[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1356":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":11,"ima_formula":16,"elements":17,"sigelements":27,"key_elements":11,"impurities":28,"cim":29,"ima_status":30,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":32,"discovery_year":33,"strunz10ed1":34,"strunz10ed2":35,"strunz10ed3":36,"strunz10ed4":37,"dana8ed1":38,"dana8ed2":39,"dana8ed3":40,"dana8ed4":40,"csystem":41,"cclass":11,"spacegroup":11,"spacegroupset":42,"a":43,"b":44,"c":45,"alpha":42,"beta":46,"gamma":42,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":47,"csmetamict":14,"commentcrystal":48,"twinning":49,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":50,"hmin":51,"hmax":52,"hardtype":11,"vhnmin":42,"vhnmax":42,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":53,"dmeas2":53,"dcalc":53,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":54,"lustretype":54,"commentluster":11,"diapheny":55,"streak":56,"colour":57,"commentcolor":11,"colors":58,"streak_colors":63,"luminescence":11,"uv":11,"cleavage":64,"cleavagetype":65,"fracturetype":11,"tenacity":66,"commentbreak":11,"opticaltype":67,"opticalsign":68,"opticalalpha":69,"opticalalpha2":42,"opticalalphaerror":11,"opticalbeta":70,"opticalbeta2":42,"opticalbetaerror":11,"opticalgamma":70,"opticalgamma2":42,"opticalgammaerror":11,"opticalomega":42,"opticalomega2":42,"opticalomegaerror":11,"opticalepsilon":42,"opticalepsilon2":42,"opticalepsilonerror":11,"opticaln":42,"opticaln2":42,"opticalnerror":11,"optical2vcalc":42,"optical2vcalc2":42,"optical2vcalcerror":11,"optical2vmeasured":34,"optical2vmeasured2":42,"optical2vmeasurederror":11,"rimin":71,"rimax":72,"opticaldispersion":73,"opticalpleochroism":74,"opticalpleochorismdesc":75,"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":11,"otheroccurrence":11,"type_specimen_store":76,"description_short":77,"aboutname":78,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":79,"reviewed_at":11,"variety_of":11,"varieties":80,"group_members":81,"associates":99,"confused_with":100,"type_localities":101,"occurrence_total":108,"citations":109,"images":131,"structures":142,"synonyms":143,"language_names":146,"wikidata_qid":171,"texts":172},1356,"1:1:1356:3","a84de561-66e4-4c94-b756-09c42d91e9c9","Eggletonite","Egg",0,"mineral",null,35532,190,false,"(Na,K,Ca)\u003Csub>2\u003C\u002Fsub>(Mn,Fe)\u003Csub>8\u003C\u002Fsub>(Si,Al)\u003Csub>12\u003C\u002Fsub>O\u003Csub>29\u003C\u002Fsub>(OH)\u003Csub>7\u003C\u002Fsub>·11H\u003Csub>2\u003C\u002Fsub>O","(Na,K,Ca)\u003Csub>x\u003C\u002Fsub>Mn\u003Csub>6\u003C\u002Fsub>(Si,Al)\u003Csub>10\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O (x = 1-2; n = 7-11)",[18,19,20,21,22,23,24,25,26],"Al","Ca","Fe","Mn","Na","Si","O","K","H",[21,22,23,24,26],",Zn,Mg,,","16.16.14",[31],"APPROVED",1984,"1977","9","E","G","30","74","1","2","Monoclinic","0","5.55","13.72","25.00","93.95",2,"Point Group: 2\u002Fm or m:; : Space Group: I2\u002Fa or Ia:","On {001}.","clusters of divergent sprays of radiating acicular prisms, to 2 cm",3,4,"2.76","Vitreous","Translucent","Light Brown","Dark to golden brown, red-brown",[59,60,61,62],"brown","red","yellow","colorless",[59],"[001] Perfect","Perfect","very brittle","Biaxial","-","1.566","1.606",1.566,1.606,"r > v strong","Weak","X = pale brown to colorless; Y = Z = pale yellow-brown.","National Museum of Natural History, Washington, D.C., USA, 137143.","Ganophyllite Group. The sodium analogue of Ganophyllite.\r\n\r\nNot to be confused with the unrelated mercury mineral Eglestonite.","Named by D. Peacor, P.J. Dunn, and W.B. Simmons in 1984 in honor of Dr. Richard Anthony Eggleton, mineralogist at the Australian National University and an expert on the crystal chemistry of the stilpnomelane group of minerals.  