[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:67":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":15,"elements":16,"sigelements":22,"key_elements":23,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":27,"publication_year":27,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":32,"dana8ed4":33,"csystem":34,"cclass":35,"spacegroup":11,"spacegroupset":36,"a":37,"b":38,"c":39,"alpha":36,"beta":40,"gamma":36,"aerror":41,"berror":42,"cerror":41,"alphaerror":11,"betaerror":43,"gammaerror":11,"va3":11,"z":44,"csmetamict":13,"commentcrystal":45,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":46,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":36,"vhnmax":36,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":36,"dmeas2":36,"dcalc":47,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":48,"commentluster":11,"diapheny":49,"streak":50,"colour":51,"commentcolor":11,"colors":52,"streak_colors":55,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":56,"opticalsign":11,"opticalalpha":36,"opticalalpha2":36,"opticalalphaerror":11,"opticalbeta":36,"opticalbeta2":36,"opticalbetaerror":11,"opticalgamma":36,"opticalgamma2":36,"opticalgammaerror":11,"opticalomega":36,"opticalomega2":36,"opticalomegaerror":11,"opticalepsilon":36,"opticalepsilon2":36,"opticalepsilonerror":11,"opticaln":36,"opticaln2":36,"opticalnerror":11,"optical2vcalc":36,"optical2vcalc2":36,"optical2vcalcerror":11,"optical2vmeasured":36,"optical2vmeasured2":36,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":57,"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":58,"otheroccurrence":59,"type_specimen_store":11,"description_short":60,"aboutname":61,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":62,"reviewed_at":11,"variety_of":11,"varieties":63,"group_members":64,"associates":65,"confused_with":66,"type_localities":67,"occurrence_total":74,"citations":75,"images":193,"structures":214,"synonyms":238,"language_names":243,"wikidata_qid":278,"texts":279},67,"1:1:67:9","a4213236-7f10-4cb4-9fa3-16cf8722bbf8","Akaganeite","Akg",0,"mineral",null,365,false,"(Fe\u003Csup>3+\u003C\u002Fsup>,Ni\u003Csup>2+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>(OH,O)\u003Csub>16\u003C\u002Fsub>Cl\u003Csub>1.25\u003C\u002Fsub>·nH\u003Csub>2\u003C\u002Fsub>O","(Fe\u003Csup>3+\u003C\u002Fsup>,Ni\u003Csup>2+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>(OH,O)\u003Csub>16\u003C\u002Fsub>Cl\u003Csub>1.25\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21],"Cl","Fe","Ni","O","H",[17,18,20,21],[17],"7.20.6",[26],"APPROVED",1962,"4","D","K","05","6","1","Monoclinic",5,"0","10.560","3.0268","10.512","90.050",4,12,15,8,"Space Group: I2\u002Fm ; from Muonionalusta iron (IVA) meteorite","fine-grained to powdery masses, consisting of bundles of tiny spindle-like crystals up to 5 µm in length","3.52","Earthy","Transparent,Translucent","Brownish yellow","Yellowish brown, rusty brown",[53,54],"brown","yellow",[53,54],"Biaxial","r > v strong","oxidation zone of a pyrrhotite-bearing iron sulphide deposit, apparently formed from pyrrhotite by ferric-sulphate-bearing solutions","in oxidation zones of pyrrhotite-bearing iron sulphide deposits, as an important constituent of some soils, in certain geothermal brines and in sea-floor nodules, also formed as corrosion product of some meteorites","The presence of akaganeite indicates high concentrations of chloride in an acidic environment (Ståhl et al. 2003). Chemically similar to droninoite. Also compare muonionalustaite; paratacamite-(Ni).","Named after the Akagane mine, Japan, the discovery locality.  