[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2566":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":21,"key_elements":11,"impurities":11,"cim":22,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":25,"discovery_year":26,"strunz10ed1":27,"strunz10ed2":28,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":31,"dana8ed2":32,"dana8ed3":33,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":40,"beta":40,"gamma":40,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":43,"tlform":44,"hmin":45,"hmax":46,"hardtype":11,"vhnmin":47,"vhnmax":40,"vhnerror":11,"vhng":48,"vhns":11,"commenthard":11,"dmeas":49,"dmeas2":49,"dcalc":50,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":51,"lustretype":52,"commentluster":11,"diapheny":53,"streak":54,"colour":55,"commentcolor":11,"colors":56,"streak_colors":60,"luminescence":11,"uv":61,"cleavage":62,"cleavagetype":63,"fracturetype":64,"tenacity":65,"commentbreak":11,"opticaltype":66,"opticalsign":11,"opticalalpha":40,"opticalalpha2":40,"opticalalphaerror":11,"opticalbeta":40,"opticalbeta2":40,"opticalbetaerror":11,"opticalgamma":40,"opticalgamma2":40,"opticalgammaerror":11,"opticalomega":40,"opticalomega2":40,"opticalomegaerror":11,"opticalepsilon":40,"opticalepsilon2":40,"opticalepsilonerror":11,"opticaln":40,"opticaln2":40,"opticalnerror":11,"optical2vcalc":40,"optical2vcalc2":40,"optical2vcalcerror":11,"optical2vmeasured":40,"optical2vmeasured2":40,"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":67,"otheroccurrence":68,"type_specimen_store":11,"description_short":69,"aboutname":70,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":71,"reviewed_at":11,"variety_of":11,"varieties":72,"group_members":73,"associates":122,"confused_with":137,"type_localities":143,"occurrence_total":148,"citations":149,"images":181,"structures":200,"synonyms":201,"language_names":204,"wikidata_qid":233,"texts":234},2566,"1:1:2566:5","0513d667-f445-4490-b3d3-5c99d0527e99","Manjiroite","Mji",0,"mineral",null,29285,209,false,"Na(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>)O\u003Csub>16\u003C\u002Fsub>","May contain K replacing Na.",[18,19,20],"Mn","Na","O",[18,19,20],"7.2.3",[24],"APPROVED",1967,"1967","4","D","K","05a","7","9","1","3","Tetragonal",23,135,"I4\u002Fm","9.916","0","2.864",1,"Frequently botryoidal, sometimes fibrous","Fine-grained black masses, may break with a conchoidal fracture.",3,3.5,"181",100,"4.29","4.23","Dull","Resinous,Dull","Opaque","Brownish black","Dark brownish-gray",[57,58,59],"brown","gray","black",[57,59],"Not fluorescent in UV","Probably has a good cleavage similar to other minerals in its group.","None Observed","Conchoidal,Sub-Conchoidal","brittle","Uniaxial","Bedded manganese oxide deposit.","Bedded manganese deposites, also mangabe-rich gossans","A restudy of type manjiroite shows that Na is not the dominant tunnel species, but water (Post et al., 2022). \r\n\r\nMany manganese oxides are better identified using infra-red spectroscopy than by x-ray diffraction because of issues of crystal size, diso...","Named in 1967 by Matsuo Nambu and Katsutoshi Tanida in honor of Dr. Manjiro Watanabe (渡辺万次郎) (2 July 1891 Japan - 20 March 1980 Japan), mineralogist, economic geologist and Professor at Tohoku University, Japan.","2026-03-16 16:50:21",[],[74,84,92,98,104,111,116],{"id":75,"name":76,"entrytype":9,"csystem":77,"ima_formula":78,"mindat_formula":78,"hmin":79,"hmax":80,"dmeas":81,"dcalc":82,"primary_image_id":83},1134,"Coronadite","Monoclinic","Pb(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>",4.5,5,"5.246","5.45",6336,{"id":85,"name":86,"entrytype":9,"csystem":77,"ima_formula":87,"mindat_formula":87,"hmin":80,"hmax":88,"dmeas":89,"dcalc":90,"primary_image_id":91},1164,"Cryptomelane","K(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>)O\u003Csub>16\u003C\u002Fsub>",6.5,"4.17","4.44",6530,{"id":93,"name":94,"entrytype":9,"csystem":35,"ima_formula":95,"mindat_formula":95,"hmin":11,"hmax":11,"dmeas":11,"dcalc":96,"primary_image_id":97},47021,"Ferricoronadite","Pb(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","5.538",8582,{"id":99,"name":100,"entrytype":9,"csystem":77,"ima_formula":101,"mindat_formula":101,"hmin":102,"hmax":103,"dmeas":11,"dcalc":11,"primary_image_id":11},43558,"Ferrihollandite","Ba(