[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2050":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":22,"key_elements":23,"impurities":24,"cim":25,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":29,"discovery_year":30,"strunz10ed1":31,"strunz10ed2":32,"strunz10ed3":33,"strunz10ed4":34,"dana8ed1":35,"dana8ed2":36,"dana8ed3":31,"dana8ed4":36,"csystem":37,"cclass":11,"spacegroup":11,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":38,"beta":42,"gamma":38,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":11,"csmetamict":14,"commentcrystal":43,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":44,"tlform":45,"hmin":46,"hmax":47,"hardtype":48,"vhnmin":38,"vhnmax":38,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":49,"dmeas2":50,"dcalc":38,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":51,"commentluster":52,"diapheny":53,"streak":54,"colour":55,"commentcolor":11,"colors":56,"streak_colors":59,"luminescence":11,"uv":60,"cleavage":11,"cleavagetype":61,"fracturetype":62,"tenacity":11,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":38,"opticalalpha2":38,"opticalalphaerror":11,"opticalbeta":38,"opticalbeta2":38,"opticalbetaerror":11,"opticalgamma":38,"opticalgamma2":38,"opticalgammaerror":11,"opticalomega":38,"opticalomega2":38,"opticalomegaerror":11,"opticalepsilon":38,"opticalepsilon2":38,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":38,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":38,"optical2vmeasured2":38,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":11,"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":63,"otheroccurrence":64,"type_specimen_store":65,"description_short":66,"aboutname":67,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":68,"reviewed_at":11,"variety_of":11,"varieties":69,"group_members":70,"associates":105,"confused_with":138,"type_localities":139,"occurrence_total":144,"citations":145,"images":180,"structures":181,"synonyms":182,"language_names":184,"wikidata_qid":204,"texts":205},2050,"1:1:2050:9","9205f330-d920-4dee-addd-3ef72ae09ce6","Ishikawaite","Ikw",0,"mineral",null,39540,546,false,"U\u003Csup>4+\u003C\u002Fsup>Fe\u003Csup>2+\u003C\u002Fsup>Nb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","(U,Fe,Y)NbO\u003Csub>4\u003C\u002Fsub>",[18,19,20,21],"Fe","Nb","O","U",[18,19,20,21],[19,21],"Ca,Ce,Ta,Ti,Sn,Si,Th,Mn,Mg,REE","18.4.4",[27,28],"APPROVED","GRANDFATHERED",1922,"1922","4","D","B","25","8","1","Monoclinic","0","5.562","9.934","5.243","93.9","usually metamict","Black rod-like to somewhat bladed crystals {100}. Anhedral masses.\r\n\r\nForms include c{001}, a{100}, s{210}, h{320}, m{110}, n{140}, b{010}, r{144}, and d{101}.","Prismatic orthorhombic-appearing black crystals.",5,6,3,"6.2","6.4","Sub-Adamantine,Vitreous,Sub-Vitreous,Resinous,Waxy","Broken surfaces are generally vitreous to sub-adamantine. Thin splinters may show smoky brown translucency.","Translucent,Opaque","Dark brown; black","Black",[57,58],"black","brown",[58,57],"Not fluorescent in UV.","None Observed","Conchoidal","NYF-pegmatite.","Granite pegmatite","No designated type material.","Ishikawaite is sometimes coated by brown to red-brown surface alterations. May partially or completely be metamict.","Originally described as YNbO\u003Csub>4\u003C\u002Fsub> in 1922 by Yuji Shibata and Kenjiro Kimura for the type locality Ishikawa pegmatite district, Fukushima Prefecture, Japan. Redefined by Hanson et al. (1999) as (U,Fe)NbO\u003Csub>4\u003C\u002Fsub>. (Mineral is metamict; published data on XRD pattern and cell parameters are for heated material, with no guarantee that the structure restored was the original one.)","2026-04-20 