[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3149":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":22,"key_elements":23,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":27,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":33,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":38,"beta":38,"gamma":38,"aerror":42,"berror":43,"cerror":44,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":11,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":45,"hmin":42,"hmax":42,"hardtype":11,"vhnmin":38,"vhnmax":38,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":46,"dmeas2":46,"dcalc":38,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":47,"commentluster":11,"diapheny":48,"streak":49,"colour":49,"commentcolor":11,"colors":50,"streak_colors":52,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":53,"opticalsign":54,"opticalalpha":55,"opticalalpha2":38,"opticalalphaerror":11,"opticalbeta":56,"opticalbeta2":38,"opticalbetaerror":11,"opticalgamma":57,"opticalgamma2":38,"opticalgammaerror":11,"opticalomega":38,"opticalomega2":38,"opticalomegaerror":11,"opticalepsilon":38,"opticalepsilon2":38,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":58,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":58,"optical2vmeasured2":38,"optical2vmeasurederror":11,"rimin":59,"rimax":60,"opticaldispersion":61,"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":62,"other":63,"industrial":11,"occurrence":64,"otheroccurrence":11,"type_specimen_store":65,"description_short":11,"aboutname":66,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":67,"reviewed_at":11,"variety_of":11,"varieties":68,"group_members":69,"associates":70,"confused_with":71,"type_localities":72,"occurrence_total":79,"citations":80,"images":116,"structures":127,"synonyms":145,"language_names":148,"wikidata_qid":165,"texts":166},3149,"1:1:3149:9","fbe6f6cf-01b2-43a4-bc40-798f443cf969","Penkvilksite","Pvl",0,"mineral",null,159,false,"Na\u003Csub>4\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>2\u003C\u002Fsub>TiSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>11\u003C\u002Fsub> · 2H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21],"Na","Si","Ti","O","H",[17,18,19,20,21],[19],"14.10.28",[26],"APPROVED",1974,"9","E","A","60","70","2","1","Orthorhombic",8,63,"0","16.3721","8.7492","7.4020",5,3,2,"White clotted masses to 3 cm.","2.58","Silky,Pearly,Dull","Opaque","White",[51],"white",[51],"Biaxial","+","1.64","1.646","1.675","50",1.64,1.675,"relatively weak","DTA Endrothermic breaks at 220 C (dehydration) and 720 C (fusion).\r\nTGA Gradual water loss 100-400 C.","Slowly gels with cold 5% HCl or HNO3, or with warm H2SO4.\r\nFuses with a Bunsen burner to a dark brown glass.","Alkaic massif, pegmatite, central natrolite zone.","Geology Museum, Kola Branch, Academy of Sciences, Apatity, Russia, 3244, 3781.\r\nMining Institute, St. Petersburg, Russia, 1065\u002F1.\r\nA.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 75126.\r\nNational School of Mines, Paris, France.\r\nThe Natural History Museum, London, England, 1994,24.","Named from the Lapp words \"penk\" and \"vilkis\", meaning \"white\" and \"curly\", because of its appearance.","2026-03-29 15:34:20",[],[],[],[],[73],{"id":74,"txt":75,"latitude":76,"longitude":77,"country":78},2702,"Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia",67.8833333,34.6333333,"Russia",4,[81,84,88,92,97,101,106,111],{"id":82,"year":27,"html":83,"doi":11},15959298,"Bussen, I.V., Men'shikov, Yu.P., Merkov, A.M., Nedorezova, A.P., Uspenskaya, E.I., Khomyakov, A.P. (1974) Penkvilksite, a new hydrous silicate of titanium and sodium.Doklady Akademii Nauk SSSR: 217: 1161-1164 (in Russian). English translation: Doklady Akademii Nauk SSSR. Earth Sciences Section: 217: 126-129.",{"id":85,"year":86,"html":87,"doi":11},526451,1975,"Fleischer, Michael (1975) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  60 (3-4) 340-341 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM60\u002FAM60_340.