The diacritic mark was removed in 2008 by the IMA, changing the name from akaganéite to akaganeite (Burke, 2008).","2026-02-11 13:09:55",[],[],[],[],[68],{"id":69,"txt":70,"latitude":71,"longitude":72,"country":73},2193,"Akagane mine, Esashi ward, Oshu City, Iwate Prefecture, Japan",39.1666667,141.3333333,"Japan",65,[76,81,86,91,94,98,102,107,112,116,121,126,130,134,139,143,147,152,156,160,165,170,174,179,183,188],{"id":77,"year":78,"html":79,"doi":80},1193619,1935,"Weiser, Harry B., Milligan, W. O. (1935) x-Ray Studies on the Hydrous Oxides. V. Beta Ferric Oxide Monohydrate. \u003Ci>Journal Of The American Chemical Society\u003C\u002Fi>,  57 (2) 238-241 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1021\u002Fja01305a003'>doi:10.1021\u002Fja01305a003\u003C\u002Fa>","10.1021\u002Fja01305a003",{"id":82,"year":83,"html":84,"doi":85},105597,1939,"Kratky, O., Nowotny, H. (1939) Kürzere Originalmitteilungen und Notizen. Zur Kristallstruktur von ß-FeOOH. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  100 (1) 356 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1939.100.1.356'>doi:10.1524\u002Fzkri.1939.100.1.356\u003C\u002Fa>","10.1524\u002Fzkri.1939.100.1.356",{"id":87,"year":88,"html":89,"doi":90},5575,1960,"Mackay, A. L. (1960) β-Ferric Oxyhydroxide. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  32 (250) 545-557 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1960.032.250.04'>doi:10.1180\u002Fminmag.1960.032.250.04\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_32\u002F32-250-545.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1960.032.250.04",{"id":92,"year":27,"html":93,"doi":11},16099620,"Chandy, K.C. (1962) A natural occurrence of the β一form of iron oxyhydroxide. Indian Journal of Physics: 36: 484-889.",{"id":95,"year":27,"html":96,"doi":97},5700,"Mackay, A. L. (1962) β-Ferric oxyhydroxide—akaganéite. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  33 (259) 270-280 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1962.033.259.02'>doi:10.1180\u002Fminmag.1962.033.259.02\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_33\u002F33-259-270.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1962.033.259.02",{"id":99,"year":100,"html":101,"doi":11},523905,1963,"Fleischer, Michael (1963) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  48 (5-6) 708-712 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM48\u002FAM48_708.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":103,"year":104,"html":105,"doi":106},5937,1965,"Chandy, K.C. (1965) Thermal transformation of β-ferric oxyhydroxide. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  35 (272) 666-669 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1965.035.272.14'>doi:10.1180\u002Fminmag.1965.035.272.14\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_35\u002F35-272-666.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1965.035.272.14",{"id":108,"year":109,"html":110,"doi":111},88135,1968,"Nambu, Matsuo (1968) New mineral Akaganeite, β-FeOOH, from Akagane Mine, Iwate Prefecture, Japan. \u003Ci>The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists\u003C\u002Fi>,  59 (4) 143-151 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fganko1941.59.143'>doi:10.2465\u002Fganko1941.59.143\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fganko1941\u002F59\u002F4\u002F59_4_143\u002F_pdf' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fganko1941.59.143",{"id":113,"year":114,"html":115,"doi":11},16099623,1971,"American Mineralogist (1971), 56, 659.",{"id":117,"year":118,"html":119,"doi":120},562444,1979,"Murad, E. (1979) Mössbauer and X-ray data on β-FeOOH (akaganéite) \u003Ci>Clay Minerals\u003C\u002Fi>,  14 (4) 273-283 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fclaymin.1979.014.4.04'>doi:10.1180\u002Fclaymin.1979.014.4.04\u003C\u002Fa>","10.1180\u002Fclaymin.1979.014.4.04",{"id":122,"year":123,"html":124,"doi":125},12664899,1982,"Paterson, E., Swaffield, R., Clark, D.R. (1982) Thermal decomposition of synthetic akaganeite (β-FeOOH). \u003Ci>Thermochimica Acta\u003C\u002Fi>, 54. 201-211 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0040-6031(82)85079-x'>doi:10.1016\u002F0040-6031(82)85079-x\u003C\u002Fa>","10.1016\u002F0040-6031(82)85079-x",{"id":127,"year":123,"html":128,"doi":129},12665077,"Gonzalez-Calbet, J.M., Franco, M.A.Alario (1982) A thermogravimetric and electron microscopy study of the decomposition of akaganeite. \u003Ci>Thermochimica Acta\u003C\u002Fi>, 58. 