[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:38788":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":20,"key_elements":21,"impurities":11,"cim":11,"ima_status":22,"ima_notes":11,"ima_history":11,"approval_year":24,"publication_year":25,"discovery_year":26,"strunz10ed1":27,"strunz10ed2":28,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":31,"dana8ed2":32,"dana8ed3":33,"dana8ed4":11,"csystem":34,"cclass":35,"spacegroup":36,"spacegroupset":37,"a":38,"b":39,"c":40,"alpha":11,"beta":41,"gamma":11,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":43,"tlform":44,"hmin":45,"hmax":45,"hardtype":11,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":46,"dmeas":11,"dmeas2":11,"dcalc":11,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":47,"commentluster":11,"diapheny":48,"streak":49,"colour":50,"commentcolor":11,"colors":51,"streak_colors":55,"luminescence":11,"uv":11,"cleavage":56,"cleavagetype":57,"fracturetype":58,"tenacity":11,"commentbreak":11,"opticaltype":59,"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":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":60,"otheroccurrence":11,"type_specimen_store":61,"description_short":62,"aboutname":63,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":64,"reviewed_at":11,"variety_of":11,"varieties":65,"group_members":66,"associates":111,"confused_with":112,"type_localities":119,"occurrence_total":126,"citations":127,"images":176,"structures":177,"synonyms":184,"language_names":187,"wikidata_qid":213,"texts":214},38788,"1:1:38788:0","ab0b219f-e1a5-4924-9bd0-8f58f222a2ca","Heftetjernite","Hef",0,"mineral",null,39780,21,false,"ScTaO\u003Csub>4\u003C\u002Fsub>",[17,18,19],"Sc","Ta","O",[17,18,19],[17,18],[23],"APPROVED",2006,2010,"1999","4","D","B","30","8","1","13","Monoclinic",5,12,"P2\u002Fc ","4.784","5.693","5.120","91.15",2,"Tabular {100} observed. {010} or {001} are possibly present.","In a single small vug in albite, on the surface or in between a metamict Ti-Y-Ta-Nb-mineral as elongate tabular to columnar, subparallel crystals (ca 0.4-0,1mm).",4.5,"Could not be determined, but estimated to be 4.5","Adamantine","Transparent,Translucent","Dark brownish (with a reddish hue)","Very dark brown (to greenish brown in part)",[52,53,54],"brown","red","green",[52,53],"{010}","Perfect","Irregular\u002FUneven","Biaxial","Cleavelandite-amazonite pegmatite.","Department of Geology, Natural History Museum, University of Oslo, Norway, # 41726.","Wolframite Group.\r\n\r\nThe Ta analogue of nioboheftetjernite. Also known as a synthetic compound since the 1960s. A tetragonal dimorph is also known (Elwell et al., 1985).\r\n\r\nSee http:\u002F\u002Fwww.mindat.org\u002Fmesg-55-113507.html for a warning on wrongly identifi...","Named by U. Kolitsch, R. Kristiansen, G. Raade, and E. Tillmanns in 2006 after the type locality of Heftetjern pegmatite, Norway.","2025-08-11 