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":89,"year":90,"html":91,"doi":11},529740,1994,"Merlino, Stefano, Pasero, Marco, Artioli, Gilberto, Khomyakov, Alexander P. (1994) Penkvilksite, a new kind of silicate structure: OD character, X-ray single-crystal (1M), and powder Rietveld (2O) refinements of two MDO polytypes. \u003Ci>American Mineralogist\u003C\u002Fi>,  79 (11-12) 1185-1193 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM79\u002FAM79_1185.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":93,"year":94,"html":95,"doi":96},394117,2000,"Subbotin, Victor V., Merlino, Stefano, Pushcharovsky, Dmitry Yu., Pakhomovsky, Yakov A., Ferro, Orazio, Bogdanova, Alla N., Voloshin, Anatoly V., Sorokhtina, Natalia V., Zubkova, Natalia V. (2000) Tumchaite Na2(Zr,Sn)Si4O11·2H2O—A new mineral from carbonatites of the Vuoriyarvi alkali-ultrabasic massif, Murmansk Region, Russia. \u003Ci>American Mineralogist\u003C\u002Fi>,  85 (10) 1516-1520 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2000-1024'>doi:10.2138\u002Fam-2000-1024\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol85\u002FAM85_1516.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-2000-1024",{"id":98,"year":99,"html":100,"doi":11},16966621,2001,"(2001) Penkvilksite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fpenkvilksite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":102,"year":103,"html":104,"doi":105},63987,2004,"Sherriff, B. L.; Zhou, B. (2004) 29Si and 23Na MAS NMR spectroscopic study of the polytypes of the titanosilicate penkvilksite. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  42 (4). 1027-1035 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.42.4.1027'>doi:10.2113\u002Fgscanmin.42.4.1027\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol42\u002FCM42_1027.pdf' class='refpdflink'>\u003C\u002Fa>","10.2113\u002Fgscanmin.42.4.1027",{"id":107,"year":108,"html":109,"doi":110},192743,2008,"Cadoni, Marcella; Ferraris, Giovanni (2008) Penkvilksite-2\u003Ci>O\u003C\u002Fi>: Na\u003Csub>2\u003C\u002Fsub>TiSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>11\u003C\u002Fsub>·2H\u003Csub>2\u003C\u002Fsub>O. \u003Ci>Acta Crystallographica Section C Crystal Structure Communications\u003C\u002Fi>,  64 (11). i87-i90 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108270108031806'>doi:10.1107\u002Fs0108270108031806\u003C\u002Fa>","10.1107\u002Fs0108270108031806",{"id":112,"year":113,"html":114,"doi":115},16119679,2013,"Frost, Ray L.; Xi, Yunfei (2013) Vibrational spectroscopic study of the mineral penkvilksite Na\u003Csub>2\u003C\u002Fsub>TiSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>11\u003C\u002Fsub>·2H\u003Csub>2\u003C\u002Fsub>O – a mineral used for the uptake of radionuclides. \u003Ci>Radiation Effects and Defects in Solids\u003C\u002Fi>,  168 (1). 72-79 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F10420150.2012.741130'>doi:10.1080\u002F10420150.2012.741130\u003C\u002Fa>","10.1080\u002F10420150.2012.741130",[117],{"id":118,"source_url":119,"license_code":120,"credit_html":121,"title":122,"description":123,"author":124,"original_width":125,"original_height":126},18996,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=76758534","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=76758534\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Penkvilksite.jpg","Pinkish white crystal group of the rare titanium mineral penkvilksite from the type locality: Yubileinaya Pegmatite, Lovozero Massif, Kola, Russian Federation.","David Hospital",789,667,[128,134,139],{"id":129,"url":130,"label":131,"formula":132,"spacegroup":133,"year":108},10545,"\u002Fcif\u002F10545.cif","Cadoni 2008","Ti Si4 Na2 O13 H2","P n c a",{"id":135,"url":136,"label":137,"formula":138,"spacegroup":133,"year":90},10546,"\u002Fcif\u002F10546.cif","Merlino 1994 · (Ti.9 Zr.1) Si4 Na2 O13 H4","(Ti.9 Zr.1) Si4 Na2 O13 H4",{"id":140,"url":141,"label":142,"formula":143,"spacegroup":144,"year":90},10547,"\u002Fcif\u002F10547.cif","Merlino 1994 · Ti Si4 Na2 O13 H4","Ti Si4 Na2 O13 H4","P 1 21\u002Fc 1",[146,147],"Penkvilksiet","Unnamed (MSH UK-41)",[149,153,158,162],{"lang":150,"names":151},"ca",[152],"penkvilksita",{"lang":154,"names":155},"de",[156,157],"IMA 1973-016","Penkvilksit",{"lang":159,"names":160},"eu",[161],"Penkvilksita",{"lang":163,"names":164},"it",[7],"Q3899087",{"history":11,"applications":11}]