alphaerror":11,"betaerror":45,"gammaerror":11,"va3":46,"z":47,"csmetamict":13,"commentcrystal":11,"twinning":48,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":49,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":11,"dmeas2":11,"dcalc":50,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":51,"commentluster":11,"diapheny":52,"streak":53,"colour":53,"commentcolor":11,"colors":54,"streak_colors":57,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":58,"tenacity":59,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":11,"opticalalpha2":11,"opticalalphaerror":11,"opticalbeta":11,"opticalbeta2":11,"opticalbetaerror":11,"opticalgamma":11,"opticalgamma2":11,"opticalgammaerror":11,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":11,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":11,"optical2vmeasured2":11,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":60,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":61,"otheroccurrence":11,"type_specimen_store":62,"description_short":63,"aboutname":64,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":65,"reviewed_at":11,"variety_of":11,"varieties":66,"group_members":67,"associates":68,"confused_with":69,"type_localities":70,"occurrence_total":36,"citations":77,"images":93,"structures":94,"synonyms":113,"language_names":116,"wikidata_qid":136,"texts":137},43866,"1:1:43866:1","166e8a12-2665-4308-ae94-0e238468d28c","Laachite","Laa",0,"mineral",null,48,false,"(Ca,Mn)\u003Csub>2\u003C\u002Fsub>Zr\u003Csub>2\u003C\u002Fsub>Nb\u003Csub>2\u003C\u002Fsub>TiFeO\u003Csub>14\u003C\u002Fsub>",[16,17,18,19,20,21,22],"Ca","Fe","Mn","Nb","Ti","Zr","O",[16,17,19,20,21,22],[19,20,21],[26],"APPROVED",2013,2014,"1985","4","D","H","30","0","Monoclinic",5,10,"C2\u002Fc "," 7.3119"," 14.179"," 10.1700"," 90.072",1,7,2,1054.38,4,"twinned","long-prismatic crystals up to 0.02 × 0.04 × 0.5 mm, which are present as random intergrowths and twins in cavities within sanidinite.","5.417","Adamantine","Translucent","brownish-red",[55,56],"red","brown",[56,55],"Irregular\u002FUneven","brittle","The mean refractive index calculated from the Gladstone-Dale relationship is 2.26.","Ejectum, Nosean-bearing syenite","Type material is deposited in the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4361\u002F1 \r\n","Related to zirconolite-2M with Nb dominant over Ti.\r\nClosely related to nöggerathite-(Ce), Stefanweissite.","For the type locality","2025-08-11 12:15:10",[],[],[],[],[71],{"id":72,"txt":73,"latitude":74,"longitude":75,"country":76},71520,"In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany",50.3928705,7.2844941,"Germany",[78,82,85,89],{"id":79,"year":27,"html":80,"doi":81},244434,"Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2013) New minerals and nomenclature modifications approved in 2013. CNMNC Newsletter No 16. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  77 (6) 2695-2709 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2013.077.6.01'>doi:10.1180\u002Fminmag.2013.077.6.01\u003C\u002Fa>","10.1180\u002Fminmag.2013.077.6.01",{"id":83,"year":28,"html":84,"doi":11},19367840,"Schäfer, C.J.; Chukanov, N.V (2014) Über den Laachit, ein neues, mit Zirkonolith verwandtes Mineral vom Laacher Vulkan [About laachite, a new mineral related to zirconolite from the Laach volcano]. \u003Ci>Der Aufschluss\u003C\u002Fi>,  65 (4). 228-239",{"id":86,"year":28,"html":87,"doi":88},129299,"Chukanov, Nikita V., Krivovichev, Sergey V., Pakhomova, Anna S., Pekov, Igor V., Schäfer, Christof, Vigasina, Marina F., Van, Konstantin V. (2014) Laachite, (Ca,Mn)2Zr2Nb2TiFeO14, a new zirconolite-related mineral from the Eifel volcanic region, Germany. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  26 (1) 103-111 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2013\u002F0025-2343'>doi:10.1127\u002F0935-1221\u002F2013\u002F0025-2343\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FEJM26_103.pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2013\u002F0025-2343",{"id":90,"year":91,"html":92,"doi":11},16965461,2015,"(2015) Laachite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Flaachite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[95,102,107],{"id":96,"url":97,"label":98,"formula":99,"spacegroup":100,"year":101},7394,"\u002Fcif\u002F7394.cif","Whittle 2012 · Ca2 Zr2 Fe2 Nb2 O14","Ca2 Zr2 Fe2 Nb2 O14","C 1 2\u002Fc 1",2012,{"id":103,"url":104,"label":105,"formula":106,"spacegroup":100,"year":101},7395,"\u002Fcif\u002F7395.cif","Whittle 2012 · Ca2 Zr2 Nb2 Fe2 O14","Ca2 Zr2 Nb2 Fe2 O14",{"id":108,"url":109,"label":110,"formula":111,"spacegroup":100,"year":112},7397,"\u002Fcif\u002F7397.cif","Chukanov 2011","Nb1.54 Ti1.3 Al.16 Ca.6 Mn1.18 Ce.3 La.1 Nd.1 Th.28 Y.2 Zr1.56 Fe.68 O14",2011,[114,115],"IMA2012-100","Laachiet",[117,121,126,129,132],{"lang":118,"names":119},"ca",[120],"Laachita",{"lang":122,"names":123},"de",[124,125],"IMA 2012-100","Laachit",{"lang":127,"names":128},"es",[114,120],{"lang":130,"names":131},"eu",[120],{"lang":133,"names":134},"it",[135],"laachite","Q19860925",{"history":11,"applications":11}]