12:15:04",[],[67,76,81,89,95,103],{"id":68,"name":69,"entrytype":9,"csystem":34,"ima_formula":70,"mindat_formula":71,"hmin":72,"hmax":45,"dmeas":73,"dcalc":74,"primary_image_id":75},1476,"Ferberite","Fe\u003Csup>2+\u003C\u002Fsup>(WO\u003Csub>4\u003C\u002Fsub>)","FeWO\u003Csub>4\u003C\u002Fsub>",4,"7.58","7.6",8464,{"id":77,"name":78,"entrytype":9,"csystem":34,"ima_formula":79,"mindat_formula":80,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},39553,"Huanzalaite","Mg(WO\u003Csub>4\u003C\u002Fsub>)","MgWO\u003Csub>4\u003C\u002Fsub>",{"id":82,"name":83,"entrytype":9,"csystem":34,"ima_formula":84,"mindat_formula":85,"hmin":72,"hmax":45,"dmeas":86,"dcalc":87,"primary_image_id":88},1940,"Hübnerite","Mn\u003Csup>2+\u003C\u002Fsup>(WO\u003Csub>4\u003C\u002Fsub>)","MnWO\u003Csub>4\u003C\u002Fsub>","7.12","7.234",29892,{"id":90,"name":91,"entrytype":9,"csystem":34,"ima_formula":92,"mindat_formula":92,"hmin":93,"hmax":93,"dmeas":11,"dcalc":94,"primary_image_id":11},54639,"Nioboheftetjernite","ScNbO\u003Csub>4\u003C\u002Fsub>",5.5,"5.855",{"id":96,"name":97,"entrytype":9,"csystem":34,"ima_formula":98,"mindat_formula":99,"hmin":100,"hmax":100,"dmeas":101,"dcalc":102,"primary_image_id":11},46437,"Rossovskyite","Fe\u003Csup>3+\u003C\u002Fsup>NbO\u003Csub>4\u003C\u002Fsub>","(Fe\u003Csup>3+\u003C\u002Fsup>,Ta)(Nb,Ti)O\u003Csub>4\u003C\u002Fsub>",6,"6.06","6.302",{"id":104,"name":105,"entrytype":9,"csystem":34,"ima_formula":106,"mindat_formula":107,"hmin":72,"hmax":45,"dmeas":108,"dcalc":109,"primary_image_id":110},3523,"Sanmartinite","Zn(WO\u003Csub>4\u003C\u002Fsub>)","(Zn,Fe)WO\u003Csub>4\u003C\u002Fsub>","6.7","7.87",21533,[],[113],{"id":114,"name":115,"entrytype":9,"csystem":116,"ima_formula":11,"mindat_formula":117,"hmin":35,"hmax":100,"dmeas":11,"dcalc":118,"primary_image_id":11},498755,"Ixiolite-(Sc)","Orthorhombic","(Ta\u003Csub>0.5\u003C\u002Fsub>Sc\u003Csub>0.5\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>","6.425",[120],{"id":121,"txt":122,"latitude":123,"longitude":124,"country":125},2517,"Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway",59.18223,8.74668,"Norway",1,[128,132,137,141,146,151,156,160,163,167,172],{"id":129,"year":130,"html":131,"doi":11},16137566,1962,"Keller, C. (1962) Über ternäre Oxide des Niobs und Tantals vom Typ ABO4. Z. Anorg. Allg. Chemie: 318: 89-106.",{"id":133,"year":134,"html":135,"doi":136},618016,1963,"Rooksby, H. P., White, E. A. D. (1963) The structures of 1:1 compounds of rare earth oxides with niobia and tantala. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  16 (9) 888-890 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x63002395'>doi:10.1107\u002Fs0365110x63002395\u003C\u002Fa>","10.1107\u002Fs0365110x63002395",{"id":138,"year":139,"html":140,"doi":11},16137568,1970,"Vladimirova, Z.A., Trunov, V.K., Komissarova, L.N. (1970) Reaction of scandium oxide with niobium and tantalum pentoxides. Zhurnal Neorganicheskoi Khimii: 15: 2862-2864. (in Russian)",{"id":142,"year":143,"html":144,"doi":145},16137569,1984,"Zhong, W.L., Zhang, P.L., Chen, H.C. (1984) A new ferroelectric crystal – ScTaO4. \u003Ci>Solid State Communications\u003C\u002Fi>,  49 (5). 467-469 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0038-1098(84)90665-3'>doi:10.1016\u002F0038-1098(84)90665-3\u003C\u002Fa>","10.1016\u002F0038-1098(84)90665-3",{"id":147,"year":148,"html":149,"doi":150},2765945,1985,"Elwell, D., Kway, W.L., Feigelson, R.S. (1985) Crystal growth of a new tetragonal phase of ScTaO4. \u003Ci>Journal of Crystal Growth\u003C\u002Fi>, 71 (1). 