[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1214":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":21,"key_elements":22,"impurities":23,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":28,"discovery_year":11,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":35,"dana8ed4":35,"csystem":36,"cclass":37,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":42,"beta":43,"gamma":44,"aerror":45,"berror":45,"cerror":45,"alphaerror":45,"betaerror":45,"gammaerror":45,"va3":11,"z":46,"csmetamict":14,"commentcrystal":11,"twinning":47,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":48,"tlform":49,"hmin":50,"hmax":50,"hardtype":11,"vhnmin":38,"vhnmax":38,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":51,"dmeas2":51,"dcalc":52,"dmeaserror":37,"dcalcerror":11,"commentdense":11,"lustre":53,"lustretype":53,"commentluster":11,"diapheny":54,"streak":55,"colour":56,"commentcolor":11,"colors":57,"streak_colors":61,"luminescence":11,"uv":11,"cleavage":62,"cleavagetype":63,"fracturetype":11,"tenacity":64,"commentbreak":11,"opticaltype":65,"opticalsign":66,"opticalalpha":67,"opticalalpha2":38,"opticalalphaerror":37,"opticalbeta":68,"opticalbeta2":38,"opticalbetaerror":37,"opticalgamma":69,"opticalgamma2":38,"opticalgammaerror":37,"opticalomega":38,"opticalomega2":38,"opticalomegaerror":11,"opticalepsilon":38,"opticalepsilon2":38,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":70,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":33,"optical2vmeasured2":38,"optical2vmeasurederror":37,"rimin":71,"rimax":72,"opticaldispersion":73,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":74,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":75,"industrial":11,"occurrence":76,"otheroccurrence":11,"type_specimen_store":77,"description_short":78,"aboutname":79,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":80,"reviewed_at":11,"variety_of":11,"varieties":81,"group_members":82,"associates":107,"confused_with":108,"type_localities":109,"occurrence_total":116,"citations":117,"images":177,"structures":195,"synonyms":202,"language_names":204,"wikidata_qid":228,"texts":229},1214,"1:1:1214:6","e022985d-8d6a-42de-9c07-db71960ed5f0","Dalyite","Dly",0,"mineral",null,39518,253,false,"K\u003Csub>2\u003C\u002Fsub>ZrSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub>",[17,18,19,20],"Si","Zr","O","K",[17,18,19,20],[18],",Ti,Al,Fe,Mn,Mg,Ca,Ba,P,,","14.10.14",[26,27],"APPROVED","GRANDFATHERED",1952,"9","E","A","25","72","2","1","Triclinic",2,"0","7.371","7.730","6.912","106.23","111.45","100.00",3,1,"Not uncommon, with {100} as the composition plane.","Short prismatic. Dominated by {101} and pinacoids parallel to [001].","Colorless, prismatic crystals to 0.5 mm.",7.5,"2.82","2.81","Vitreous","Transparent,Translucent","White","Colourless, brown",[58,59,60],"colorless","brown","white",[60],"Distinct on \u003Cmi>{_101}\u003C\u002Fmi> and {010}, indistinct on {100}.","Distinct\u002FGood","brittle","Biaxial","-","1.575","1.590","1.601","80",1.575,1.601,"Very weak, r > v","X ∧ c = 7°.","Strongly cathodoluminescent in bright azure-blue.","Ejected blocks of alkalic granite in trachytic and basaltic tuffs.","The Natural History Museum, London, England, 64685.\r\nNational Museum of Natural History, Washington, D.C., USA, 113106.","Dalyite from Terceira ignimbrites contains some Na and minor Hf and Ti, but does not readily incorporate Fe, Mg and Ba.","Named by René van Tassel (1916-2013) in 1952 for Reginald Aldworth Daly (18 March 1871, Nepanee, Ontario, Canada – 19 September 1957, Cambridge, Massachusetts, USA). Daly was a professor at Harvard University and was one of the most brilliant igneous petrologists and established many geological principles. There are Daly Craters on both the Moon and Mars named in his honor. He also contributed greatly to the geological structure and petrology of Ascension Island, the type locality.","2026-02-10 