[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:53354":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":17,"elements":18,"sigelements":25,"key_elements":11,"impurities":11,"cim":11,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":28,"publication_year":29,"discovery_year":11,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":34,"dana8ed3":34,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":34,"a":38,"b":11,"c":39,"alpha":11,"beta":11,"gamma":11,"aerror":40,"berror":11,"cerror":41,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":14,"commentcrystal":11,"twinning":43,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":44,"hmin":45,"hmax":45,"hardtype":11,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":46,"dmeas2":46,"dcalc":47,"dmeaserror":42,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":48,"commentluster":11,"diapheny":49,"streak":11,"colour":50,"commentcolor":11,"colors":51,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":54,"fracturetype":55,"tenacity":56,"commentbreak":11,"opticaltype":57,"opticalsign":11,"opticalalpha":11,"opticalalpha2":11,"opticalalphaerror":11,"opticalbeta":11,"opticalbeta2":11,"opticalbetaerror":11,"opticalgamma":11,"opticalgamma2":11,"opticalgammaerror":11,"opticalomega":58,"opticalomega2":11,"opticalomegaerror":59,"opticalepsilon":60,"opticalepsilon2":11,"opticalepsilonerror":59,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":11,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":11,"optical2vmeasured2":11,"optical2vmeasurederror":11,"rimin":61,"rimax":62,"opticaldispersion":11,"opticalpleochroism":63,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"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":11,"otheroccurrence":11,"type_specimen_store":64,"description_short":65,"aboutname":66,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":67,"reviewed_at":11,"variety_of":11,"varieties":68,"group_members":69,"associates":116,"confused_with":117,"type_localities":118,"occurrence_total":13,"citations":125,"images":139,"structures":140,"synonyms":141,"language_names":144,"wikidata_qid":157,"texts":158},53354,"1:1:53354:0","fd4e5a71-8538-485b-8a4b-c48e41b4ee5e","Nikmelnikovite","Nmn",0,"mineral",null,1651,1,false,"Ca\u003Csub>12\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>◻)[SiO\u003Csub>4\u003C\u002Fsub>]\u003Csub>6\u003C\u002Fsub>[◻(OH)\u003Csub>4\u003C\u002Fsub>]\u003Csub>5\u003C\u002Fsub>◻\u003Csub>4\u003C\u002Fsub>","The formula includes \"O\" vacancies, VI-site vacancies (in the \"Y4\" site, using traditional garnet site nomenclature), and IV-site vacancies (in the \"Z2\" site, using traditional garnet site nomenclature; each missing Si is charge-balanced by four H, as the \"hydrogarnet\" exchange).\r\n\r\nThe VI-site occupancy in the original end-member formula was given as (Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Al\u003Csub>4\u003C\u002Fsub>[]), but this was changed to (Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>[]) in Bosi \u003Cem>et al.\u003C\u002Fem>, (2019).","Ca\u003Csub>12\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>20\u003C\u002Fsub>",[19,20,21,22,23,24],"Al","Ca","Fe","Si","O","H",[19,20,21,22,23,24],[27],"APPROVED",2018,2019,"9","A","D","25","0","Trigonal",10,80," 17.2072"," 10.5689",6,4,3,"Merohedral twins by (110) are typical","Overgrows octahedral faces of crystals of andradite impregnated in calcite, as semitransparent brownish red crusts (\u003C=1 mm thick), rhombohedral crystals to 100 microns, and spherical globules to 5 microns.",5.5,"3.00","3.08","Vitreous,Greasy","Translucent","Brown to red",[52,53],"brown","red","None Observed","Conchoidal","fragile","Uniaxial"," 1.682",5,"1.675",1.675,1.682,"Non-pleochroic","Type material is deposited in the collections of the Mineralogical Museum, St. Petersburg State University, Russia, catalogue No. 1\u002F19691","The only trigonal member of the garnet supergroup.","In honor of Academician Nikolai Nikolaevich Melnikov (Николай Николаевич Мельников) (25 July 1938, Moscow, USSR – 2 June 2018, Russia), an outstanding mining engineer and science organizer, director of the Mining Institute, Kola Science Center, Russian Academy of Sciences (1981–2015).","2025-08-11 