[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:47930":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":15,"elements":16,"sigelements":22,"key_elements":23,"impurities":11,"cim":11,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":26,"publication_year":27,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":20,"strunz10ed4":31,"dana8ed1":11,"dana8ed2":11,"dana8ed3":11,"dana8ed4":11,"csystem":32,"cclass":33,"spacegroup":34,"spacegroupset":35,"a":36,"b":37,"c":38,"alpha":11,"beta":39,"gamma":11,"aerror":40,"berror":40,"cerror":41,"alphaerror":11,"betaerror":42,"gammaerror":11,"va3":43,"z":40,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":44,"hmin":45,"hmax":45,"hardtype":11,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":11,"dmeas2":11,"dcalc":46,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":47,"commentluster":11,"diapheny":11,"streak":48,"colour":49,"commentcolor":11,"colors":50,"streak_colors":54,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":55,"commentbreak":11,"opticaltype":56,"opticalsign":11,"opticalalpha":11,"opticalalpha2":11,"opticalalphaerror":11,"opticalbeta":11,"opticalbeta2":11,"opticalbetaerror":11,"opticalgamma":11,"opticalgamma2":11,"opticalgammaerror":11,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":11,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":11,"optical2vmeasured2":11,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":57,"opticalpleochorismdesc":58,"opticalbirefringence":11,"opticalcomments":59,"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":60,"otheroccurrence":11,"type_specimen_store":61,"description_short":11,"aboutname":62,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":63,"reviewed_at":11,"variety_of":11,"varieties":64,"group_members":65,"associates":96,"confused_with":97,"type_localities":98,"occurrence_total":40,"citations":105,"images":125,"structures":136,"synonyms":137,"language_names":141,"wikidata_qid":155,"texts":156},47930,"1:1:47930:3","669dd748-541a-40af-a72b-76931681ebcb","Folvikite","Fvk",0,"mineral",null,41588,64,false,"Sb\u003Csup>5+\u003C\u002Fsup>Mn\u003Csup>3+\u003C\u002Fsup>(Mg,Mn\u003Csup>2+\u003C\u002Fsup>)\u003Csub>10\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>",[17,18,19,20,21],"Mg","Mn","Sb","B","O",[17,18,19,20,21],[20,19],[25],"APPROVED",2016,2018,"1987","6","A","35","Monoclinic",4,8,"P2 ","5.377","6.211","10.939","94.399",1,2,9,364.22,"As striated prismatic crystals up to 0.3 mm in calcite",6,"4.14","Sub-Metallic","Reddish-brown","Black to dark reddish-brown",[51,52,53],"black","brown","red",[53,52],"brittle","Biaxial","Strong","Observed in plane-polarized light: AB = brown (intermediate), OB = dark brown (maximum), ON = honey brown (minimum). ","Indeterminate optic sign due to pervasive twinning","Skarn","The Natural History Museum, University of Oslo, Norway, catalogue number 43574, and the Canadian Museum of Nature, Ottawa, Canada, catalogue number CMNMC 87087","Named after the Norwegian collector, Harald Oskar Folvik (1941-), who found the mineral. \r\nFirst described as an \"unnamed Mg-Mn-Sb-oxyborate\" (Raade & Folvik 2013).","2025-08-11 12:15:15",[],[66,73,81,88],{"id":67,"name":68,"entrytype":9,"csystem":32,"ima_formula":69,"mindat_formula":70,"hmin":45,"hmax":45,"dmeas":71,"dcalc":72,"primary_image_id":11},26444,"Aluminomagnesiohulsite","Mg\u003Csub>2\u003C\u002Fsub>AlO\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","(Mg,Fe\u003Csup>2+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>(Al,Mg,Sn)(BO\u003Csub>3\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>","0","3.84",{"id":74,"name":75,"entrytype":9,"csystem":32,"ima_formula":76,"mindat_formula":76,"hmin":77,"hmax":77,"dmeas":78,"dcalc":79,"primary_image_id":80},1943,"Hulsite","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)",3,"4.28","4.62",11708,{"id":82,"name":83,"entrytype":9,"csystem":32,"ima_formula":84,"mindat_formula":84,"hmin":45,"hmax":45,"dmeas":85,"dcalc":86,"primary_image_id":87},2498,"Magnesiohulsite","Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","4.18","4.15",15082,{"id":89,"name":90,"entrytype":9,"csystem":32,"ima_formula":91,"mindat_formula":92,"hmin":45,"hmax":45,"dmeas":93,"dcalc":94,"primary_image_id":95},3214,"Pinakiolite","(Mg,Mn)\u003Csub>2\u003C\u002Fsub>(Mn\u003Csup>3+\u003C\u002Fsup>,Sb\u003Csup>5+\u003C\u002Fsup>)O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","(Mg,Mn\u003Csup>2+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>(BO\u003Csub>3\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>","3.88","3.94",19475,[],[],[99],{"id":100,"txt":101,"latitude":102,"longitude":103,"country":104},10245,"Kitteln Mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden",59.8321049,14.1242287,"Sweden",[106,110,114,117,121],{"id":107,"year":108,"html":109,"doi":11},12992174,2013,"Raade, Gunnar, Folvik, Harald (2013) On an unnamed Mg-Mn-Sb oxyborate from the blatterite locality of the Kitteln Mine, Nordmark, Filipstad, Värmland, Sweden. \u003Ci>Norsk Bergverksmuseum Skrift\u003C\u002Fi>,  50. 49-54 \u003Ca target='_blank' href='http:\u002F\u002Fwww.nags.net\u002FMineralsymposium\u002F2013\u002F2013-Raade_&_Folvik.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":111,"year":26,"html":112,"doi":113},244816,"Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2016) New minerals and nomenclature modifications approved in 2016, CNMNC Newsletter 32. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  80 (5) 915-922 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2016.080.084'>doi:10.1180\u002Fminmag.2016.080.084\u003C\u002Fa>","10.1180\u002Fminmag.2016.080.084",{"id":115,"year":27,"html":116,"doi":11},697234,"Folvik, Harald O. (2018) Folvikitt-et nytt mineral fra Kittelgruvan i Nordmark, Filipstad [Folvikite - a new mineral from Kittelgruvan in Nordmark, Filipstad]. \u003Ci>STEIN. Magasin for populærgeologi\u003C\u002Fi>,  45 (3). 32-34 \u003Ca target='_blank' href='http:\u002F\u002Fwww.nags.net\u002FStein\u002F2018\u002F2018-3_Folvik.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":118,"year":27,"html":119,"doi":120},245051,"Cooper, Mark A., Raade, Gunnar, Ball, Neil A., Abdu, Yassir A., Hawthorne, Frank C., Rowe, Ralph (2018) Folvikite, Sb\u003Csup>5+\u003C\u002Fsup>Mn\u003Csup>3+\u003C\u002Fsup>(Mg,Mn\u003Csup>2+\u003C\u002Fsup>)\u003Csub>10\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>, a new oxyborate mineral from the Kitteln mine, Nordmark ore district, Värmland, Sweden: description and crystal structure. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  82 (4) 821-836 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2017.081.059'>doi:10.1180\u002Fminmag.2017.081.059\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FMM82_821.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.2017.081.059",{"id":122,"year":123,"html":124,"doi":11},16964418,2021,"(2021) Folvikite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002FFolvikite.pdf' class='refpdflink'>\u003C\u002Fa>",[126],{"id":127,"source_url":128,"license_code":129,"credit_html":130,"title":131,"description":132,"author":133,"original_width":134,"original_height":135},9263,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130468959","CC BY 4.0","Henk Smeets – tomeikminerals.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=130468959\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Folvikite Andre-3.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFolvikite\" class=\"extiw\" title=\"en:Folvikite\">Folvikite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Kitteln Mine (TL), Filipstad, Värmland, Sweden\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Henk Smeets – tomeikminerals.com",1920,1279,[],[138,139,140],"Folvikiet","IMA2016-026","Unnamed (Mg-Mn-Sb Oxyborate)",[142,146,151],{"lang":143,"names":144},"ca",[145],"folvikita",{"lang":147,"names":148},"de",[149,150],"Folvikit","IMA 2016-026",{"lang":152,"names":153},"eu",[154],"Folvikita","Q26985001",{"history":11,"applications":11}]