[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1919":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":22,"key_elements":23,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":27,"publication_year":28,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":35,"dana8ed3":36,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":44,"beta":45,"gamma":44,"aerror":38,"berror":46,"cerror":47,"alphaerror":11,"betaerror":48,"gammaerror":11,"va3":11,"z":49,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":50,"tlform":51,"hmin":46,"hmax":46,"hardtype":11,"vhnmin":44,"vhnmax":44,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":52,"dmeas2":52,"dcalc":53,"dmeaserror":49,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":54,"commentluster":11,"diapheny":55,"streak":56,"colour":57,"commentcolor":58,"colors":59,"streak_colors":62,"luminescence":11,"uv":63,"cleavage":64,"cleavagetype":65,"fracturetype":11,"tenacity":66,"commentbreak":11,"opticaltype":67,"opticalsign":68,"opticalalpha":69,"opticalalpha2":44,"opticalalphaerror":70,"opticalbeta":71,"opticalbeta2":44,"opticalbetaerror":70,"opticalgamma":72,"opticalgamma2":44,"opticalgammaerror":70,"opticalomega":44,"opticalomega2":44,"opticalomegaerror":11,"opticalepsilon":44,"opticalepsilon2":44,"opticalepsilonerror":11,"opticaln":44,"opticaln2":44,"opticalnerror":11,"optical2vcalc":73,"optical2vcalc2":44,"optical2vcalcerror":11,"optical2vmeasured":74,"optical2vmeasured2":75,"optical2vmeasurederror":11,"rimin":76,"rimax":77,"opticaldispersion":78,"opticalpleochroism":79,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":80,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":81,"industrial":11,"occurrence":82,"otheroccurrence":11,"type_specimen_store":83,"description_short":11,"aboutname":84,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":85,"reviewed_at":11,"variety_of":11,"varieties":86,"group_members":87,"associates":88,"confused_with":89,"type_localities":90,"occurrence_total":46,"citations":97,"images":117,"structures":128,"synonyms":135,"language_names":138,"wikidata_qid":159,"texts":160},1919,"1:1:1919:0","460de35b-3e84-410f-844b-162ca229aa79","Holdawayite","Hdw",0,"mineral",null,49,false,"Mn\u003Csub>6\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>7\u003C\u002Fsub>(Cl,OH)","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>7\u003C\u002Fsub>(Cl,OH)",[17,18,19,20,21],"Cl","Mn","O","C","H",[17,18,19,20,21],[17],"11.12.2",[26],"APPROVED",1986,1988,"1986","5","B","A","20","16b","4","2","Monoclinic",5,11,"C2\u002Fm ","23.437","3.3137","16.618","0","111.15",3,6,2,4,"Granular aggregates or massive. Fibrous, elongated along [001].","Subhedral crystals approximately 2 cm in diameter.","3.19","3.24","Vitreous","Translucent","Light pink","Light to bright pink","It gradually changes to a brown color on exposure and in some cases has developed a thin black sooty coating that masks the true color",[60,61],"pink","white",[60],"None","{100}","Perfect","brittle","Biaxial","-","1.644",1,"1.719","1.721","16","12","18",1.644,1.721,"relatively strong","Non-pleochroic","X = b; Z ∧ c = 45(3)° in the obtuse angle of beta.","Effervesces weakly in dilute HCl. It is stained light pink with an alizain-red-dilute HCl mixture.","Tectonically intercalated manganese and iron ores, which are locally dominated by carbonate- and silicate-facies rocks rather than by the more usual hausmannite ores.","Canadian Museum of Nature, Ottawa, Ontario, Canada, numbers 51510, 51511.\r\nNational Museum of Natural History, Washington, D.C., USA, number 163209.","Named in honor of Michael Jon Holdaway (b. 1936, d. March 21, 2025), professor of petrology and Southern Methodist University, Dallas, Texas, USA, for his contributions to mineralogy ind petrology and for his efforts as editor of the American Mineralogist.","2025-10-19 18:53:50",[],[],[],[],[91],{"id":92,"txt":93,"latitude":94,"longitude":95,"country":96},2427,"Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia",-19.708116,17.7032969,"Namibia",[98,101,104,108,112],{"id":99,"year":28,"html":100,"doi":11},528471,"Peacor, Donald R., Essene, Eric J., Rouse, Roland C., Dunn, Pete J., Nelen, Joseph A., Grice, Joel D., Innes, John, Knorring, Oleg Von (1988) Holdawayite, a new manganese hydroxyl-carbonate from the Kombat mine, Namibia. \u003Ci>American Mineralogist\u003C\u002Fi>,  73 (5-6) 632-636 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM73\u002FAM73_632.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":102,"year":28,"html":103,"doi":11},528472,"Peacor, Donald R., Rouse, Roland C. (1988) Holdawayite, Mn\u003Csub>6\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>7\u003C\u002Fsub>(Cl,OH), a structure containing anions in zeolite-like channels. \u003Ci>American Mineralogist\u003C\u002Fi>,  73 (5-6) 637-642 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM73\u002FAM73_637.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":105,"year":106,"html":107,"doi":11},12908520,1991,"Dunn, Pete J. (1991) Rare Minerals of the Kombat Mine. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 22 (6) 421-425",{"id":109,"year":110,"html":111,"doi":11},16964868,2005,"(2005) Holdawayite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fholdawayite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":113,"year":114,"html":115,"doi":116},16391955,2011,"Mernagh, Terrence P., Kamenetsky, Vadim S., Kamenetsky, Maya B. (2011) A Raman microprobe study of melt inclusions in kimberlites from Siberia, Canada, SW Greenland and South Africa. \u003Ci>Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy\u003C\u002Fi>, 80 (1) 82-87 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.saa.2011.01.034'>doi:10.1016\u002Fj.saa.2011.01.034\u003C\u002Fa>","10.1016\u002Fj.saa.2011.01.034",[118],{"id":119,"source_url":120,"license_code":121,"credit_html":122,"title":123,"description":124,"author":125,"original_width":126,"original_height":127},11534,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=110992395","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=110992395\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Holdawayite.jpg","Outstanding brown crystals of the extrememely rare Mn mineral holdawayite from the type locality in Kombat mine, Namibia. Originally, holdawayite is light to bright pink but it gradually changes to a brown color on exposure and in some cases has developed a thin black sooty coating that masks the true color. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",663,493,[129],{"id":130,"url":131,"label":132,"formula":133,"spacegroup":134,"year":28},6262,"\u002Fcif\u002F6262.cif","Peacor 1988","Mn11.16 C4 O26 Cl1.69 H14","C 1 2\u002Fm 1",[136,137],"Holdawayiet","IMA1986-001",[139,143,148,152,155],{"lang":140,"names":141},"ca",[142],"holdawayita",{"lang":144,"names":145},"de",[146,147],"Holdawayit","IMA 1986-001",{"lang":149,"names":150},"eu",[151],"Holdawayita",{"lang":153,"names":154},"it",[7],{"lang":156,"names":157},"zh",[158],"霍尔达维石","Q3786268",{"history":11,"applications":11}]