45-51 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0040-6031(82)87138-4'>doi:10.1016\u002F0040-6031(82)87138-4\u003C\u002Fa>","10.1016\u002F0040-6031(82)87138-4",{"id":131,"year":132,"html":133,"doi":11},528683,1989,"Buchwald, Vagn F., Clarke, Roy S., Jr., (1989) Corrosion of Fe-Ni alloys by Cl-containing akaganeite (β-FeOOH): The Antarctic meteorite case. \u003Ci>American Mineralogist\u003C\u002Fi>,  74 (5-6) 656-667 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM74\u002FAM74_656.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":135,"year":136,"html":137,"doi":138},146604,1990,"Cornell, R. M. (1990) Transformation of Akaganéite into Goethite and Hematite in Alkaline Media. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  38 (5). 469-476 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.1990.0380502'>doi:10.1346\u002Fccmn.1990.0380502\u003C\u002Fa>","10.1346\u002Fccmn.1990.0380502",{"id":140,"year":141,"html":142,"doi":11},529025,1991,"Post, Jeffrey E., Buchwald, Vagn F. (1991) Crystal structure refinement of akaganéite. \u003Ci>American Mineralogist\u003C\u002Fi>,  76 (1-2) 272-277 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM76\u002FAM76_272.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":144,"year":145,"html":146,"doi":11},16641619,1997,"Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. - \u003Ci>Ed.\u003C\u002Fi> (1997) \u003Ci>Handbook of Mineralogy\u003C\u002Fi> Vol. 3 - Halides, Hydroxides, Oxides. Mineral Data Publishing, Tucson, Arizona. p.1-682.",{"id":148,"year":149,"html":150,"doi":151},394827,2003,"Post, Jeffrey E., Heaney, Peter J., Von Dreele, Robert B., Hanson, Jonathan C. (2003) Neutron and temperature-resolved synchrotron X-ray powder diffraction study of akaganéite. \u003Ci>American Mineralogist\u003C\u002Fi>,  88 (5) 782-788 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2003-5-607'>doi:10.2138\u002Fam-2003-5-607\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol88\u002FAM88_782.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-2003-5-607",{"id":153,"year":149,"html":154,"doi":155},10111163,"Ståhl, Kenny, Nielsen, Kurt, Jiang, Jianzhong, Lebech, Bente, Hanson, Jonathan C., Norby, Poul, van Lanschot, Jettie (2003) On the akaganéite crystal structure, phase transformations and possible role in post-excavational corrosion of iron artifacts. \u003Ci>Corrosion Science\u003C\u002Fi>, 45. 2563-2575 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fs0010-938x(03)00078-7'>doi:10.1016\u002Fs0010-938x(03)00078-7\u003C\u002Fa>","10.1016\u002Fs0010-938x(03)00078-7",{"id":157,"year":158,"html":159,"doi":11},16962583,2005,"(2005) Akaganeite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fakaganeite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":161,"year":162,"html":163,"doi":164},410611,2006,"Holtstam, Dan (2006) Akaganéite as a corrosion product of natural, non-meteoritic iron from Qeqertarsuaq, West Greenland. \u003Ci>GFF\u003C\u002Fi>,  128 (1) 69-71 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F11035890601281069'>doi:10.1080\u002F11035890601281069\u003C\u002Fa>","10.1080\u002F11035890601281069",{"id":166,"year":167,"html":168,"doi":169},10112202,2007,"Rémazeilles, C., Refait, Ph. (2007) On the formation of β-FeOOH (akaganéite) in chloride-containing environments. \u003Ci>Corrosion Science\u003C\u002Fi>, 49. 844-857 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.corsci.2006.06.003'>doi:10.1016\u002Fj.corsci.2006.06.003\u003C\u002Fa>","10.1016\u002Fj.corsci.2006.06.003",{"id":171,"year":172,"html":173,"doi":11},12909745,2008,"Burke, Ernst A. J. (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks. \u003Ci>The Mineralogical Record\u003C\u002Fi>,  39 (2) 131-135 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fuploads\u002FMR39_131.