[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:792":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":22,"key_elements":23,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":27,"approval_year":28,"publication_year":28,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":35,"dana8ed3":35,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":40,"c":40,"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":45,"hardtype":11,"vhnmin":40,"vhnmax":40,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":40,"dmeas2":40,"dcalc":46,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":47,"commentluster":11,"diapheny":48,"streak":11,"colour":49,"commentcolor":11,"colors":50,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":53,"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":54,"opticalinternal":55,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":56,"specdispm":11,"ir":11,"electrical":11,"magnetism":57,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":58,"otheroccurrence":11,"type_specimen_store":59,"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":109,"confused_with":110,"type_localities":111,"occurrence_total":118,"citations":119,"images":155,"structures":166,"synonyms":173,"language_names":176,"wikidata_qid":194,"texts":195},792,"1:1:792:0","14f77fd3-de85-4b16-ad4d-d109dd284c70","Brunogeierite","Bng",0,"mineral",null,52868,96,false,"Ge\u003Csup>4+\u003C\u002Fsup>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","Some solid solution towards magnetite: Fe2+Ge4+ = 2Fe3+.","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Ge\u003Csup>4+\u003C\u002Fsup>O\u003Csub>4\u003C\u002Fsub>",[19,20,21],"Fe","Ge","O",[19,20,21],[20],"7.11.15",[26],"APPROVED","A modification of the end-member formula was accepted in IMA proposal 11A ( CMNC Newsletter 9)",1972,"1972","9","A","C","15","51","3","2","Isometric",32,222,"0","8.409 - 8.416",8,"Crystals rare. Usually as crusts or rims on tennantite (Tsumeb) or inclusions in sphalerite or magnetite (France).","Crusts, 40-50 microns thick, on tennantite.",5,"5.51","Sub-Metallic","Opaque","Grey-black",[51,52],"gray","black","Isotropic","Grey","Brown","(15.5%) 400 nm, (15.0%)420 nm, (14.5%) 440 nm, (14.1%) 460 nm, (13.8%) 480 nm, (13.6%) 500nm, (13.4%) 520 nm, (13.3%) 540 nm, (13.2%) 560 nm, (13.1%) 580 nm, (13.0%) 600 nm, (13.0%) 620 nm, (12.9%) 640 nm, (12.8%) 660 nm, (12.8%) 680 nm, (12.8%) 700 nm","Ferromagnetic","Lower oxidation zone of dolostone-hosted hydrothermal polymetallic ore deposit at 930 m depth, formed by alteration of Ge-rich sulfides.","No designated type material.","Nesogermanate member of the ringwoodite group (Cempírek & Groat 2013).\r\n\r\nCompare Unnamed (Iron Germanium Oxide).","Named after Dr. Bruno H. Geier (1902-1987), former Chief Mineralogist, Tsumeb Corporation.","2026-03-30 09:45:19",[],[65,70,79,87,94,101],{"id":66,"name":67,"entrytype":9,"csystem":37,"ima_formula":68,"mindat_formula":68,"hmin":11,"hmax":11,"dmeas":11,"dcalc":69,"primary_image_id":11},43891,"Ahrensite","SiFe\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","4.135",{"id":71,"name":72,"entrytype":9,"csystem":37,"ima_formula":73,"mindat_formula":74,"hmin":75,"hmax":76,"dmeas":40,"dcalc":77,"primary_image_id":78},1548,"Filipstadite","(Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>Sb\u003Csup>5+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","(Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>Sb\u003Csup>5+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)Mn\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>",6,6.5,"4.9",8923,{"id":80,"name":81,"entrytype":9,"csystem":37,"ima_formula":82,"mindat_formula":82,"hmin":83,"hmax":83,"dmeas":84,"dcalc":85,"primary_image_id":86},3331,"Qandilite","(Mg,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>(Ti,Fe\u003Csup>3+\u003C\u002Fsup>,Al)O\u003Csub>4\u003C\u002Fsub>",7,"4.03","4.04",20383,{"id":88,"name":89,"entrytype":9,"csystem":37,"ima_formula":90,"mindat_formula":91,"hmin":11,"hmax":11,"dmeas":40,"dcalc":92,"primary_image_id":93},3421,"Ringwoodite","SiMg\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","(Mg,Fe\u003Csup>2+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub>","3.9",20946,{"id":95,"name":96,"entrytype":9,"csystem":97,"ima_formula":98,"mindat_formula":98,"hmin":11,"hmax":11,"dmeas":40,"dcalc":99,"primary_image_id":100},7072,"Tegengrenite","Trigonal","(Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>Sb\u003Csup>5+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)Mg\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","4.58",23745,{"id":102,"name":103,"entrytype":9,"csystem":37,"ima_formula":104,"mindat_formula":105,"hmin":106,"hmax":75,"dmeas":40,"dcalc":107,"primary_image_id":108},4089,"Ulvöspinel","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>TiO\u003Csub>4\u003C\u002Fsub>","TiFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>",5.5,"4.78",2677,[],[],[112],{"id":113,"txt":114,"latitude":115,"longitude":116,"country":117},2428,"Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia",-19.2270412,17.7276421,"Namibia",9,[120,123,127,132,136,141,145,150],{"id":121,"year":28,"html":122,"doi":11},17058186,"Ottemann, J., Nuber, B. (1972) Brunogeierite, ein Germanium-ferritspinell von Tsumeb. \u003Ci>Neues Jahrbuch für Mineralogie - Monatshefte\u003C\u002Fi>,  1972. 