[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:6909":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":24,"key_elements":11,"impurities":11,"cim":11,"ima_status":25,"ima_notes":28,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":11,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":34,"dana8ed3":34,"dana8ed4":34,"csystem":35,"cclass":11,"spacegroup":11,"spacegroupset":34,"a":34,"b":34,"c":34,"alpha":34,"beta":34,"gamma":34,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":11,"csmetamict":14,"commentcrystal":36,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":34,"vhnmax":34,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":34,"dmeas2":34,"dcalc":34,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":11,"commentluster":11,"diapheny":11,"streak":11,"colour":11,"commentcolor":11,"colors":11,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":34,"opticalalpha2":34,"opticalalphaerror":11,"opticalbeta":34,"opticalbeta2":34,"opticalbetaerror":11,"opticalgamma":34,"opticalgamma2":34,"opticalgammaerror":11,"opticalomega":34,"opticalomega2":34,"opticalomegaerror":11,"opticalepsilon":34,"opticalepsilon2":34,"opticalepsilonerror":11,"opticaln":34,"opticaln2":34,"opticalnerror":11,"optical2vcalc":34,"optical2vcalc2":34,"optical2vcalcerror":11,"optical2vmeasured":34,"optical2vmeasured2":34,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"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":11,"otheroccurrence":11,"type_specimen_store":37,"description_short":38,"aboutname":39,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":40,"reviewed_at":11,"variety_of":11,"varieties":41,"group_members":42,"associates":101,"confused_with":102,"type_localities":103,"occurrence_total":110,"citations":111,"images":128,"structures":155,"synonyms":156,"language_names":158,"wikidata_qid":174,"texts":175},6909,"1:1:6909:6","d19bf3a2-7b62-4de5-95bf-5e36c502e1e3","Eastonite","Eas",0,"mineral",null,677,213,false,"KMg\u003Csub>2\u003C\u002Fsub>Al(Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>","KAlMg\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>)O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",[18,19,20,21,22,23],"Al","Mg","Si","O","K","H",[18,19,20,21,22,23],[26,27],"APPROVED","GRANDFATHERED",[29],"REDEFINED","9","E","C","20","0","Monoclinic","No crystallography","No defined type material.","Mica Group.\r\nCompare the chemically similar phlogopite.\r\nForms a series with siderophyllite.\r\n\r\nTrioctahedral mica.","Named in 1925 by Alexander N. Winchell in 1899 after the type locality at Chestnut Hill, Easton, Pennsylvania, USA. The name eastonite was first used by Samuel Harbert Hamilton also after the type locality at Chestnut Hill, Easton, Pennsylvania, USA, but it not certain if Hamilton's mica was the same material as described by Winchell, although there has been much historical discussion of what eastonite actually is.","2025-08-11 12:14:27",[],[43,52,58,65,72,78,85,92,97],{"id":44,"name":45,"entrytype":9,"csystem":35,"ima_formula":46,"mindat_formula":46,"hmin":47,"hmax":48,"dmeas":49,"dcalc":50,"primary_image_id":51},241,"Annite","KFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>",2.5,3,"3.3","3.36",1491,{"id":53,"name":54,"entrytype":9,"csystem":35,"ima_formula":55,"mindat_formula":55,"hmin":48,"hmax":48,"dmeas":56,"dcalc":57,"primary_image_id":11},10333,"Fluorannite","KFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>3\u003C\u002Fsub>Al)O\u003Csub>10\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","3.16","3.23",{"id":59,"name":60,"entrytype":9,"csystem":35,"ima_formula":61,"mindat_formula":61,"hmin":62,"hmax":48,"dmeas":34,"dcalc":63,"primary_image_id":64},29139,"Fluorophlogopite","KMg\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>3\u003C\u002Fsub>Al)O\u003Csub>10\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>",2,"2.83",9220,{"id":66,"name":67,"entrytype":9,"csystem":35,"ima_formula":68,"mindat_formula":69,"hmin":48,"hmax":70,"dmeas":11,"dcalc":71,"primary_image_id":11},40156,"Fluorotetraferriphlogopite","KMg\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>Si\u003Csub>3\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","KMg\u003Csub>3\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>Si\u003Csub>3\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)F\u003Csub>2\u003C\u002Fsub>",4,"2.966",{"id":73,"name":74,"entrytype":9,"csystem":35,"ima_formula":75,"mindat_formula":75,"hmin":48,"hmax":48,"dmeas":76,"dcalc":77,"primary_image_id":11},39713,"Oxyphlogopite","K(Mg,Ti,Fe)\u003Csub>3\u003C\u002Fsub>[(Si,Al)\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>](O,F)\u003Csub>2\u003C\u002Fsub>","3.06","3.086",{"id":79,"name":80,"entrytype":9,"csystem":35,"ima_formula":81,"mindat_formula":81,"hmin":62,"hmax":48,"dmeas":82,"dcalc":83,"primary_image_id":84},3193,"Phlogopite","KMg\u003Csub>3\u003C\u002Fsub>(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>","2.78","2.79",19310,{"id":86,"name":87,"entrytype":9,"csystem":35,"ima_formula":88,"mindat_formula":89,"hmin":47,"hmax":48,"dmeas":90,"dcalc":91,"primary_image_id":11},3651,"Siderophyllite","KFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