[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1251":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":16,"elements":17,"sigelements":28,"key_elements":29,"impurities":30,"cim":31,"ima_status":32,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":34,"discovery_year":35,"strunz10ed1":36,"strunz10ed2":37,"strunz10ed3":38,"strunz10ed4":39,"dana8ed1":40,"dana8ed2":41,"dana8ed3":42,"dana8ed4":43,"csystem":44,"cclass":11,"spacegroup":11,"spacegroupset":45,"a":46,"b":47,"c":48,"alpha":45,"beta":45,"gamma":45,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":49,"csmetamict":14,"commentcrystal":50,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":51,"tlform":11,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":45,"vhnmax":45,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":52,"dmeas2":52,"dcalc":53,"dmeaserror":54,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":11,"commentluster":11,"diapheny":55,"streak":11,"colour":56,"commentcolor":11,"colors":57,"streak_colors":11,"luminescence":11,"uv":61,"cleavage":62,"cleavagetype":63,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":64,"opticalsign":65,"opticalalpha":66,"opticalalpha2":67,"opticalalphaerror":11,"opticalbeta":67,"opticalbeta2":45,"opticalbetaerror":68,"opticalgamma":69,"opticalgamma2":70,"opticalgammaerror":11,"opticalomega":45,"opticalomega2":45,"opticalomegaerror":11,"opticalepsilon":45,"opticalepsilon2":45,"opticalepsilonerror":11,"opticaln":45,"opticaln2":45,"opticalnerror":11,"optical2vcalc":71,"optical2vcalc2":45,"optical2vcalcerror":11,"optical2vmeasured":71,"optical2vmeasured2":45,"optical2vmeasurederror":54,"rimin":72,"rimax":73,"opticaldispersion":74,"opticalpleochroism":75,"opticalpleochorismdesc":76,"opticalbirefringence":77,"opticalcomments":78,"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":11,"otheroccurrence":11,"type_specimen_store":79,"description_short":80,"aboutname":81,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":82,"reviewed_at":11,"variety_of":11,"varieties":83,"group_members":84,"associates":130,"confused_with":131,"type_localities":132,"occurrence_total":139,"citations":140,"images":165,"structures":187,"synonyms":194,"language_names":197,"wikidata_qid":218,"texts":219},1251,"1:1:1251:1","e3f09ba8-3a5f-43b7-b239-164a59e0041e","Delhayelite","Dhy",0,"mineral",null,54045,310,false,"(Na,K)\u003Csub>10\u003C\u002Fsub>Ca\u003Csub>5\u003C\u002Fsub>Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>32\u003C\u002Fsub>O\u003Csub>80\u003C\u002Fsub>(Cl\u003Csub>2\u003C\u002Fsub>,F\u003Csub>2\u003C\u002Fsub>,SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>&middot;18H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>7\u003C\u002Fsub>Na\u003Csub>3\u003C\u002Fsub>Ca\u003Csub>5\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>14\u003C\u002Fsub>O\u003Csub>38\u003C\u002Fsub>F\u003Csub>4\u003C\u002Fsub>Cl\u003Csub>2\u003C\u002Fsub>",[18,19,20,21,22,23,24,25,26,27],"Al","Ca","Cl","Na","Si","O","K","F","S","H",[18,19,20,21,22,23,27],[20],",Ti,Fe,Mn,Mg,,","17.10.9",[33],"APPROVED",1959,"1959","9","E","B","10","72","5","1","4","Orthorhombic","0","13.06","24.65","7.04",1,"Point Group: 2\u002Fm 2\u002Fm 2\u002Fm or mm2; Space Group: Pmmn or Pmn21","platy","2.60","2.50",3,"Translucent","Colourless; Silver-grey, Greenish-grey",[58,59,60],"colorless","gray","green","Orange (from Khibiny, Russia)","Parallel to (010)","Distinct\u002FGood","Biaxial","-","1.530","1.532",2,"1.5326","1.533","83",1.53,1.533,"weak","Non-pleochroic","nominally colorless, but sections cut perpendicular to [010] may show an anomalous bluish-gray color.","observed birefringence is 0.002-0.003; reported α, β, and γ all given as ≈1.532; the calculated birefringence