[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1924":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":21,"key_elements":11,"impurities":11,"cim":22,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":25,"discovery_year":26,"strunz10ed1":27,"strunz10ed2":28,"strunz10ed3":28,"strunz10ed4":29,"dana8ed1":30,"dana8ed2":31,"dana8ed3":32,"dana8ed4":33,"csystem":34,"cclass":35,"spacegroup":36,"spacegroupset":37,"a":38,"b":37,"c":39,"alpha":37,"beta":37,"gamma":37,"aerror":40,"berror":11,"cerror":41,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":13,"commentcrystal":43,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":44,"tlform":45,"hmin":46,"hmax":47,"hardtype":11,"vhnmin":37,"vhnmax":37,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":48,"dmeas2":48,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":50,"commentluster":11,"diapheny":51,"streak":52,"colour":53,"commentcolor":11,"colors":54,"streak_colors":58,"luminescence":11,"uv":11,"cleavage":59,"cleavagetype":60,"fracturetype":61,"tenacity":11,"commentbreak":11,"opticaltype":62,"opticalsign":63,"opticalalpha":37,"opticalalpha2":37,"opticalalphaerror":11,"opticalbeta":37,"opticalbeta2":37,"opticalbetaerror":11,"opticalgamma":37,"opticalgamma2":37,"opticalgammaerror":11,"opticalomega":64,"opticalomega2":37,"opticalomegaerror":11,"opticalepsilon":65,"opticalepsilon2":37,"opticalepsilonerror":11,"opticaln":37,"opticaln2":37,"opticalnerror":11,"optical2vcalc":37,"optical2vcalc2":37,"optical2vcalcerror":11,"optical2vmeasured":37,"optical2vmeasured2":37,"optical2vmeasurederror":11,"rimin":66,"rimax":67,"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":68,"otheroccurrence":11,"type_specimen_store":69,"description_short":70,"aboutname":71,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":72,"reviewed_at":11,"variety_of":11,"varieties":73,"group_members":74,"associates":75,"confused_with":86,"type_localities":87,"occurrence_total":41,"citations":94,"images":126,"structures":137,"synonyms":149,"language_names":152,"wikidata_qid":176,"texts":177},1924,"1:1:1924:4","1a0ad873-b98d-48bb-af7e-ec7c707930e4","Holtedahlite","Htd",0,"mineral",null,72,false,"Mg\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)(OH)","Mg\u003Csub>12\u003C\u002Fsub>(PO\u003Csub>3\u003C\u002Fsub>OH,CO\u003Csub>3\u003C\u002Fsub>)(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>5\u003C\u002Fsub>(OH,O)\u003Csub>6\u003C\u002Fsub>",[17,18,19,20],"Mg","O","P","H",[17,18,19,20],"19.3.15",[24],"APPROVED",1979,"1971","8","B","20","41","6","4","2","Trigonal",11,82,"0","11.203","4.977",3,1,6,"Rømming & Raade (1989).","Occurred as masses and irregular patches, no external form has been observed.","Colorless masses and patches intimately associated with althausite and apatite.",4.5,5,"2.94","2.936","Vitreous","Transparent","White","Colorless",[55,56,57],"colorless","white","gray",[56],"Shows no cleavage","None Observed","Irregular\u002FUneven","Uniaxial","-","1.599","1.597",1.597,1.599,"Serpentinite-magnesite deposit.","The Natural History Museum in Oslo","Occurs as irregular masses and patches. It's difficult to visually distinguish between holtedahlite and the associated apatite. It typically contains inclusions of small magnetite grains which may impart a greyish color to it (Raade & Mladeck 1979)","First mentioned in Raade & Tysseland (1975) as \"an unidentified Ca-Mg-phosphate\". First described by Raade & Mladeck (1979).\r\n\r\nNamed in honor of Olaf Holtedahl (24 June 1885, Oslo, Norway - 28 August 1975), professor of geology at the University of Oslo.  