12:03:13",[],[83,91,100],{"id":84,"name":85,"entrytype":9,"csystem":36,"ima_formula":86,"mindat_formula":86,"hmin":87,"hmax":87,"dmeas":88,"dcalc":89,"primary_image_id":90},1231,"Davanite","K\u003Csub>2\u003C\u002Fsub>TiSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub>",5,"2.76","2.754",6815,{"id":92,"name":93,"entrytype":9,"csystem":94,"ima_formula":95,"mindat_formula":96,"hmin":37,"hmax":45,"dmeas":97,"dcalc":98,"primary_image_id":99},3546,"Sazhinite-(Ce)","Orthorhombic","Na\u003Csub>3\u003C\u002Fsub>CeSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub> · 2H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>3\u003C\u002Fsub>CeSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub>·2H\u003Csub>2\u003C\u002Fsub>O","2.61","2.80",21668,{"id":101,"name":102,"entrytype":9,"csystem":94,"ima_formula":103,"mindat_formula":104,"hmin":45,"hmax":45,"dmeas":38,"dcalc":105,"primary_image_id":106},27499,"Sazhinite-(La)","Na\u003Csub>3\u003C\u002Fsub>LaSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub> · 2H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>3\u003C\u002Fsub>La[Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub>]·2H\u003Csub>2\u003C\u002Fsub>O","2.64",21667,[],[],[110],{"id":111,"txt":112,"latitude":113,"longitude":114,"country":115},58,"Green Mountain, Ascension Island, Saint Helena， Ascension and Tristan da Cunha",-7.9515419,-14.3427372,"Saint Helena， Ascension and Tristan da Cunha",21,[118,121,125,130,135,139,144,148,153,157,162,167,172],{"id":119,"year":28,"html":120,"doi":11},522309,"Fleischer, M. (1952) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  37 (11-12). 1070-1074 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM37\u002FAM37_1070.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":122,"year":28,"html":123,"doi":124},4403,"Van Tassel, R., Hey, M. H. (1952) Dalyite, a new potassium zirconium silicate, from Ascension Island, Atlantic. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  29 (217) 850-857 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1952.029.217.02'>doi:10.1180\u002Fminmag.1952.029.217.02\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_29\u002F29-217-850.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1952.029.217.02",{"id":126,"year":127,"html":128,"doi":129},107185,1965,"Fleet, S. G. (1965) The crystal structure of dalyite. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  121 (5). 349-368 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1965.121.5.349'>doi:10.1524\u002Fzkri.1965.121.5.349\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol121\u002FZK121_349.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1965.121.5.349",{"id":131,"year":132,"html":133,"doi":134},6064,1967,"Cann, J. R. (1967) A second occurrence of dalyite and the petrology of some ejected syenite blocks from São Miguel, Azores. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  36 (278) 227-232 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1967.036.278.05'>doi:10.1180\u002Fminmag.1967.036.278.05\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_36\u002F36-278-227.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1967.036.278.05",{"id":136,"year":137,"html":138,"doi":11},16107188,1982,"Lazebnik, K.A., Makhotko, V.F. (1982) Dalyite, the first finding in the USSR. Zapiski Vsesoyuznogo Mineralogicheskogo Obschestva, 111, 587-593.",{"id":140,"year":141,"html":142,"doi":143},3483,1983,"Robins, B., Furnes, H., Ryan, P. (1983) A new occurrence of dalyite. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  47 (342) 93-94 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1983.047.342.21'>doi:10.1180\u002Fminmag.1983.047.342.21\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_47\u002F47-342-93.