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":175,"year":176,"html":177,"doi":178},397788,2015,"Bishop, J. L., Murad, E., Dyar, M. D. (2015) Akaganeite and schwertmannite: Spectral properties and geochemical implications of their possible presence on Mars. \u003Ci>American Mineralogist\u003C\u002Fi>,  100 (4) 738-746 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2015-5016'>doi:10.2138\u002Fam-2015-5016\u003C\u002Fa>","10.2138\u002Fam-2015-5016",{"id":180,"year":176,"html":181,"doi":182},7734371,"Scheck, Johanna, Lemke, Tobias, Gebauer, Denis (2015) The Role of Chloride Ions during the Formation of Akaganéite Revisited. \u003Ci>Minerals\u003C\u002Fi>, 5 (4). 778-787 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin5040524'>doi:10.3390\u002Fmin5040524\u003C\u002Fa>","10.3390\u002Fmin5040524",{"id":184,"year":185,"html":186,"doi":187},357050,2016,"Peretyazhko, T.S., Fox, A., Sutter, B., Niles, P.B., Adams, M., Morris, R.V., Ming, D.W. (2016) Synthesis of akaganeite in the presence of sulfate: Implications for akaganeite formation in Yellowknife Bay, Gale Crater, Mars. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  188. 284-296 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.gca.2016.06.002'>doi:10.1016\u002Fj.gca.2016.06.002\u003C\u002Fa>","10.1016\u002Fj.gca.2016.06.002",{"id":189,"year":190,"html":191,"doi":192},18641906,2025,"Taddei, Alice; Holtstam, Dan; Bindi, Luca (2025) Hidden mineral treasures in rust samples of the Muonionalusta iron (IVA) meteorite. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  89 (1). 148-154 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fmgm.2024.78''>doi:10.1180\u002Fmgm.2024.78'\u003C\u002Fa>","10.1180\u002Fmgm.2024.78'",[194,204],{"id":195,"source_url":196,"license_code":197,"credit_html":198,"title":199,"description":200,"author":201,"original_width":202,"original_height":203},457,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15273971","CC BY-SA 3.0","Vassia Atanassova - Spiritia, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=15273971\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Earth-and-Man--Akaganeite.jpg","A piece of the mineral \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAkagan%C3%A9ite\" class=\"extiw\" title=\"en:Akaganéite\">Akaganéite\u003C\u002Fa>. Exhibit of the \"Earth and Man\" Museum in Sofia, Bulgaria. Discovered in Kaskasnyunchorr, Khibiny Massif, Kola Peninsula, Russia","Vassia Atanassova - Spiritia",972,1298,{"id":205,"source_url":206,"license_code":207,"credit_html":208,"title":209,"description":210,"author":211,"original_width":212,"original_height":213},461,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130425563","CC BY 4.0","Henk Smeets – tomeikminerals.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130425563\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Akaganeite Tomeik.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAkaganeite\" class=\"extiw\" title=\"en:Akaganeite\">Akaganeite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view: 0,3 mm high\u003C\u002Fdd>\n\u003Cdd>Locality: Genna zinc smelter, Letmathe, North Rhine-Westphalia\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Henk Smeets – tomeikminerals.com",1920,1268,[215,222,227,232],{"id":216,"url":217,"label":218,"formula":219,"spacegroup":220,"year":221},137,"\u002Fcif\u002F137.cif","Demourgues 2011","Fe4 O5.9 H2.6 F2.8","I 1 2\u002Fm 1",2011,{"id":223,"url":224,"label":225,"formula":226,"spacegroup":220,"year":149},138,"\u002Fcif\u002F138.cif","Post 2003","Fe2 O4 Cl.42 H2.32",{"id":228,"url":229,"label":230,"formula":231,"spacegroup":220,"year":141},139,"\u002Fcif\u002F139.cif","Post 1991","Fe4 O8 Cl.675",{"id":233,"url":234,"label":235,"formula":236,"spacegroup":237,"year":88},140,"\u002Fcif\u002F140.cif","Mackay 1960","Fe4 O8.675 Cl.325 H5.67","I 4\u002Fm",[239,240,241,242],"Akaganeiet","Akaganeitt","Akganéite","IMA1962-004",[244,248,253,257,261,265,269,274],{"lang":245,"names":246},"ca",[247],"akaganeïta",{"lang":249,"names":250},"de",[251,252],"Akaganeit","IMA 1962-004",{"lang":254,"names":255},"es",[256,242],"Akaganeíta",{"lang":258,"names":259},"eu",[260],"Akaganeïta",{"lang":262,"names":263},"fr",[264],"Akaganéite",{"lang":266,"names":267},"it",[268],"akaganeite",{"lang":270,"names":271},"ja",[272,273],"赤金石","赤金鉱",{"lang":275,"names":276},"lv",[277],"Akaganeīts","Q2251499",{"history":11,"applications":11}]