from having these values all assigned as 1.532 yields δ=0.000, which is not quite correct. Hence, α and γ were slightly adjusted (3rd and 4th decimal place, still within measured errors) to give the correct birefringence and measured 2V°.","X=a, Y=c, Z=b","Royal Museum for Central Africa, Tervuren, Belgium, RGM8037.","Easily hydrothermally altered to hydrodelhayelite. Chemically somewhat similar  to steudelite and sacrofanite.","Named in 1959 by Th. G. Sahama and K. Hytönen after Fernand Delhaye (Clermont-Ferrand February 4 1880 - Saint-Gillis (Brussels) December 15 1946), of Belgian nationality. He worked in Central Africa.","2026-03-29 16:53:20",[],[85,94,102,108,117,122],{"id":86,"name":87,"entrytype":9,"csystem":44,"ima_formula":88,"mindat_formula":89,"hmin":90,"hmax":90,"dmeas":91,"dcalc":92,"primary_image_id":93},39711,"Fivegite","K\u003Csub>4\u003C\u002Fsub>Ca\u003Csub>2\u003C\u002Fsub>[AlSi\u003Csub>7\u003C\u002Fsub>O\u003Csub>17\u003C\u002Fsub>(O\u003Csub>2-x\u003C\u002Fsub>(OH)\u003Csub>x\u003C\u002Fsub>)][(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>2-x\u003C\u002Fsub>(OH)\u003Csub>x\u003C\u002Fsub>]Cl (x = 0-2)","K\u003Csub>4\u003C\u002Fsub>Ca\u003Csub>2\u003C\u002Fsub>[AlSi\u003Csub>7\u003C\u002Fsub>O\u003Csub>17\u003C\u002Fsub>(O\u003Csub>2-x\u003C\u002Fsub>OH\u003Csub>x\u003C\u002Fsub>)][(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>2-x\u003C\u002Fsub>OH\u003Csub>x\u003C\u002Fsub>]Cl",4,"2.42","2.449",8944,{"id":95,"name":96,"entrytype":9,"csystem":44,"ima_formula":97,"mindat_formula":98,"hmin":90,"hmax":90,"dmeas":99,"dcalc":100,"primary_image_id":101},1971,"Hydrodelhayelite","KCa\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>7\u003C\u002Fsub>Al)O\u003Csub>17\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> &middot; 6H\u003Csub>2\u003C\u002Fsub>O","KCa\u003Csub>2\u003C\u002Fsub>AlSi\u003Csub>7\u003C\u002Fsub>O\u003Csub>17\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>&middot;6H\u003Csub>2\u003C\u002Fsub>O","2.168","2.22",29905,{"id":103,"name":104,"entrytype":9,"csystem":44,"ima_formula":105,"mindat_formula":106,"hmin":54,"hmax":90,"dmeas":11,"dcalc":107,"primary_image_id":11},54022,"Melansonite","Na&#9723;KZrSi\u003Csub>8\u003C\u002Fsub>O\u003Csub>19\u003C\u002Fsub> &middot; 5H\u003Csub>2\u003C\u002Fsub>O","Na&#9723;KZrSi\u003Csub>8\u003C\u002Fsub>O\u003Csub>19\u003C\u002Fsub>&middot;5H\u003Csub>2\u003C\u002Fsub>O","2.352",{"id":109,"name":110,"entrytype":9,"csystem":111,"ima_formula":112,"mindat_formula":113,"hmin":114,"hmax":114,"dmeas":91,"dcalc":115,"primary_image_id":116},2765,"Monteregianite-(Y)","Monoclinic","KNa\u003Csub>2\u003C\u002Fsub>YSi\u003Csub>8\u003C\u002Fsub>O\u003Csub>19\u003C\u002Fsub> &middot; 5H\u003Csub>2\u003C\u002Fsub>O","(Na,K)\u003Csub>6\u003C\u002Fsub>(Y,Ca)\u003Csub>2\u003C\u002Fsub>Si\u003Csub>16\u003C\u002Fsub>O\u003Csub>38\u003C\u002Fsub>&middot;10H\u003Csub>2\u003C\u002Fsub>O",3.5,"2.391",16656,{"id":118,"name":119,"entrytype":9,"csystem":111,"ima_formula":11,"mindat_formula":120,"hmin":114,"hmax":11,"dmeas":11,"dcalc":121,"primary_image_id":11},470928,"Natromelansonite","Na\u003Csub>3\u003C\u002Fsub>Zr[Si\u003Csub>7\u003C\u002Fsub>AlO\u003Csub>19\u003C\u002Fsub>]&middot;4H\u003Csub>2\u003C\u002Fsub>O","2.31",{"id":123,"name":124,"entrytype":9,"csystem":44,"ima_formula":125,"mindat_formula":126,"hmin":54,"hmax":90,"dmeas":127,"dcalc":128,"primary_image_id":129},3403,"Rhodesite","KHCa\u003Csub>2\u003C\u002Fsub>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>19\u003C\u002Fsub> &middot; 5H\u003Csub>2\u003C\u002Fsub>O","KHCa\u003Csub>2\u003C\u002Fsub>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>19\u003C\u002Fsub>&middot;5H\u003Csub>2\u003C\u002Fsub>O","2.27","2.26",20814,[],[],[133],{"id":134,"txt":135,"latitude":136,"longitude":137,"country":138},4315,"Mount Shaheru, Nyiragongo Volcano, Nyiragongo Territory, North Kivu, DR Congo",-1.4833333,29.2333333,"DR Congo",12,[141,144,148,152,156,160],{"id":142,"year":34,"html":143,"doi":11},523312,"Fleischer, M. (1959) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  44 (11-12). 