[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:41771":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":15,"ima_formula":16,"elements":17,"sigelements":28,"key_elements":11,"impurities":11,"cim":11,"ima_status":29,"ima_notes":11,"ima_history":11,"approval_year":31,"publication_year":32,"discovery_year":11,"strunz10ed1":33,"strunz10ed2":34,"strunz10ed3":35,"strunz10ed4":36,"dana8ed1":11,"dana8ed2":11,"dana8ed3":11,"dana8ed4":11,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":11,"beta":11,"gamma":11,"aerror":44,"berror":44,"cerror":45,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":46,"csmetamict":13,"commentcrystal":47,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":48,"tlform":49,"hmin":50,"hmax":50,"hardtype":11,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":51,"dmeas2":51,"dcalc":52,"dmeaserror":44,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":11,"commentluster":11,"diapheny":53,"streak":54,"colour":55,"commentcolor":11,"colors":56,"streak_colors":61,"luminescence":11,"uv":11,"cleavage":62,"cleavagetype":63,"fracturetype":11,"tenacity":64,"commentbreak":11,"opticaltype":65,"opticalsign":66,"opticalalpha":67,"opticalalpha2":11,"opticalalphaerror":46,"opticalbeta":68,"opticalbeta2":11,"opticalbetaerror":46,"opticalgamma":69,"opticalgamma2":11,"opticalgammaerror":46,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":70,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":71,"optical2vmeasured2":11,"optical2vmeasurederror":45,"rimin":72,"rimax":73,"opticaldispersion":74,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":75,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":76,"otheroccurrence":11,"type_specimen_store":77,"description_short":78,"aboutname":79,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":80,"reviewed_at":11,"variety_of":11,"varieties":81,"group_members":82,"associates":83,"confused_with":84,"type_localities":85,"occurrence_total":50,"citations":92,"images":109,"structures":120,"synonyms":127,"language_names":130,"wikidata_qid":148,"texts":149},41771,"1:1:41771:0","ee00e443-bfa6-41ad-8a42-e9860b78a701","Günterblassite","Gbl",0,"mineral",null,254,false,"(K,Ca,Ba)\u003Csub>2\u003C\u002Fsub>(Fe,Ca,Mg,Na)[(Si,Al)\u003Csub>13\u003C\u002Fsub>O\u003Csub>25\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>]·7H\u003Csub>2\u003C\u002Fsub>O· ","Also given as (K,Ca,Ba,Na[])3Fe[(Si,Al)13O25(OH,O)4].7H2O","(K,Ca,Ba,Na,◻)\u003Csub>3\u003C\u002Fsub>Fe[(Si,Al)\u003Csub>13\u003C\u002Fsub>O\u003Csub>25\u003C\u002Fsub>(OH,O)\u003Csub>4\u003C\u002Fsub>] · 7H\u003Csub>2\u003C\u002Fsub>O",[18,19,20,21,22,23,24,25,26,27],"Al","Ba","Ca","Fe","Mg","Na","Si","O","K","H",[21,24,25,26,27],[30],"APPROVED",2011,2012,"9","E","B","25","Orthorhombic",6,34,"0"," 6.528","6.970","37.216",1,5,2,"Pnm21","Flattened, thin lamellar to tabular crystals and near-parallel to sheaf-shaped aggregates. Simply crystals are most common with {001} (major), {010} and {100}. Less common faces include the rhombic prism {110} and the {h0l} and\u002For {0kl} face belts, which are uneven and convex.","Flattened from thin lamellar to tabular crystals up to 0.2 × 1 × 1.5 mm in size and their near parallel or sheaf-shaped aggregates up to 3 mm across. ",4,"2.18","2.17 ","Transparent","White","Colorless, white, pale yellow, or brown",[57,58,59,60],"colorless","white","yellow","brown",[58],"Perfect cleavage is parallel to (001) and less perfect, to (100) and (010).","Perfect","brittle","Biaxial","+","1.488","1.490","1.493","79","80",1.488,1.493,"none","Z = c; axes of optical indicatrix are perpendicular to cleavage planes.","Alkalai basalts.","Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia with the registration number 4107\u002F1.","Related to umbrianite and hillesheimite.","Named after Günter Blaß, amateur mineralogist from Germany, who has studied minerals from the Eifel area in detail.","2025-08-11 12:15:08",[],[],[],[],[86],{"id":87,"txt":88,"latitude":89,"longitude":90,"country":91},13801,"Rother Kopf, Roth, Gerolstein, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany",50.2453111,6.6213682,"Germany",[93,97,101,105],{"id":94,"year":31,"html":95,"doi":96},244172,"Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011, CNMNC Newsletter No. 10. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  75 (5) 2549-2561 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2011.075.5.2549'>doi:10.1180\u002Fminmag.2011.075.5.2549\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fuploads\u002FMM75_2549.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.2011.075.5.2549",{"id":98,"year":32,"html":99,"doi":100},16138710,"Rastsvetaeva, R. K., Aksenov, S. M., Chukanov, N. V. (2012) Crystal structure of günterblassite, a new mineral with a triple tetrahedral layer. \u003Ci>Doklady Chemistry\u003C\u002Fi>,  442 (2) 57-62 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1134\u002Fs0012500812020115'>doi:10.1134\u002Fs0012500812020115\u003C\u002Fa>","10.1134\u002Fs0012500812020115",{"id":102,"year":32,"html":103,"doi":104},19693,"Chukanov, N. V., Rastsvetaeva, R. K., Aksenov, S. M., Pekov, I. V., Zubkova, N. V., Britvin, S. N., Belakovskiy, D. I., Schüller, W., Ternes, B. (2012) Günterblassite, (K,Ca)3 − x Fe[(Si,Al)13O25(OH,O)4] · 7H2O, a new mineral: the first phyllosilicate with triple tetrahedral layer. \u003Ci>Geology of Ore Deposits\u003C\u002Fi>,  54 (8) 656-662 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1134\u002Fs1075701512080065'>doi:10.1134\u002Fs1075701512080065\u003C\u002Fa>","10.1134\u002Fs1075701512080065",{"id":106,"year":107,"html":108,"doi":11},16964698,2022,"(2022) Günterblassite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fhandbookofmineralogy.org\u002Fpdfs\u002FGu%CC%88nterblassite.pdf' class='refpdflink'>\u003C\u002Fa>",[110],{"id":111,"source_url":112,"license_code":113,"credit_html":114,"title":115,"description":116,"author":117,"original_width":118,"original_height":119},10626,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65838751","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65838751\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Günterblassite.jpg","Colorless tabular plates of the very rare new mineral günterblassite (IMA 2011-032) from the type and only known locality worldwide (Rother Kopf, Roth, Eifel Mountains, Germany).","David Hospital",746,666,[121],{"id":122,"url":123,"label":124,"formula":125,"spacegroup":126,"year":32},5812,"\u002Fcif\u002F5812.cif","Rastvetaeva 2012","K1.2 Ca.7 Ba.3 Fe.5 Mg.15 Na.15 Si13 O36 H18","P n m 21",[128,129],"Günterblassiet","IMA2011-032",[131,135,140,144],{"lang":132,"names":133},"ca",[134],"günterblassita",{"lang":136,"names":137},"de",[138,139],"Günterblassit","IMA 2011-032",{"lang":141,"names":142},"eu",[143],"Günterblassita",{"lang":145,"names":146},"it",[147],"günterblassite","Q19841404",{"history":11,"applications":11}]