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1983.047.342.21",{"id":145,"year":146,"html":147,"doi":11},16107190,1987,"Harris, C., Rickard, R.S. (1987) Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. The Canadian Mineralogist, 25, 755-762.",{"id":149,"year":150,"html":151,"doi":152},16485706,1988,"Linthout, K., Nobel, F. A., Lustenhouwer, W. J. (1988) First Occurrence of Dalyite in Extrusive Rock. \u003Ci>Mineralogical Magazine\u003C\u002Fi>, 52 (368) 705-708 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1988.052.368.16'>doi:10.1180\u002Fminmag.1988.052.368.16\u003C\u002Fa>","10.1180\u002Fminmag.1988.052.368.16",{"id":154,"year":155,"html":156,"doi":11},16963896,2001,"(2001) Dalyite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fdalyite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":158,"year":159,"html":160,"doi":161},244796,2016,"Jeffery, A. J., Gertisser, R., Jackson, R. A., O'Driscoll, B., Kronz, A. (2016) On the compositional variability of dalyite, K\u003Csub>2\u003C\u002Fsub>ZrSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub>: a new occurrence from Terceira, Azores. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  80 (4) 547-565 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2016.080.018'>doi:10.1180\u002Fminmag.2016.080.018\u003C\u002Fa>","10.1180\u002Fminmag.2016.080.018",{"id":163,"year":164,"html":165,"doi":166},13057792,2021,"Imaoka, Teruyoshi, Akita, Sachiho, Nagashima, Mariko (2021) Dalyite (K\u003Csub>2\u003C\u002Fsub>ZrSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub>) and Zektzerite (LiNaZrSi\u003Csub>6\u003C\u002Fsub>O\u003Csub>15\u003C\u002Fsub>) in Aegirine-bearing Albitite from Iwagi Islet, SW Japan. \u003Ci>Journal of Geography (Chigaku Zasshi)\u003C\u002Fi>,  130 (3) 369-378 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.5026\u002Fjgeography.130.369'>doi:10.5026\u002Fjgeography.130.369\u003C\u002Fa>","10.5026\u002Fjgeography.130.369",{"id":168,"year":169,"html":170,"doi":171},15662497,2023,"Dokuchits, Emilia Yu.; Jiang, Shao-Yong; Stepanov, Aleksandr S.; Zhukova, Irina A.; Radomskaya, Tatiana A.; Su, Hui-Min; Liu, Si-Qi (2023) Mineral associations and in-situ major and trace element compositions of dalyite from charoitites, Murun complex, Siberia. \u003Ci>Ore Geology Reviews\u003C\u002Fi>,  153. 105297 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.oregeorev.2023.105297'>doi:10.1016\u002Fj.oregeorev.2023.105297\u003C\u002Fa>","10.1016\u002Fj.oregeorev.2023.105297",{"id":173,"year":174,"html":175,"doi":176},19434007,2026,"Comboni, Davide; Garbarino, Gaston; Hanfland, Michael; Nazzareni, Sabrina (2026) High-pressure phase transitions in dalyite, a Zr-silicate. \u003Ci>American Mineralogist\u003C\u002Fi>,  111 (1).  \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2024-9504'>doi:10.2138\u002Fam-2024-9504\u003C\u002Fa>","10.2138\u002Fam-2024-9504",[178,188],{"id":179,"source_url":180,"license_code":181,"credit_html":182,"title":183,"description":184,"author":185,"original_width":186,"original_height":187},6814,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=67169154","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=67169154\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Dalyite.jpg","Pale tan crystal aggregates of dalyite, a very rare zirconium mineral. From: Gjerdingen, Nordmarka, Lunner, Oppland, Norway.","David Hospital",789,667,{"id":189,"source_url":190,"license_code":181,"credit_html":191,"title":192,"description":193,"author":185,"original_width":194,"original_height":187},6813,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=67169153","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=67169153\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Dalyite and janhaugite.jpg","Pale tan crystal aggregates of dalyite associated to very minoritary orange brown janhaugite. Both are very rare zirconium minerals. From: Gjerdingen, Nordmarka, Lunner, Oppland, Norway.",849,[196],{"id":197,"url":198,"label":199,"formula":200,"spacegroup":201,"year":127},3485,"\u002Fcif\u002F3485.cif","Fleet 1965","(K1.7 Na.3) Zr Si6 O15","P -1",[203],"Dalyiet",[205,209,213,217,220,224],{"lang":206,"names":207},"ca",[208],"dalyita",{"lang":210,"names":211},"de",[212],"Dalyit",{"lang":214,"names":215},"eu",[212,216],"Dalyita",{"lang":218,"names":219},"it",[7],{"lang":221,"names":222},"nb",[223],"dalyitt",{"lang":225,"names":226},"nn",[227],"Dalyitt","Q3701193",{"history":11,"applications":11}]