[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:43875":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":14,"elements":15,"sigelements":22,"key_elements":23,"impurities":11,"cim":11,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":26,"publication_year":27,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":32,"dana8ed3":32,"dana8ed4":32,"csystem":33,"cclass":34,"spacegroup":35,"spacegroupset":36,"a":37,"b":11,"c":38,"alpha":11,"beta":11,"gamma":11,"aerror":39,"berror":11,"cerror":40,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":39,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":41,"tlform":42,"hmin":11,"hmax":11,"hardtype":43,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":44,"dmeas":11,"dmeas2":11,"dcalc":45,"dmeaserror":11,"dcalcerror":11,"commentdense":44,"lustre":11,"lustretype":46,"commentluster":11,"diapheny":47,"streak":48,"colour":49,"commentcolor":11,"colors":50,"streak_colors":54,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":55,"fracturetype":56,"tenacity":57,"commentbreak":11,"opticaltype":58,"opticalsign":59,"opticalalpha":11,"opticalalpha2":11,"opticalalphaerror":11,"opticalbeta":11,"opticalbeta2":11,"opticalbetaerror":11,"opticalgamma":11,"opticalgamma2":11,"opticalgammaerror":11,"opticalomega":60,"opticalomega2":11,"opticalomegaerror":61,"opticalepsilon":62,"opticalepsilon2":11,"opticalepsilonerror":61,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":11,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":11,"optical2vmeasured2":11,"optical2vmeasurederror":11,"rimin":63,"rimax":64,"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":65,"otheroccurrence":11,"type_specimen_store":66,"description_short":67,"aboutname":68,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":69,"reviewed_at":11,"variety_of":11,"varieties":70,"group_members":71,"associates":72,"confused_with":73,"type_localities":74,"occurrence_total":43,"citations":81,"images":98,"structures":109,"synonyms":110,"language_names":114,"wikidata_qid":132,"texts":133},43875,"1:1:43875:9","400b839c-cad7-4317-a09a-7fed6ffb336d","Engelhauptite","Egh",0,"mineral",null,21,false,"KCu\u003Csub>3\u003C\u002Fsub>(V\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>Cl",[16,17,18,19,20,21],"Cl","Cu","O","K","H","V",[16,17,18,19,20,21],[16,17,21],[25],"APPROVED",2013,2015,"8","F","B","05","0","Hexagonal",20,126,"P63\u002Fmmc ","5.922","14.513",2,5,"Spherulites (up to 0.2 mm in diameter) and bunches consisting of rough spindle-shaped crystals elongated parallel to [0001].","Spherulites (up to 0.2 mm in diameter) and bunches consisting of rough spindle-shaped crystals. The crystals are up to 0.12 mm long and up to 0.04 mm thick.",1,"Could not be measured because of the very small size of individual grains and the porosity of the aggregates.","3.86","Vitreous","Transparent,Translucent","Yellow","Yellow-brown to brown, typically with an olive green hue",[51,52,53],"brown","yellow","green",[52],"None Observed","Irregular\u002FUneven","brittle","Uniaxial","+","1.978",4,"2.021",1.978,2.021,"In cavities in nepheline basalts.","Type material is deposited in the collections of the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4309\u002F1 \r\n","Structurally related to volborthite, and can be considered as its analogue resulting from the replacement of H2O molecules by the equal amounts of K+ and Cl− ions (Pekov et al 2015).","Named after the German amateur mineralogist and mineral collector Bernd Engelhaupt (born 1946), who found the mineral.","2025-08-11 12:15:10",[],[],[],[],[75],{"id":76,"txt":77,"latitude":78,"longitude":79,"country":80},13178,"Kahlenberg, Oberstadtfeld, Daun, Vulkaneifel, Rhineland-Palatinate, Germany",50.1817387,6.7622395,"Germany",[82,86,90,94],{"id":83,"year":26,"html":84,"doi":85},244434,"Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2013) New minerals and nomenclature modifications approved in 2013. CNMNC Newsletter No 16. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  77 (6) 2695-2709 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2013.077.6.01'>doi:10.1180\u002Fminmag.2013.077.6.01\u003C\u002Fa>","10.1180\u002Fminmag.2013.077.6.01",{"id":87,"year":88,"html":89,"doi":11},16140044,2014,"Blaß, G. & Kruijen, F. (2014): Die Neufunde aus der Vulkaneifel. \u003Cem>Mineralien-Welt\u003C\u002Fem> 25 (2), 66-81 (in German).",{"id":91,"year":27,"html":92,"doi":93},17309,"Pekov, Igor V., Siidra, Oleg I., Chukanov, Nikita V., Yapaskurt, Vasiliy O., Britvin, Sergey N., Krivovichev, Sergey V., Schüller, Willi, Ternes, Bernd (2015) Engelhauptite, KCu\u003Csub>3\u003C\u002Fsub>(V\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>Cl, a new mineral species from Eifel, Germany. \u003Ci>Mineralogy and Petrology\u003C\u002Fi>,  109 (6) 705-711 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00710-015-0400-8'>doi:10.1007\u002Fs00710-015-0400-8\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FMP109_705.pdf' class='refpdflink'>\u003C\u002Fa>","10.1007\u002Fs00710-015-0400-8",{"id":95,"year":96,"html":97,"doi":11},16964119,2016,"(2016) Engelhauptite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fengelhauptite.pdf' class='refpdflink'>\u003C\u002Fa>",[99],{"id":100,"source_url":101,"license_code":102,"credit_html":103,"title":104,"description":105,"author":106,"original_width":107,"original_height":108},7841,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=150594759","CC BY 4.0","Henk Smeets – tomeikminerals.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=150594759\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Engelhauptite AufmKopp 0,3mm.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEngelhauptite\" class=\"extiw\" title=\"en:Engelhauptite\">Engelhauptite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view: 0.3 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Auf'm Kopp (Kahlenberg, Kallenberg) (TL), Oberstadtfeld, Daun, Vulkaneifel, Rhineland-Palatinate, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"https:\u002F\u002Fwww.mindat.org\u002Floc-13178.html\">locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Henk Smeets – tomeikminerals.com",1920,1279,[],[111,112,113],"Engelhauptiet","IMA2013-009","UM K-Cu-Al-Cl-Vanadat",[115,119,124,128],{"lang":116,"names":117},"ca",[118],"engelhauptita",{"lang":120,"names":121},"de",[122,123],"Engelhauptit","IMA 2013-009",{"lang":125,"names":126},"eu",[127],"Engelhauptita",{"lang":129,"names":130},"it",[131],"engelhauptite","Q19833532",{"history":11,"applications":11}]