[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:29254":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":11,"impurities":11,"cim":11,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":25,"publication_year":11,"discovery_year":11,"strunz10ed1":26,"strunz10ed2":27,"strunz10ed3":28,"strunz10ed4":29,"dana8ed1":30,"dana8ed2":30,"dana8ed3":30,"dana8ed4":30,"csystem":31,"cclass":32,"spacegroup":33,"spacegroupset":30,"a":34,"b":30,"c":35,"alpha":30,"beta":30,"gamma":30,"aerror":12,"berror":11,"cerror":36,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":36,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":37,"tlform":38,"hmin":36,"hmax":36,"hardtype":36,"vhnmin":30,"vhnmax":30,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":39,"dmeas2":39,"dcalc":40,"dmeaserror":41,"dcalcerror":36,"commentdense":11,"lustre":11,"lustretype":42,"commentluster":11,"diapheny":43,"streak":44,"colour":45,"commentcolor":11,"colors":46,"streak_colors":49,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":50,"fracturetype":51,"tenacity":52,"commentbreak":11,"opticaltype":53,"opticalsign":54,"opticalalpha":30,"opticalalpha2":30,"opticalalphaerror":11,"opticalbeta":30,"opticalbeta2":30,"opticalbetaerror":11,"opticalgamma":30,"opticalgamma2":30,"opticalgammaerror":11,"opticalomega":55,"opticalomega2":30,"opticalomegaerror":36,"opticalepsilon":56,"opticalepsilon2":30,"opticalepsilonerror":36,"opticaln":30,"opticaln2":30,"opticalnerror":11,"optical2vcalc":30,"optical2vcalc2":30,"optical2vcalcerror":11,"optical2vmeasured":30,"optical2vmeasured2":30,"optical2vmeasurederror":11,"rimin":57,"rimax":58,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":59,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":60,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":61,"description_short":11,"aboutname":62,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":63,"reviewed_at":11,"variety_of":11,"varieties":64,"group_members":65,"associates":66,"confused_with":67,"type_localities":68,"occurrence_total":12,"citations":75,"images":107,"structures":108,"synonyms":115,"language_names":119,"wikidata_qid":137,"texts":138},29254,"1:1:29254:6","d6bd3335-5d0b-4944-8757-fca90db270da","Gengenbachite","Gnb",0,"mineral",null,1,false,"KFe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>3\u003C\u002Fsub>OH)\u003Csub>4\u003C\u002Fsub>[PO\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O","KFe\u003Csub>3\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(HPO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub> · 6H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21],"Fe","O","P","K","H",[17,18,19,20,21],[24],"APPROVED",2006,"8","C","A","65","0","Trigonal",11,81,"9.12","16.84",2,"Simple hexagonal prisms.","Hexagonal columnar crystals intergrown with haigerachite. The reach a maximum of about 0.06 mm in length.","2.4","2.43",5,"Vitreous","Translucent","White","Pale brown",[47,48],"brown","white",[48],"None Observed","Irregular\u002FUneven","brittle","Uniaxial","+","1.592","1.596",1.592,1.596,"Anomalous pale brownish interference colours.","Soluble in dilute HCl.","n.d.","For the town of Gengenbach, adjacent to the type locality.","2025-08-11 12:14:54",[],[],[],[],[69],{"id":70,"txt":71,"latitude":72,"longitude":73,"country":74},5747,"Silberbrünnle Mine, Gengenbach, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany",48.4375,8.0844444,"Germany",[76,81,85,89,94,98,102],{"id":77,"year":78,"html":79,"doi":80},16594328,1997,"Anisimova, N., Chudinova, N., Serafin, M. (1997) Preparation and Crystal Structure of Potassium Iron Hydrogen Phosphate, KFe\u003Csub>3\u003C\u002Fsub>(HPO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub> · 4 H\u003Csub>2\u003C\u002Fsub>O. \u003Ci>Zeitschrift für anorganische und allgemeine Chemie\u003C\u002Fi>,  623 (11). 1708-1714 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fzaac.19976231106'>doi:10.1002\u002Fzaac.19976231106\u003C\u002Fa>","10.1002\u002Fzaac.19976231106",{"id":82,"year":83,"html":84,"doi":11},16135087,1998,"Walenta, Kurt (1998) Neue Mineralfunde aus dem Schwarzwald. 7. Folge, 2. Teil [New mineral finds from the Black Forest. Episode 7, Part 2]. \u003Ci>Lapis\u003C\u002Fi>,  23 (12). 43-48",{"id":86,"year":87,"html":88,"doi":11},16135088,2004,"Walenta, K., Theye, T. (2004): KFe3+3[(H2PO4)2|(HPO4)4]•6H2O, ein zweites neues Phosphatmineral von der Grube Silberbrünnle im mittleren Schwarzwald. Der Erzgräber, 18(1), 17-23. (in German)",{"id":90,"year":91,"html":92,"doi":93},395335,2005,"Piilonen, P. C. (2005) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  90 (7) 1227-1232 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2005.445'>doi:10.2138\u002Fam.2005.445\u003C\u002Fa>","10.2138\u002Fam.2005.445",{"id":95,"year":96,"html":97,"doi":11},16135090,2007,"Walenta, K., Theye, T., Hatert, F. (2007): Gengenbachit, KFe3+3(H2PO4)2(HPO4)4•6H2O, ein zweites neues Phosphatmineral von der Grube Silberbrünnle im mittleren Schwarzwald, nunmehr eine anerkannte neue Mineralart. Aufschluss, 58, 125-128. (in German)",{"id":99,"year":100,"html":101,"doi":11},16135091,2009,"Walenta, K., Theye, Th. (2009): H-reicher Gengenbachit von der Grube Silberbrünnle bei Gengenbach im mittleren Schwarzwald: Eine neue Mineralart oder nur eine Varietät? Erzgräber: 23: 37-40. (in German)",{"id":103,"year":104,"html":105,"doi":106},65104,2013,"Hu, Z.-B., Wang, C.-X., Tong, C.-Q., Huang, Y.-X., Pan, Y., Mi, J.-X. (2013) Crystal structure and magnetic property of synthetic gengenbachite, KH\u003Csub>8\u003C\u002Fsub>(Fe\u003Csub>2.66\u003C\u002Fsub>Al\u003Csub>0.34\u003C\u002Fsub>)(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>·6H\u003Csub>2\u003C\u002Fsub>O. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  51 (2) 223-232 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.51.2.223'>doi:10.3749\u002Fcanmin.51.2.223\u003C\u002Fa>","10.3749\u002Fcanmin.51.2.223",[],[109],{"id":110,"url":111,"label":112,"formula":113,"spacegroup":114,"year":104},5483,"\u002Fcif\u002F5483.cif","Hu 2013","K (Fe2.662 Al.338) P6 O30 H20.001","P 3 1 c",[116,117,118],"Gengenbachiet","IMA2001-003b","Unnamed (K-Fe-H Phosphate)",[120,124,129,133],{"lang":121,"names":122},"ca",[123],"gengenbachita",{"lang":125,"names":126},"de",[127,128],"Gengenbachit","IMA 2001-003b",{"lang":130,"names":131},"eu",[132],"Gengenbachita",{"lang":134,"names":135},"it",[136],"gengenbachite","Q19841380",{"history":11,"applications":11}]