22:53:16",[],[71,78,85,93,98],{"id":72,"name":73,"entrytype":9,"csystem":74,"ima_formula":75,"mindat_formula":76,"hmin":46,"hmax":47,"dmeas":77,"dcalc":38,"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":79,"name":80,"entrytype":9,"csystem":37,"ima_formula":81,"mindat_formula":81,"hmin":46,"hmax":47,"dmeas":82,"dcalc":83,"primary_image_id":84},3512,"Samarskite-(Y)","YFe\u003Csup>3+\u003C\u002Fsup>Nb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","5","6.28",21478,{"id":86,"name":87,"entrytype":9,"csystem":37,"ima_formula":88,"mindat_formula":89,"hmin":46,"hmax":47,"dmeas":90,"dcalc":91,"primary_image_id":92},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":94,"name":95,"entrytype":9,"csystem":37,"ima_formula":96,"mindat_formula":96,"hmin":46,"hmax":46,"dmeas":11,"dcalc":97,"primary_image_id":11},55036,"Shakhdaraite-(Y)","ScYNb\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","5.602",{"id":99,"name":100,"entrytype":9,"csystem":74,"ima_formula":101,"mindat_formula":101,"hmin":46,"hmax":102,"dmeas":103,"dcalc":38,"primary_image_id":104},4373,"Yttrotantalite-(Y)","(Y,U,Fe\u003Csup>2+\u003C\u002Fsup>)(Ta,Nb)(O,OH)\u003Csub>4\u003C\u002Fsub>",5.5,"5.5",28564,[106,114,123,129],{"id":107,"name":108,"entrytype":9,"csystem":37,"ima_formula":109,"mindat_formula":109,"hmin":110,"hmax":48,"dmeas":111,"dcalc":112,"primary_image_id":113},241,"Annite","KFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>",2.5,"3.3","3.36",1491,{"id":115,"name":116,"entrytype":9,"csystem":117,"ima_formula":118,"mindat_formula":118,"hmin":47,"hmax":119,"dmeas":120,"dcalc":121,"primary_image_id":122},2704,"Microcline","Triclinic","K(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)",6.5,"2.54","2.56",16209,{"id":124,"name":125,"entrytype":9,"csystem":37,"ima_formula":126,"mindat_formula":126,"hmin":46,"hmax":102,"dmeas":82,"dcalc":127,"primary_image_id":128},2751,"Monazite-(Ce)","Ce(PO\u003Csub>4\u003C\u002Fsub>)","5.26",16555,{"id":130,"name":131,"entrytype":9,"csystem":132,"ima_formula":133,"mindat_formula":133,"hmin":134,"hmax":134,"dmeas":135,"dcalc":136,"primary_image_id":137},3337,"Quartz","Trigonal","SiO\u003Csub>2\u003C\u002Fsub>",7,"2.65","2.66",30579,[],[140],{"id":141,"txt":142,"latitude":11,"longitude":11,"country":143},14965,"Ishikawa District, Fukushima Prefecture, Japan","Japan",29,[146,149,152,156,160,164,168,172,176],{"id":147,"year":29,"html":148,"doi":11},16113021,"Shibata, Y. and Kimura, K. (1922) Ishikawaite, a new Mineral from Iwaki Province. Journal of the Chemical Society of Japan: 43: 301, 648.",{"id":150,"year":29,"html":151,"doi":11},16113022,"Kimura, K. (1922). Ishikawaite; a new Mineral from Ishikawa, Iwaki. Journal of the Geological Society of Tokyo: 29: 316-20 (in Japanese).",{"id":153,"year":154,"html":155,"doi":11},16113023,1924,"Ōhashi, R. (1924). Journal of the Geological Society, Tokyo: 31: 166.",{"id":157,"year":158,"html":159,"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":161,"year":162,"html":163,"doi":11},16164564,1995,"Hanson, S. L., Simmons, W. B., and Falster, A. U. (1995) Ishikawaite, Polycrase, or \"Samarskite\" in Maine Pegmatites?, Rochester Mineral Symposium, Program and Abstracts, 22:14-15.",{"id":165,"year":166,"html":167,"doi":11},16125720,1999,"Jambor, J.L., Roberts, A.C. (1999) New mineral names. American Mineralogist: 84: 1464-1468.",{"id":169,"year":166,"html":170,"doi":171},1257,"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":173,"year":174,"html":175,"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":177,"year":178,"html":179,"doi":11},16965044,2021,"(2021) Ishikawaite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FIshikawaite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[],[183],"Ishikawaiet",[185,189,193,197,200],{"lang":186,"names":187},"ca",[188],"ishikawaïta",{"lang":190,"names":191},"de",[192],"Ishikawait",{"lang":194,"names":195},"eu",[196],"Ishikawaita",{"lang":198,"names":199},"it",[7],{"lang":201,"names":202},"ja",[203],"石川石","Q3802461",{"history":11,"applications":11}]