He was the recipient of the Wollastone Medal of the Geological Society of London and the Leopold von Buch Medal from Deutsche Geologische Gesellschaft.","2025-08-11 12:14:20",[],[],[76],{"id":77,"name":78,"entrytype":9,"csystem":79,"ima_formula":80,"mindat_formula":80,"hmin":81,"hmax":82,"dmeas":83,"dcalc":84,"primary_image_id":85},148,"Althausite","Orthorhombic","Mg\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH,O)(F,◻)",3.5,4,"2.97","2.91",919,[],[88],{"id":89,"txt":90,"latitude":91,"longitude":92,"country":93},7838,"Tingelstadtjern Quarry, Modum, Buskerud, Norway",59.941147,9.868178,"Norway",[95,100,104,108,113,117,121],{"id":96,"year":97,"html":98,"doi":99},266281,1975,"Raade, Gunnar, Tysseland, Magne (1975) Althausite, a new mineral from Modum, Norway. \u003Ci>Lithos\u003C\u002Fi>,  8 (3) 215-219 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0024-4937(75)90038-9'>doi:10.1016\u002F0024-4937(75)90038-9\u003C\u002Fa>","10.1016\u002F0024-4937(75)90038-9",{"id":101,"year":25,"html":102,"doi":103},266593,"Raade, Gunnar, Mladeck, Micael H (1979) Holtedahlite, a new magnesium phosphate from Modum, Norway. \u003Ci>Lithos\u003C\u002Fi>,  12 (4) 283-287 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0024-4937(79)90019-7'>doi:10.1016\u002F0024-4937(79)90019-7\u003C\u002Fa>","10.1016\u002F0024-4937(79)90019-7",{"id":105,"year":106,"html":107,"doi":11},527476,1980,"Fleischer, Michael, Cabri, Louis J., Chao, G. Y., Pabst, Adolf (1980) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  65 (7-8) 808-814 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM65\u002FAM65_808.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":109,"year":110,"html":111,"doi":112},15769,1989,"Rømming, C., Raade, G. (1989) The crystal structure of natural and synthetic holtedahlite. \u003Ci>Mineralogy and Petrology\u003C\u002Fi>,  40 (2) 91-100 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf01164319'>doi:10.1007\u002Fbf01164319\u003C\u002Fa>","10.1007\u002Fbf01164319",{"id":114,"year":115,"html":116,"doi":11},528921,1990,"Jambor, John L., Grew, Edward S. (1990) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  75 (7-8) 931-937 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM75\u002FAM75_931.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":118,"year":119,"html":120,"doi":11},16964875,2005,"(2005) Holtedahlite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fholtedahlite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":122,"year":123,"html":124,"doi":125},65045,2012,"Evans, R. J., Groat, L. A. (2012) Structure and topology of dumortierite and dumortierite-like materials. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  50 (5) 1197-1231 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.50.5.1197'>doi:10.3749\u002Fcanmin.50.5.1197\u003C\u002Fa>","10.3749\u002Fcanmin.50.5.1197",[127],{"id":128,"source_url":129,"license_code":130,"credit_html":131,"title":132,"description":133,"author":134,"original_width":135,"original_height":136},11568,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=104292825","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=104292825\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Holtedahlite.jpg","Yellow crystal aggregates of holtedahlite from the type locality: Tingelstadtjern Quarry, Modum, Viken, Norway. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",780,593,[138,144],{"id":139,"url":140,"label":141,"formula":142,"spacegroup":143,"year":110},6274,"\u002Fcif\u002F6274.cif","Romming 1989 · Mg12 P5.76 C.24 O29.76 H6.76","Mg12 P5.76 C.24 O29.76 H6.76","P 3 1 m",{"id":145,"url":146,"label":147,"formula":148,"spacegroup":143,"year":110},6275,"\u002Fcif\u002F6275.cif","Romming 1989 · Mg12 P6 O30 H7","Mg12 P6 O30 H7",[150,151],"Holtedahliet","IMA1976-054",[153,157,162,166,169,173],{"lang":154,"names":155},"ca",[156],"holtedahlita",{"lang":158,"names":159},"de",[160,161],"Holtedahlit","IMA 1976-054",{"lang":163,"names":164},"eu",[165],"Holtedahlita",{"lang":167,"names":168},"it",[7],{"lang":170,"names":171},"nb",[172],"holtedahlitt",{"lang":174,"names":175},"nn",[172],"Q3786367",{"history":11,"applications":11}]