237-239 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0022-0248(85)90069-7'>doi:10.1016\u002F0022-0248(85)90069-7\u003C\u002Fa>","10.1016\u002F0022-0248(85)90069-7",{"id":152,"year":153,"html":154,"doi":155},4094635,2004,"Yokogawa, Yoshiyuki, Yoshimura, Masahiro (2004) High-Temperature Phase Relations in the Sc2O3-Ta2O5 System. \u003Ci>Journal of the American Ceramic Society\u003C\u002Fi>, 82 (6). 1585-1588 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1111\u002Fj.1151-2916.1999.tb01962.x'>doi:10.1111\u002Fj.1151-2916.1999.tb01962.x\u003C\u002Fa>","10.1111\u002Fj.1151-2916.1999.tb01962.x",{"id":157,"year":158,"html":159,"doi":11},12992028,2009,"Kristiansen, Roy (2009) A unique assemblage of Scandium-bearing minerals from the Heftetjern-pegmatite, Tørdal, south Norway. \u003Ci>Norsk Bergverksmuseum Skrift\u003C\u002Fi>, 41. 75-104 \u003Ca target='_blank' href='http:\u002F\u002Fnags.net\u002FMineralsymposium\u002F2009\u002FKristiansen%20(2009).pdf' class='refpdflink'>\u003C\u002Fa>",{"id":161,"year":25,"html":162,"doi":11},696799,"Kristiansen, Roy (2010) Heftetjernitt og triklin titanitt fra Heftetjern i Tørdal. \u003Ci>STEIN. Magasin for populærgeologi\u003C\u002Fi>,  37 (4) 20-22 \u003Ca target='_blank' href='http:\u002F\u002Fwww.nags.net\u002FStein\u002F2010\u002F2010_4_Heftetjernitt%20og%20triklin%20titanitt.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":164,"year":25,"html":165,"doi":166},128930,"Kolitsch, Uwe, Kristiansen, Roy, Raade, Gunnar, Tillmanns, Ekkehart (2010) Heftetjernite, a new scandium mineral from the Heftetjern pegmatite, Tordal, Norway. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  22 (2) 309-316 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2010\u002F0022-1987'>doi:10.1127\u002F0935-1221\u002F2010\u002F0022-1987\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FEJM22_309.pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2010\u002F0022-1987",{"id":168,"year":169,"html":170,"doi":171},396764,2011,"Poirier, G., Tait, K. T., Rowe, R. (2011) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  96 (5) 936-945 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2011.576'>doi:10.2138\u002Fam.2011.576\u003C\u002Fa>","10.2138\u002Fam.2011.576",{"id":173,"year":174,"html":175,"doi":11},16964777,2015,"(2015) Heftetjernite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fheftetjernite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[178],{"id":179,"url":180,"label":181,"formula":182,"spacegroup":183,"year":25},6002,"\u002Fcif\u002F6002.cif","Kolitsch 2010","(Sc.5 Sn.2 Mn.18 Fe.07 Ti.05) (Ta.58 Nb.42) O4","P 1 2\u002Fc 1",[185,186],"Heftetjerniet","IMA2006-056",[188,192,197,201,205,209],{"lang":189,"names":190},"ca",[191],"heftetjernita",{"lang":193,"names":194},"de",[195,196],"Heftetjernit","IMA 2006-056",{"lang":198,"names":199},"eu",[200],"Heftetjernita",{"lang":202,"names":203},"it",[204],"heftetjernite",{"lang":206,"names":207},"nb",[208],"Heftetjernitt",{"lang":210,"names":211},"nn",[212],"heftetjernitt","Q17448737",{"history":11,"applications":11}]