12:15:21",[],[70,78,85,91,98,105,110],{"id":71,"name":72,"entrytype":9,"csystem":73,"ima_formula":74,"mindat_formula":74,"hmin":41,"hmax":41,"dmeas":75,"dcalc":76,"primary_image_id":77},1162,"Cryolithionite","Isometric","Na\u003Csub>3\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>(LiF\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","2.77","2.772",6505,{"id":79,"name":80,"entrytype":9,"csystem":73,"ima_formula":81,"mindat_formula":82,"hmin":59,"hmax":40,"dmeas":34,"dcalc":83,"primary_image_id":84},2167,"Katoite","Ca\u003Csub>3\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>12\u003C\u002Fsub>","Ca\u003Csub>3\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>[◻(OH)\u003Csub>4\u003C\u002Fsub>]\u003Csub>3\u003C\u002Fsub>","3.013",13042,{"id":86,"name":87,"entrytype":9,"csystem":73,"ima_formula":11,"mindat_formula":88,"hmin":89,"hmax":11,"dmeas":11,"dcalc":90,"primary_image_id":11},471055,"Midbarite","Ca\u003Csub>3\u003C\u002Fsub>Mg\u003Csub>2\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Si)O\u003Csub>12\u003C\u002Fsub>",4.5,"3.595",{"id":92,"name":93,"entrytype":9,"csystem":73,"ima_formula":94,"mindat_formula":94,"hmin":95,"hmax":96,"dmeas":11,"dcalc":97,"primary_image_id":11},53165,"Monteneveite","Ca\u003Csub>3\u003C\u002Fsub>Sb\u003Csup>5+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>)O\u003Csub>12\u003C\u002Fsub>",6.5,7,"4.72",{"id":99,"name":100,"entrytype":9,"csystem":73,"ima_formula":101,"mindat_formula":102,"hmin":96,"hmax":103,"dmeas":11,"dcalc":104,"primary_image_id":11},54649,"Priscillagrewite-(Y)","YCa\u003Csub>2\u003C\u002Fsub>Zr\u003Csub>2\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>","(Ca\u003Csub>2\u003C\u002Fsub>Y)Zr\u003Csub>2\u003C\u002Fsub>(AlO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>",7.5,"4.48",{"id":106,"name":107,"entrytype":9,"csystem":73,"ima_formula":108,"mindat_formula":109,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},55307,"Xuite","Ca\u003Csub>3\u003C\u002Fsub>Fe\u003Csub>2\u003C\u002Fsub>[AlO\u003Csub>3\u003C\u002Fsub>(OH)]\u003Csub>3\u003C\u002Fsub>","Ca\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>[(AlO\u003Csub>3\u003C\u002Fsub>(OH)]\u003Csub>3\u003C\u002Fsub>",{"id":111,"name":112,"entrytype":9,"csystem":73,"ima_formula":113,"mindat_formula":113,"hmin":45,"hmax":40,"dmeas":114,"dcalc":115,"primary_image_id":11},4349,"Yafsoanite","Ca\u003Csub>3\u003C\u002Fsub>Te\u003Csup>6+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(ZnO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","5.40","5.441",[],[],[119],{"id":120,"txt":121,"latitude":122,"longitude":123,"country":124},10299,"Kovdor Massif, Kovdorsky District, Murmansk Oblast, Russia",67.55,30.5,"Russia",[126,130,134],{"id":127,"year":29,"html":128,"doi":129},129804,"Miyawaki, Ritsuro, Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 47. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  31 (1) 197-202 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2019\u002F0031-2839'>doi:10.1127\u002Fejm\u002F2019\u002F0031-2839\u003C\u002Fa>","10.1127\u002Fejm\u002F2019\u002F0031-2839",{"id":131,"year":29,"html":132,"doi":133},504907,"Krivovichev, S. V., Yakovenchuk, V. N., Panikorovskii, T. L., Savchenko, E. E., Pakhomovsky, Ya. A., Mikhailova, Yu. A., Selivanova, E. A., Kadyrova, G. I., Ivanyuk, G. Yu. (2019) Nikmelnikovite, Ca\u003Csub>12\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>20\u003C\u002Fsub>: A New Mineral from the Kovdor Massif (Kola Peninsula, Russia) \u003Ci>Doklady Earth Sciences\u003C\u002Fi>,  488 (2) 1200-1202 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1134\u002Fs1028334x19100143'>doi:10.1134\u002Fs1028334x19100143\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FDES488_1200.pdf' class='refpdflink'>\u003C\u002Fa>","10.1134\u002Fs1028334x19100143",{"id":135,"year":136,"html":137,"doi":138},19180886,2021,"Krivovichev, Sergey V.; Panikorovskii, Taras L.; Yakovenchuk, Victor N.; Selivanova, Ekaterina A.; Ivanyuk, Gregory Yu. (2021) Trigonal variation in the garnet supergroup: the crystal structure of nikmelnikovite, Ca\u003Csub>12\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>20\u003C\u002Fsub>, from Kovdor massif, Kola Peninsula, Russia. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  85 (4). 620-626 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fmgm.2021.55'>doi:10.1180\u002Fmgm.2021.55\u003C\u002Fa>","10.1180\u002Fmgm.2021.55",[],[],[142,143],"IMA2018-043","Nikmelnikoviet",[145,149,153],{"lang":146,"names":147},"ca",[148],"nikmelnikovita",{"lang":150,"names":151},"de",[142,152],"Nikmelnikovit",{"lang":154,"names":155},"eu",[156],"Nikmelnikovita","Q61478757",{"history":11,"applications":11}]