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Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 79071, vis5430, 5431.","Pyrophyllite-Talc Group.\r\nThe ferric iron analogue of pyrophyllite.\r\nCompare also minnesotaite.","for the ferric iron analogue of pyrophyllite","2025-08-11 12:14:20",[],[74,80,88,95],{"id":75,"name":76,"entrytype":9,"csystem":77,"ima_formula":78,"mindat_formula":78,"hmin":44,"hmax":45,"dmeas":47,"dcalc":46,"primary_image_id":79},2722,"Minnesotaite","Triclinic","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",16332,{"id":81,"name":82,"entrytype":9,"csystem":77,"ima_formula":83,"mindat_formula":83,"hmin":84,"hmax":45,"dmeas":85,"dcalc":86,"primary_image_id":87},3323,"Pyrophyllite","Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",1,"2.65","2.81",20312,{"id":89,"name":90,"entrytype":9,"csystem":77,"ima_formula":91,"mindat_formula":91,"hmin":84,"hmax":84,"dmeas":92,"dcalc":93,"primary_image_id":94},3875,"Talc","Mg\u003Csub>3\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","2.58","2.78",13217,{"id":96,"name":97,"entrytype":9,"csystem":35,"ima_formula":98,"mindat_formula":98,"hmin":45,"hmax":45,"dmeas":99,"dcalc":100,"primary_image_id":101},4293,"Willemseite","Ni\u003Csub>3\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","3.31","3.348",8262,[],[],[105],{"id":106,"txt":107,"latitude":11,"longitude":11,"country":108},31974,"Straßen shaft, Eibenstock, Erzgebirgskreis, Saxony, Germany","Germany",10,[111,114,117,120,124,127,131,135],{"id":112,"year":11,"html":113,"doi":11},16109191,"Mineralogical Abstracts: 31: 355-356.",{"id":115,"year":26,"html":116,"doi":11},16109192,"Chukhrov F V, Zvyagin B B, Drits V A, Gorshkov A I, Ermilova L P, Goilo E A, Rudnitskaya E S (1978) The ferric analogue of pyrophyllite and related phases. Proceedings of the International Clay Conference, Oxford 1978, 55-64. [http:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FICC1978_55.pdf]",{"id":118,"year":26,"html":119,"doi":11},16109197,"Chukhrov F V, Zvyagin B B, Drits V A, Gorshkov A I, Ermilova L P, Goilo E A, Rudnitskaya E S (1978) The ferric analogue of pyrophyllite and related phases. Proceedings of the International Clay Conference, Oxford 1978, 55-64",{"id":121,"year":122,"html":123,"doi":11},15959042,1979,"Goilo, E.A. and Rudnizkaja, E.S. (1979) Über Ferripyrophyllit. Chemie der Erde: 38: 324-330.",{"id":125,"year":122,"html":126,"doi":11},16109193,"Izvestiya Akademii nauk SSSR (1979): (2): 5-20.",{"id":128,"year":129,"html":130,"doi":11},16109194,1980,"Tschuchrow F W, Swjagin B B, Driz W A, Gorschkow A I, Jermilowa L P, Goilo E A, Rudnizkaja E S (1980) O ferripirofillite i rodstvennych emu fazach. Izvestiya Akademii Nauk SSSR, Seriya Geologicheskaya 1980, issue 2, 5-16",{"id":132,"year":133,"html":134,"doi":11},16109196,1984,"Coey J M D, Chukhrov F V, Zvyagin B B (1984) Cation distribution, Mössbauer spectra, and magnetic properties of ferripyrophyllite. Clays and Clay Minerals 32, 198-204",{"id":136,"year":137,"html":138,"doi":11},16964262,2001,"(2001) Ferripyrophyllite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fferripyrophyllite.pdf' class='refpdflink'>\u003C\u002Fa>",[140],{"id":141,"source_url":142,"license_code":143,"credit_html":144,"title":145,"description":146,"author":147,"original_width":148,"original_height":149},8635,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66411773","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66411773\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ferripyrophyllite.jpg","Fine grained brown ferripyrophyllite from a little known locality: Tulagai, Akchatau, Karaganda Oblast, Kazakhstan.","David Hospital",938,667,[],[152,153,154],"Ferripyrophylliet","Ferripyrophyllita","IMA1978-062",[156,160,165,169],{"lang":157,"names":158},"ca",[159],"ferripirofil·lita",{"lang":161,"names":162},"de",[163,164],"Ferripyrophyllit","IMA 1978-062",{"lang":166,"names":167},"eu",[168],"Ferripirofilita",{"lang":170,"names":171},"it",[172,7],"Ferripirofillite","Q3743193",{"history":11,"applications":11}]