263-267",{"id":124,"year":125,"html":126,"doi":11},526030,1973,"Fleischer, Michael (1973) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  58 (3-4). 347-349 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM58\u002FAM58_347.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":128,"year":129,"html":130,"doi":131},243277,2001,"Welch, M. D., Cooper, M. A., Hawthorne, F. C. (2001) The crystal structure of brunogeierite, Fe\u003Csub>2\u003C\u002Fsub>GeO\u003Csub>4\u003C\u002Fsub> spinel. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  65 (3) 441-444 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F002646101300119529'>doi:10.1180\u002F002646101300119529\u003C\u002Fa>","10.1180\u002F002646101300119529",{"id":133,"year":134,"html":135,"doi":11},16963391,2005,"(2005) Brunogeierite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fbrunogeierite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":137,"year":138,"html":139,"doi":140},244170,2011,"Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011. CNMNC Newsletter No 9. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  75 (4) 2535-2540 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2011.075.4.2535'>doi:10.1180\u002Fminmag.2011.075.4.2535\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fuploads\u002FMM75_2535.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.2011.075.4.2535",{"id":142,"year":143,"html":144,"doi":11},16693527,2013,"Cempírek, J., Groat, L. A. (2013) Note on the formula of brunogeierite and the first bond-valence parameters for Ge\u003Csup>2+\u003C\u002Fsup>. \u003Ci>Journal of GEOsciences\u003C\u002Fi>,  58 (1) 71-74 \u003Ca target='_blank' href='http:\u002F\u002Fwww.jgeosci.org\u002Fcontent\u002Fjgeosci.130_cempirek.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":146,"year":147,"html":148,"doi":149},397578,2014,"Biagioni, C., Pasero, M. (2014) The systematics of the spinel-type minerals: An overview. \u003Ci>American Mineralogist\u003C\u002Fi>,  99 (7) 1254-1264 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2014.4816'>doi:10.2138\u002Fam.2014.4816\u003C\u002Fa>","10.2138\u002Fam.2014.4816",{"id":151,"year":152,"html":153,"doi":154},17064030,2022,"Ambrosetti, Marco, Bini, Marcella (2022) The Renewed Interest on Brunogeierite, GeFe2O4, a Rare Mineral of Germanium: A Review. \u003Ci>Molecules\u003C\u002Fi>,  27 (23) 8484 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmolecules27238484'>doi:10.3390\u002Fmolecules27238484\u003C\u002Fa>","10.3390\u002Fmolecules27238484",[156],{"id":157,"source_url":158,"license_code":159,"credit_html":160,"title":161,"description":162,"author":163,"original_width":164,"original_height":165},4094,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=190046575","Public domain","Franz Neuhold (formerly Breier), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=190046575\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Brunogeierite-1126651.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBrunogeierite\" class=\"extiw\" title=\"en:Brunogeierite\">Brunogeierite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view: 600 μm\u003C\u002Fdd>\n\u003Cdd>Locality: Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia\u003C\u002Fdd>\n\u003Cdd>Description: Shiny brunogeierite xls between larger chalcosite (not in picture; as is stottite, which why it was checked by SEM-EDS) covered with a delicate greenish-yellowish crystalline layer with detected Ge and Fe only. Maybe eyselite or related?\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Franz Neuhold (formerly Breier)",1214,1008,[167],{"id":168,"url":169,"label":170,"formula":171,"spacegroup":172,"year":129},1990,"\u002Fcif\u002F1990.cif","Welch 2001","Ge Fe2 O4","F d 3 m",[174,175],"Brunogeieriet","IMA1972-004",[177,181,186,190],{"lang":178,"names":179},"ca",[180],"brunogeierita",{"lang":182,"names":183},"de",[184,185],"Brunogeierit","IMA 1972-004",{"lang":187,"names":188},"eu",[189],"Brunogeierita",{"lang":191,"names":192},"it",[193],"brunogeierite","Q3645989",{"history":11,"applications":11}]