[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:821":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":20,"key_elements":11,"impurities":11,"cim":21,"ima_status":22,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":25,"discovery_year":11,"strunz10ed1":26,"strunz10ed2":27,"strunz10ed3":18,"strunz10ed4":28,"dana8ed1":29,"dana8ed2":30,"dana8ed3":31,"dana8ed4":31,"csystem":32,"cclass":33,"spacegroup":34,"spacegroupset":35,"a":36,"b":35,"c":37,"alpha":35,"beta":35,"gamma":35,"aerror":38,"berror":11,"cerror":39,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":40,"csmetamict":13,"commentcrystal":41,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":42,"tlform":11,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":35,"vhnmax":35,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":35,"dmeas2":35,"dcalc":43,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":44,"lustretype":11,"commentluster":11,"diapheny":45,"streak":44,"colour":46,"commentcolor":11,"colors":47,"streak_colors":11,"luminescence":44,"uv":11,"cleavage":52,"cleavagetype":53,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":54,"opticalsign":11,"opticalalpha":35,"opticalalpha2":35,"opticalalphaerror":11,"opticalbeta":35,"opticalbeta2":35,"opticalbetaerror":11,"opticalgamma":35,"opticalgamma2":35,"opticalgammaerror":11,"opticalomega":55,"opticalomega2":35,"opticalomegaerror":11,"opticalepsilon":56,"opticalepsilon2":35,"opticalepsilonerror":11,"opticaln":35,"opticaln2":35,"opticalnerror":11,"optical2vcalc":35,"optical2vcalc2":35,"optical2vcalcerror":11,"optical2vmeasured":35,"optical2vmeasured2":35,"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":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":59,"otheroccurrence":11,"type_specimen_store":60,"description_short":61,"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":73,"type_localities":75,"occurrence_total":85,"citations":86,"images":134,"structures":135,"synonyms":151,"language_names":157,"wikidata_qid":173,"texts":174},821,"1:1:821:1","6e671889-2284-40cd-a018-4a12ab30fad6","Bütschliite","Büt",0,"mineral",null,25,false,"K\u003Csub>2\u003C\u002Fsub>Ca(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>",[16,17,18,19],"Ca","O","C","K",[16,17,18,19],"11.1.17",[23,24],"APPROVED","GRANDFATHERED",1947,"5","A","15","14","3","1","Trigonal",13,99,"0","5.3822","18.156",4,2,3,"On synthetic; at 6 GPa transforms to monoclinic (C2\u002Fm) phase (Zeff et al. 2024)","Microscopic barrel-shaped crystals elongated [0001], earthy to porcellaneous masses.","2.607","(not reported)","Translucent","Grayish yellow, brownish gray, may be pale green",[48,49,50,51],"yellow","gray","brown","green","Good (?) on {0001}","Distinct\u002FGood","Uniaxial","1.595","1.455",1.455,1.595,"Clinkers formed by the fusion of wood ash in partly burned trees.","National Museum of Natural History, Washington, D.C., USA, 105675, 105676.","The low-temperature polymorph of fairchildite.\r\nThe transformation between bütschliite and fairchildite was studied by Kahlenberg et al. (2025).\r\nPreviously considered a poorly studied material that should probably not be afforded species status.","Named after Johann Adam Otto  Bütschli (1848-1920), Heidelberg, Germany, who prepared the artificial compound.","2025-08-11 12:14:19",[],[],[67],{"id":68,"name":69,"entrytype":9,"csystem":70,"ima_formula":14,"mindat_formula":14,"hmin":71,"hmax":71,"dmeas":35,"dcalc":72,"primary_image_id":11},1442,"Fairchildite","Hexagonal",2.5,"2.45",[74],{"id":68,"name":69,"entrytype":9,"csystem":70,"ima_formula":14,"mindat_formula":14,"hmin":71,"hmax":71,"dmeas":35,"dcalc":72,"primary_image_id":11},[76,80],{"id":77,"txt":78,"latitude":11,"longitude":11,"country":79},22329,"Grand Canyon National Park, Arizona, USA","USA",{"id":81,"txt":82,"latitude":83,"longitude":84,"country":79},31375,"Coolin, Kaniksu National Forest, Bonner County, Idaho, USA",48.4797222,-116.8494444,8,[87,90,93,97,101,105,109,113,117,121,125,129],{"id":88,"year":11,"html":89,"doi":11},17122067,"Zeff, G., Kalkan, B., Armstrong, K., Kunz, M., Williams, Q. (2024): High pressure raman spectroscopy and X-ray diffraction of K2Ca(CO3)2 bütschliite: multiple pressure-induced phase transitions in a double carbonate. Physics and Chemistry of Minerals, 51, 2. ",{"id":91,"year":25,"html":92,"doi":11},521726,"Milton, Charles, Axelrod, Joseph (1947) Fused wood-ash stones: Fairchildite (n.sp.) K2CO3·CaCO3, buetschliite (n.sp.) 3K2CO3·2CaCO3·6H2O and calcite, CaCO3, their essential components. \u003Ci>American Mineralogist\u003C\u002Fi>,  32 (11-12) 607-624 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM32\u002FAM32_607.