[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:27426":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":15,"elements":16,"sigelements":31,"key_elements":32,"impurities":11,"cim":11,"ima_status":33,"ima_notes":11,"ima_history":11,"approval_year":35,"publication_year":36,"discovery_year":11,"strunz10ed1":37,"strunz10ed2":38,"strunz10ed3":39,"strunz10ed4":40,"dana8ed1":41,"dana8ed2":42,"dana8ed3":43,"dana8ed4":43,"csystem":44,"cclass":45,"spacegroup":46,"spacegroupset":47,"a":48,"b":49,"c":50,"alpha":43,"beta":51,"gamma":43,"aerror":52,"berror":53,"cerror":54,"alphaerror":11,"betaerror":53,"gammaerror":11,"va3":11,"z":54,"csmetamict":13,"commentcrystal":11,"twinning":55,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":43,"vhnmax":43,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":43,"dmeas2":43,"dcalc":56,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":57,"commentluster":11,"diapheny":58,"streak":59,"colour":60,"commentcolor":11,"colors":61,"streak_colors":65,"luminescence":11,"uv":11,"cleavage":66,"cleavagetype":67,"fracturetype":11,"tenacity":68,"commentbreak":11,"opticaltype":69,"opticalsign":70,"opticalalpha":71,"opticalalpha2":43,"opticalalphaerror":53,"opticalbeta":72,"opticalbeta2":43,"opticalbetaerror":53,"opticalgamma":73,"opticalgamma2":43,"opticalgammaerror":53,"opticalomega":43,"opticalomega2":43,"opticalomegaerror":11,"opticalepsilon":43,"opticalepsilon2":43,"opticalepsilonerror":11,"opticaln":43,"opticaln2":43,"opticalnerror":11,"optical2vcalc":74,"optical2vcalc2":43,"optical2vcalcerror":11,"optical2vmeasured":75,"optical2vmeasured2":43,"optical2vmeasurederror":54,"rimin":76,"rimax":77,"opticaldispersion":78,"opticalpleochroism":79,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":80,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":81,"otheroccurrence":11,"type_specimen_store":82,"description_short":83,"aboutname":84,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":85,"reviewed_at":11,"variety_of":11,"varieties":86,"group_members":87,"associates":88,"confused_with":89,"type_localities":90,"occurrence_total":54,"citations":97,"images":110,"structures":121,"synonyms":128,"language_names":131,"wikidata_qid":150,"texts":151},27426,"1:1:27426:7","b58e3bcc-403d-4d26-93d3-9e0612c6a0a8","Piergorite-(Ce)","Pgo-Ce",0,"mineral",null,159,false,"Ca\u003Csub>8\u003C\u002Fsub>(Ce,Th,La,Nd)\u003Csub>2\u003C\u002Fsub>(Al\u003Csub>0.5\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)(◻,Li,Be)\u003Csub>2\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>B\u003Csub>8\u003C\u002Fsub>O\u003Csub>36\u003C\u002Fsub>(OH,F)\u003Csub>2\u003C\u002Fsub>","Ca\u003Csub>8\u003C\u002Fsub>Ce\u003Csub>2\u003C\u002Fsub>AlLiSi\u003Csub>6\u003C\u002Fsub>B\u003Csub>8\u003C\u002Fsub>O\u003Csub>36\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",[17,18,19,20,21,22,23,24,25,26,27,28,29,30],"Al","Be","Ca","Ce","Fe","La","Li","Nd","Si","Th","B","O","F","H",[17,19,20,21,25,27,28,30],[27,20],[34],"APPROVED",2005,2006,"9","D","L","10","54","2","0","Monoclinic",5,12,"P2\u002Fa","28.097","4.777","10.236","96.81",3,1,2,"polysynthetic twinning on {100}; frequently, they show L-shaped form by further twinning on the \u003Cmi>{30_1}\u003C\u002Fmi>","3.67","Vitreous","Translucent","White","Colorless to pale yellow",[62,63,64],"colorless","yellow","white",[64],"{010}","Perfect","brittle","Biaxial","-","1.717","1.728","1.735","77","68",1.717,1.735,"None","Non-pleochroic","X = b; Z ∧ c = 7(1)°.","extremely thin, platy micro crystals and aggregates perched within small seams in a volcanic ejecta.","Museo di Mineralogia, Dipartimento di Scienzedella Terra, Universita degli Studi di Pavia, Italy with catalog number 2005-001 OL.","Chemically similar to ferri-hellandite-(Ce).","After Giancarlo Pierini (b. 1929 Monsummano Terme, Tuscany, Italy) and Pietro Francesco Gorni (b. 1939, Varese, Lombardy, Italy), two well-known and keen Italian mineral collectors, members of AMI (Italian Micromineralogical Association). The name is a portmanteau after their surnames, PIERini and GORini.","2025-10-17 12:20:57",[],[],[],[],[91],{"id":92,"txt":93,"latitude":94,"longitude":95,"country":96},2080,"Tre Croci, Vetralla, Viterbo Province, Lazio, Italy",42.3317272,12.0846525,"Italy",[98,102,106],{"id":99,"year":36,"html":100,"doi":101},395585,"Boiocchi, M. (2006) The crystal structure of piergorite-(Ce), Ca8Ce2(Al0.5 Fe0.53+)Σ1([],Li,Be)2Si6B8O36(OH,F)2: A new borosilicate from Vetralla, Italy, with a modified hellandite-type chain. \u003Ci>American Mineralogist\u003C\u002Fi>,  91 (7). 1170-1177 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2006.2139'>doi:10.2138\u002Fam.2006.2139\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol91\u002FAM91_1170.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2006.2139",{"id":103,"year":104,"html":105,"doi":11},16134379,2007,"Ciriotti, M.E. & Bonacina, E. (2007): Alloriite e piergorite-(Ce): tre AMIci per due nuove specie italiane. Micro (sistematica), 2\u002F2007, 35-50.",{"id":107,"year":108,"html":109,"doi":11},16966718,2022,"(2022) Piergorite-(Ce). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FPiergorite-Ce.pdf' class='refpdflink'>\u003C\u002Fa>",[111],{"id":112,"source_url":113,"license_code":114,"credit_html":115,"title":116,"description":117,"author":118,"original_width":119,"original_height":120},19436,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=147205170","CC BY 4.0","Henk Smeets – tomeikminerals.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=147205170\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Piergorite-3520 0,8mm.webp","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPiergorite-(Ce)\" class=\"extiw\" title=\"en:Piergorite-(Ce)\">Piergorite-(Ce)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view: 0.8 mm high\u003C\u002Fdd>\n\u003Cdd>Locality: Vetralla (TL), Viterbo Province, Lazio, Italy\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Henk Smeets – tomeikminerals.com",1920,1280,[122],{"id":123,"url":124,"label":125,"formula":126,"spacegroup":127,"year":36},11256,"\u002Fcif\u002F11256.cif","Boiocchi 2006","Ca8.6 Ce1.1 Th.3 (Al.49 Fe.35 Ti.16) Be.54 Li.3 Si6 B8 O37.76 (F.24 H1.76)","P 1 2\u002Fa 1",[129,130],"IMA2005-008","Piergoriet-(Ce)",[132,137,142,146],{"lang":133,"names":134},"ca",[135,136],"Piergorita-","piergorita-(Ce)",{"lang":138,"names":139},"de",[140,141],"IMA 2005-008","Piergorit-(Ce)",{"lang":143,"names":144},"eu",[135,145],"Piergorita-(Ce)",{"lang":147,"names":148},"it",[149],"piergorite-(Ce)","Q19861185",{"history":11,"applications":11}]