It was first found in the Big Rock Quarry by Mr. Cecil Cosse in 1975 and submitted to the Smithsonian Institution for examination in 1977.","2025-08-11 12:14:19",[],[82,91],{"id":83,"name":84,"entrytype":9,"csystem":41,"ima_formula":85,"mindat_formula":86,"hmin":52,"hmax":87,"dmeas":88,"dcalc":89,"primary_image_id":90},1649,"Ganophyllite","(K,Na)\u003Csub>x\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>(Si,Al)\u003Csub>10\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O (x = 1-2; n = 7-11)","(K,Na,Ca)\u003Csub>2\u003C\u002Fsub>Mn\u003Csub>8\u003C\u002Fsub>(Si,Al)\u003Csub>12\u003C\u002Fsub>(O,OH)\u003Csub>32\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O",4.5,"2.77","2.975",9646,{"id":92,"name":93,"entrytype":9,"csystem":41,"ima_formula":94,"mindat_formula":95,"hmin":52,"hmax":52,"dmeas":96,"dcalc":97,"primary_image_id":98},7080,"Tamaite","(Ca,K,Na)\u003Csub>x\u003C\u002Fsub>Mn\u003Csub>6\u003C\u002Fsub>(Si,Al)\u003Csub>10\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O (x = 1-2; n = 7-11)","(Ca,K,Ba,Na)\u003Csub>3-4\u003C\u002Fsub>Mn\u003Csub>24\u003C\u002Fsub>(Si,Al)\u003Csub>40\u003C\u002Fsub>(O,OH)\u003Csub>112\u003C\u002Fsub>·21H\u003Csub>2\u003C\u002Fsub>O","2.85","2.83",23517,[],[],[102],{"id":103,"txt":104,"latitude":105,"longitude":106,"country":107},7795,"Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA",34.6908333,-92.2880556,"USA",5,[110,114,118,123,127],{"id":111,"year":32,"html":112,"doi":113},3592,"Peacor, Donald R., Dunn, Pete J., Simmons, William B. (1984) Eggletonite, the Na analogue of ganophyllite. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  48 (346) 93-96 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1984.048.346.12'>doi:10.1180\u002Fminmag.1984.048.346.12\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_48\u002F48-346-93.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1984.048.346.12",{"id":115,"year":116,"html":117,"doi":11},528086,1985,"Dunn, Pete J., Gobel, Volker, Grice, Joel D., Puziewicz, Jacek, Shigley, James E., Vanko, David A., Zilczer, Janet (1985) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (3-4) 436-441 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_436.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":119,"year":120,"html":121,"doi":122},3887,1986,"Guggenheim, Stephen, Eggleton, Richard A. (1986) Cation exchange in ganophyllite. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  50 (357) 517-520 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1986.050.357.15'>doi:10.1180\u002Fminmag.1986.050.357.15\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_50\u002F50-357-517.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1986.050.357.15",{"id":124,"year":125,"html":126,"doi":11},16964082,2001,"(2001) Eggletonite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Feggletonite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":128,"year":129,"html":130,"doi":11},16108217,2003,"Hughes, J.M., Rakovan, J., Bracco, R., Gunter, M.E. (2003) The atomic arrangement of the ganophyllite-group modulated layer silicates as determined from the orthorhombic dimorph of tamaite, with the elusive 16.8 Å ganophyllite-group superstructure revealed. American Mineralogist: 88: 1324-1330.",[132],{"id":133,"source_url":134,"license_code":135,"credit_html":136,"title":137,"description":138,"author":139,"original_width":140,"original_height":141},7646,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=145788585","CC BY 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=145788585\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Eggletonite.jpg","Brown acicular crystals of the rare mineral eggletonite from the TL in Arkansas: Granite Mountain Quarry #1, Little Rock, Pulaski County, Arkansas, United States of America. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",668,545,[],[144,145],"Eggletoniet","IMA1982-059",[147,151,156,160,163,167],{"lang":148,"names":149},"ca",[150],"eggletonita",{"lang":152,"names":153},"de",[154,155],"Eggletonit","IMA 1982-059",{"lang":157,"names":158},"eu",[159],"Eggletonita",{"lang":161,"names":162},"it",[7],{"lang":164,"names":165},"sl",[166],"eggletonit",{"lang":168,"names":169},"sr",[170],"еглетонит","Q3720326",{"history":11,"applications":11}]