1321-1329 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM44\u002FAM44_1321.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":145,"year":34,"html":146,"doi":147},5491,"Sahama, TH. G., Hytönen, Kai (1959) Delhayelite, a new silicate from the Belgian Congo. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  32 (244) 6-9 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1959.032.244.02'>doi:10.1180\u002Fminmag.1959.032.244.02\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_32\u002F32-244-6.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1959.032.244.02",{"id":149,"year":150,"html":151,"doi":11},16107336,1961,"Dorfman, M.D., Belova, E.N., Neronova, N.N. (1961) Delhayelite from the Khibiny. Trudy Mineralogicheskogo Muzeya Akademiya Nauk SSSR: 12: 191-195.",{"id":153,"year":154,"html":155,"doi":11},16107337,1970,"Cannillo, E., Rossi, G., Ungaretti, L. (1970) The crystal structure of delhayelite. Rendiconti della Società Italiana di Mineralogia e Petrologia: 26: 63-75.",{"id":157,"year":158,"html":159,"doi":11},16963937,2001,"(2001) Delhayelite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fdelhayelite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":161,"year":162,"html":163,"doi":164},496996,2009,"Pekov, I. V., Zubkova, N. V., Chukanov, N. V., Sharygin, V. V., Pushcharovsky, D. Yu. (2009) Crystal chemistry of delhayelite and hydrodelhayelite. \u003Ci>Doklady Earth Sciences\u003C\u002Fi>,  428 (1) 1216-1221 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1134\u002Fs1028334x09070393'>doi:10.1134\u002Fs1028334x09070393\u003C\u002Fa>","10.1134\u002Fs1028334x09070393",[166,173,182],{"id":167,"source_url":168,"license_code":169,"credit_html":170,"title":7,"description":11,"author":11,"original_width":171,"original_height":172},29586,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F129333","CC BY-SA 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F129333\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",1000,958,{"id":174,"source_url":175,"license_code":169,"credit_html":176,"title":177,"description":178,"author":179,"original_width":180,"original_height":181},6993,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65868196","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65868196\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Delhayelite.jpg","Outstanding grey crystals of the rare mineral delhayelite from a Russian locality (Rasvumtchorr, Khibiny, Kola, Russian Federation).","David Hospital",871,666,{"id":183,"source_url":184,"license_code":169,"credit_html":185,"title":7,"description":11,"author":11,"original_width":171,"original_height":186},29587,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F129335","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F129335\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",952,[188],{"id":189,"url":190,"label":191,"formula":192,"spacegroup":193,"year":154},3586,"\u002Fcif\u002F3586.cif","Cannillo 1970","K3.51 Na1.5 Ca2.5 Al Si7 O19 Cl.9 F2","P m m n",[195,196],"Delhayeliet","Delhayelit",[198,202,206,210,214],{"lang":199,"names":200},"ca",[201],"delhayelita",{"lang":203,"names":204},"de",[205],"Delhayelith",{"lang":207,"names":208},"eu",[209],"Delhayelita",{"lang":211,"names":212},"it",[213],"delhayelite",{"lang":215,"names":216},"zh",[217],"片硅碱钙石","Q3704996",{"history":11,"applications":11}]