Al(Si\u003Csub>2\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>)O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","KFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Al(Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>","3.1","3.17",{"id":93,"name":94,"entrytype":9,"csystem":35,"ima_formula":95,"mindat_formula":95,"hmin":47,"hmax":48,"dmeas":34,"dcalc":34,"primary_image_id":96},7333,"Tetraferriannite","KFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",23919,{"id":98,"name":99,"entrytype":9,"csystem":35,"ima_formula":100,"mindat_formula":100,"hmin":11,"hmax":11,"dmeas":34,"dcalc":34,"primary_image_id":11},3922,"Tetraferriphlogopite","KMg\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",[],[],[104],{"id":105,"txt":106,"latitude":107,"longitude":108,"country":109},10113,"Sherrer Quarry, C.K. Williams Quarry complex, Chestnut Hill, Easton, Northampton County, Pennsylvania, USA",40.7134317,-75.1965652,"USA",20,[112,116,120,124],{"id":113,"year":114,"html":115,"doi":11},16130445,1899,"Hamilton, Samuel Harbert (1899) Mineral Collector, 6, 118.",{"id":117,"year":118,"html":119,"doi":11},16130446,1925,"Winchell, A.N. (1925) Studies in the mica group - Part 1. American Journal of Science, 9, 309-327.",{"id":121,"year":122,"html":123,"doi":11},528221,1987,"Livi, Kenneth J. T., Veblen, David R. (1987) Eastonite from Easton, Pennsylvania: A mixture of phlogopite and a new form of serpentine. \u003Ci>American Mineralogist\u003C\u002Fi>,  72 (1-2) 113-125 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM72\u002FAM72_113.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":125,"year":126,"html":127,"doi":11},15949274,1998,"Rieder, M., Cavazzini, G., D’Yakonov, Y.S., Frank-Kamenetskii, V.A., Gottardt, G., Guggenheim, S., Koval, P.V., Muller, G., Neiva, A.M.R., Radoslovich, E.W., Robert, J.L., Sassi, F.P., Takeda, H., Weiss, Z., Wones, D.R. (1998) Nomenclature of the micas. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  36 (3) 905-912 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fuploads\u002FCM36_905.pdf' class='refpdflink'>\u003C\u002Fa>",[129,139,149],{"id":130,"source_url":131,"license_code":132,"credit_html":133,"title":134,"description":135,"author":136,"original_width":137,"original_height":138},7581,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=30530951","Public domain","John Krygier, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=30530951\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Eastonite-246757.png","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEastonite\" class=\"extiw\" title=\"en:Eastonite\">Eastonite\u003C\u002Fa> (Size: 3.5\" x 2.5\" x 2\")\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton County, Pennsylvania, USA\u003C\u002Fdd>\n\u003Cdd>Flaky green eastonite\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","John Krygier",1019,759,{"id":140,"source_url":141,"license_code":142,"credit_html":143,"title":144,"description":145,"author":146,"original_width":147,"original_height":148},7582,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=50696365","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=50696365\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Eastonite, Tremolite-612246.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEastonite\" class=\"extiw\" title=\"en:Eastonite\">Eastonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTremolite\" class=\"extiw\" title=\"en:Tremolite\">Tremolite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 9.8 cm x 9.4 cm x 5.2 cm\u003C\u002Fdd>\n\u003Cdd>Locality: Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry complex (Williams and Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton County, Pennsylvania, USA\u003C\u002Fdd>\n\u003Cdd>Eastonite is a rare Mica Group species and this showy and rich combination piece is from the Type Locality. Massive, sparkly tan eastonite micro plates are nicely complemented by the veins of fibrous, white tremolite on both sides of the piece. Probably older material, but no proof as the quarry closed in the 1940s. \"Note that most, if not all, 'eastonite' from this locality is in fact a mixture of phlogopite and serpentine. There are no modern analysis confirming the presence of eastonite in Easton. See Livi and Veblen (1987) ‘Eastonite’ from Easton, Pennsylvania: A mixture of phlogopite and a new form of serpentine, American Mineralogist, 72, 113-125\". (MINDAT). Seldom available.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",465,459,{"id":150,"source_url":151,"license_code":142,"credit_html":152,"title":153,"description":145,"author":146,"original_width":147,"original_height":154},7583,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=50696366","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=50696366\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Eastonite, Tremolite-612247.jpg",427,[],[157],"Eastoniet",[159,163,167,171],{"lang":160,"names":161},"ca",[162],"eastonita",{"lang":164,"names":165},"de",[166],"Eastonit",{"lang":168,"names":169},"eu",[170],"Eastonita",{"lang":172,"names":173},"it",[7],"Q3717804",{"history":11,"applications":11}]