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>",4,6,{"id":105,"name":106,"entrytype":9,"csystem":77,"ima_formula":107,"mindat_formula":107,"hmin":102,"hmax":103,"dmeas":108,"dcalc":109,"primary_image_id":110},1921,"Hollandite","Ba(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","4.95","4.93",29875,{"id":112,"name":113,"entrytype":9,"csystem":77,"ima_formula":114,"mindat_formula":114,"hmin":102,"hmax":79,"dmeas":40,"dcalc":115,"primary_image_id":11},7317,"Strontiomelane","Sr(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","4.66",{"id":117,"name":118,"entrytype":9,"csystem":35,"ima_formula":119,"mindat_formula":120,"hmin":11,"hmax":11,"dmeas":11,"dcalc":121,"primary_image_id":11},54020,"Thalliomelane","TlMn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7.5\u003C\u002Fsub>Cu\u003Csup>2+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>O\u003Csub>16\u003C\u002Fsub>","Tl(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7.5\u003C\u002Fsub>Cu\u003Csup>2+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","5.285",[123,128],{"id":124,"name":125,"entrytype":9,"csystem":77,"ima_formula":126,"mindat_formula":126,"hmin":80,"hmax":103,"dmeas":40,"dcalc":40,"primary_image_id":127},3441,"Romanèchite","(Ba,H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>2\u003C\u002Fsub>(Mn\u003Csup>4+\u003C\u002Fsup>,Mn\u003Csup>3+\u003C\u002Fsup>)\u003Csub>5\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>",30630,{"id":129,"name":130,"entrytype":9,"csystem":77,"ima_formula":131,"mindat_formula":132,"hmin":133,"hmax":133,"dmeas":134,"dcalc":135,"primary_image_id":136},3988,"Todorokite","(Na,Ca,K,Ba,Sr)\u003Csub>1-x\u003C\u002Fsub>(Mn,Mg,Al)\u003Csub>6\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub> · 3-4H\u003Csub>2\u003C\u002Fsub>O","(Na,Ca,K,Ba,Sr)\u003Csub>1-x\u003C\u002Fsub>(Mn,Mg,Al)\u003Csub>6\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>·3-4H\u003Csub>2\u003C\u002Fsub>O",1.5,"3.67","3.65",24311,[138,139,140,141,142],{"id":75,"name":76,"entrytype":9,"csystem":77,"ima_formula":78,"mindat_formula":78,"hmin":79,"hmax":80,"dmeas":81,"dcalc":82,"primary_image_id":83},{"id":85,"name":86,"entrytype":9,"csystem":77,"ima_formula":87,"mindat_formula":87,"hmin":80,"hmax":88,"dmeas":89,"dcalc":90,"primary_image_id":91},{"id":99,"name":100,"entrytype":9,"csystem":77,"ima_formula":101,"mindat_formula":101,"hmin":102,"hmax":103,"dmeas":11,"dcalc":11,"primary_image_id":11},{"id":105,"name":106,"entrytype":9,"csystem":77,"ima_formula":107,"mindat_formula":107,"hmin":102,"hmax":103,"dmeas":108,"dcalc":109,"primary_image_id":110},{"id":112,"name":113,"entrytype":9,"csystem":77,"ima_formula":114,"mindat_formula":114,"hmin":102,"hmax":79,"dmeas":40,"dcalc":115,"primary_image_id":11},[144],{"id":145,"txt":146,"latitude":11,"longitude":11,"country":147},2195,"Kohare mine, Karumai, Iwate Prefecture, Japan","Japan",26,[150,154,158,162,167,172,177],{"id":151,"year":25,"html":152,"doi":153},88093,"Nambu, Matsuo, Tanida, Katsutoshi (1967) Manjiroite, a new manganese dioxide mineral, from Kohare Mine, Iwate Prefecture, Japan. \u003Ci>The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists\u003C\u002Fi>,  58 (2) 39-54 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fganko1941.58.39'>doi:10.2465\u002Fganko1941.58.39\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fganko1941\u002F58\u002F2\u002F58_2_39\u002F_pdf' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fganko1941.58.39",{"id":155,"year":156,"html":157,"doi":11},525073,1968,"Fleisher, Michael (1968) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  53 (11-12) 2103-2106 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM53\u002FAM53_2103.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":159,"year":160,"html":161,"doi":11},527338,1979,"Potter, Russell M., Rossman, George R (1979) The tetravalent manganese oxides: identification, hydration, and structural relationships by infrared spectroscopy. \u003Ci>American Mineralogist\u003C\u002Fi>,  64 (11-12) 1199-1218 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002FAmMin\u002FAM64\u002FAM64_1199\u002FAM79-117_wavenumbers.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":163,"year":164,"html":165,"doi":166},162278,1980,"Nambu, Matsuo, Tanida, Katsutoshi (1980) Cryptomelane-Manjiroite-Hollandite Series Minerals. \u003Ci>Journal of the Mineralogical Society of Japan\u003C\u002Fi>,  14. 