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":94,"year":95,"html":96,"doi":11},1118652,1951,"Palache, Charles; Berman, Harry; Frondel, Clifford (1951) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.",{"id":98,"year":99,"html":100,"doi":11},19426843,1958,"Dawson, Kenneth Ralph; Sabina, Ann P. (1958) A Canadian occurrence of fairchildite and buetschliite [Ontario]. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  6 (2). 290-291 \u003Ca target='_blank' href='https:\u002F\u002Fwww.rruff.net\u002Fdoclib\u002Fcm\u002Fvol6\u002FCM6_290.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":102,"year":103,"html":104,"doi":11},16171308,1965,"MANDARINO, J.A. & HARRIS, D.C. (1965) New Canadian mineral occurrences. Canadian Mineralogist, 8, 377-381.",{"id":106,"year":107,"html":108,"doi":11},16104315,1966,"Mrose, M.E., Rose, H.J., Marinenko, J.W. (1966) Synthesis and properties of fairchildite and buetschliite: their relationship in wood-ash stone formation. Geological Society of America Special Paper: 101: 146.",{"id":110,"year":111,"html":112,"doi":11},12906545,1971,"Dietrich, Richard V. (1971) An Occurrence of Buetschliite East of the Rocky Mountains. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 2 (3) 130-132",{"id":114,"year":115,"html":116,"doi":11},526236,1974,"Pabst, Adolf (1974) Synthesis, properties, and structure of K2Ca(CO3)2, buetschliite. \u003Ci>American Mineralogist\u003C\u002Fi>,  59 (3-4) 353-358 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM59\u002FAM59_353.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":118,"year":119,"html":120,"doi":11},18033590,1980,"Knobloch, D., Pertlik, F., Zemann, J. (1980) Crystal structure refinements of buetschliite and eitelite: a contribution to the stereochemistry of trigonal carbonate minerals. \u003Ci>Neues Jahrbuch für Mineralogie - Monatshefte\u003C\u002Fi>,  1980 (5). 230-236",{"id":122,"year":123,"html":124,"doi":11},16104319,1984,"Effenberger, H., Langhof, H. (1984) On the aplanarity of the CO3 group in buetschliite, dipotassium calcium dicarbonate, K2Ca(CO3)2: a further refinement of the atomic arrangement. Acta Crystallographica: C40: 1299-1300.",{"id":126,"year":127,"html":128,"doi":11},16963425,2005,"(2005) Bütschliite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fbutschliite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":130,"year":131,"html":132,"doi":133},17947325,2025,"Kahlenberg, Volker, Braun, Doris E., Schmidt, Wolfgang, Liu, Hang, Leiting, Sebastian, Weidenthaler, Claudia (2025) Mechanochemical synthesis and transformation of the polymorphic double carbonates fairchildite and buetschliite, (K\u003Csub>2\u003C\u002Fsub>Ca(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>): an \u003Ci>in situ\u003C\u002Fi> X-ray powder diffraction study. \u003Ci>RSC Mechanochemistry\u003C\u002Fi>,  2 (1). 152-158 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1039\u002Fd4mr00093e'>doi:10.1039\u002Fd4mr00093e\u003C\u002Fa>","10.1039\u002Fd4mr00093e",[],[136,142,146],{"id":137,"url":138,"label":139,"formula":140,"spacegroup":141,"year":123},2065,"\u002Fcif\u002F2065.cif","Effenberger 1984","K2 Ca C2 O6","R -3 m",{"id":143,"url":144,"label":145,"formula":140,"spacegroup":141,"year":119},2066,"\u002Fcif\u002F2066.cif","Knobloch 1980",{"id":147,"url":148,"label":149,"formula":150,"spacegroup":141,"year":115},2067,"\u002Fcif\u002F2067.cif","Pabst 1974","Ca K2 C2 O6",[152,153,154,155,156],"Buetschliit","Buetschliita","Buetschliite","Bütschliiet","Gel-Calcit",[158,162,166,170],{"lang":159,"names":160},"ca",[161],"bütschliïta",{"lang":163,"names":164},"de",[165],"Bütschliit",{"lang":167,"names":168},"eu",[169],"Bütschliita",{"lang":171,"names":172},"it",[7],"Q1021821",{"history":11,"applications":11}]