62-85 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fgkk1952.14.special3_62'>doi:10.2465\u002Fgkk1952.14.special3_62\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fgkk1952\u002F14\u002FSpecial3\u002F14_Special3_62\u002F_pdf\u002F-char\u002Fja\u002F' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fgkk1952.14.special3_62",{"id":168,"year":169,"html":170,"doi":171},129198,2013,"Biagioni, Cristian, Capalbo, Carmen, Pasero, Marco (2013) Nomenclature tunings in the hollandite supergroup. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  25 (1) 85-90 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2013\u002F0025-2255'>doi:10.1127\u002F0935-1221\u002F2013\u002F0025-2255\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FEJM25_85.pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2013\u002F0025-2255",{"id":173,"year":174,"html":175,"doi":176},12999687,2022,"Post, Jeffrey E., Heaney, Peter J., Fischer, Timothy B., Ilton, Eugene S. (2022) Manjiroite or hydrous hollandite? \u003Ci>American Mineralogist\u003C\u002Fi>,  107 (4). 564-571 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2021-7848'>doi:10.2138\u002Fam-2021-7848\u003C\u002Fa>","10.2138\u002Fam-2021-7848",{"id":178,"year":179,"html":180,"doi":11},16965825,2023,"(2023) Manjiroite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FManjiroite.pdf' class='refpdflink'>\u003C\u002Fa>",[182,192],{"id":183,"source_url":184,"license_code":185,"credit_html":186,"title":187,"description":188,"author":189,"original_width":190,"original_height":191},15402,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145368","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145368\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Manjiroite-Todorokite-Calcite-146989.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FManjiroite\" class=\"extiw\" title=\"en:Manjiroite\">Manjiroite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTodorokite\" class=\"extiw\" title=\"en:Todorokite\">Todorokite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3071.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.2 x 8.8 x 6.7 cm.\u003C\u002Fdd>\n\u003Cdd>Manjiroite and todorokite are RARE to uncommon hydrated manganese oxides. This exceptionally rich and showy specimen consists of bedded, dark gray, lamellar manjiroite altering to todorokite with really neat-looking vugs lined with glassy calcite crystals. Some of the lamellar manganese oxides are chatoyant! A nifty and unusual specimen from the Willy Israel Collection, who purchased this excellent piece from well-known dealer Clive Queit in 1986.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",598,567,{"id":193,"source_url":194,"license_code":185,"credit_html":195,"title":196,"description":197,"author":189,"original_width":198,"original_height":199},15403,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150724","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150724\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Manjiroite-Todorokite-Calcite-174093.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FManjiroite\" class=\"extiw\" title=\"en:Manjiroite\">Manjiroite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTodorokite\" class=\"extiw\" title=\"en:Todorokite\">Todorokite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Smartt Mine, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-23136.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 10.7 x 9.1 x 8 cm.\u003C\u002Fdd>\n\u003Cdd>An unusual specimen consisting of a mass of foliated manjiroite crystals, altering to todorokite. The cavities are filled with bright glistening calcite crystals! Pretty and unusual! Ex. Willy Israel Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",600,589,[],[202,203],"IMA1966-009","Manjiroiet",[205,209,214,218,222,225,229],{"lang":206,"names":207},"ca",[208],"manjiroïta",{"lang":210,"names":211},"de",[212,213],"IMA 1966-009","Manjiroit",{"lang":215,"names":216},"es",[217],"Manjiroíta",{"lang":219,"names":220},"eu",[221],"Manjiroita",{"lang":223,"names":224},"it",[7],{"lang":226,"names":227},"ja",[228],"万次郎鉱",{"lang":230,"names":231},"uk",[232],"Манжироїт","Q3844710",{"history":11,"applications":11}]