[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1935":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":24,"key_elements":11,"impurities":25,"cim":26,"ima_status":27,"ima_notes":11,"ima_history":11,"approval_year":29,"publication_year":11,"discovery_year":30,"strunz10ed1":31,"strunz10ed2":32,"strunz10ed3":23,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":35,"dana8ed3":36,"dana8ed4":37,"csystem":38,"cclass":39,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":44,"beta":45,"gamma":46,"aerror":47,"berror":47,"cerror":47,"alphaerror":11,"betaerror":11,"gammaerror":48,"va3":11,"z":49,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":50,"tlform":11,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":40,"vhnmax":40,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":51,"dmeas2":51,"dcalc":52,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":53,"commentluster":11,"diapheny":54,"streak":11,"colour":55,"commentcolor":11,"colors":56,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":62,"cleavagetype":63,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":64,"opticalsign":65,"opticalalpha":66,"opticalalpha2":40,"opticalalphaerror":11,"opticalbeta":67,"opticalbeta2":40,"opticalbetaerror":11,"opticalgamma":68,"opticalgamma2":40,"opticalgammaerror":11,"opticalomega":40,"opticalomega2":40,"opticalomegaerror":11,"opticalepsilon":40,"opticalepsilon2":40,"opticalepsilonerror":11,"opticaln":40,"opticaln2":40,"opticalnerror":11,"optical2vcalc":69,"optical2vcalc2":40,"optical2vcalcerror":11,"optical2vmeasured":33,"optical2vmeasured2":40,"optical2vmeasurederror":11,"rimin":70,"rimax":71,"opticaldispersion":72,"opticalpleochroism":73,"opticalpleochorismdesc":74,"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":11,"otheroccurrence":75,"type_specimen_store":76,"description_short":11,"aboutname":77,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":78,"reviewed_at":11,"variety_of":11,"varieties":79,"group_members":80,"associates":103,"confused_with":113,"type_localities":114,"occurrence_total":121,"citations":122,"images":147,"structures":165,"synonyms":172,"language_names":175,"wikidata_qid":200,"texts":201},1935,"1:1:1935:0","352027fa-1900-4e02-8536-df3d8f8a31c4","Howieite","Hw",0,"mineral",null,46597,242,false,"Na(Fe\u003Csup>2+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>,Al,Mg)\u003Csub>12\u003C\u002Fsub>(Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>17\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(O,OH)\u003Csub>10\u003C\u002Fsub>",[17,18,19,20,21,22,23],"Al","Fe","Mg","Na","Si","O","H",[18,20,21,22],",Ca,Mg,Ti,,","16.16.13",[28],"APPROVED",1964,"1964","9","D","65","69","2","3","1","Triclinic",2,"0","10.170","9.774","9.589","91.225","70.765","108.09",4,5,1,"bladed crystals, to 1 cm; in plumose aggregates and rosettes","3.378","3.34","Greasy","Transparent,Translucent","Dark green to black.",[57,58,59,60,61],"green","black","yellow","purple","gray","Good on {010}, fair on {100}, poor on \u003Cmi>{2_10}.\u003C\u002Fmi>","Distinct\u002FGood","Biaxial","-","1.701","1.720","1.734","80",1.701,1.734,"weak","Visible","X = golden; Y = dark lilac gray; Z = green.\r\n","Iron-rich metasediments from the blueschist facies of metamorphism.","National Museum of Natural History, Washington, D.C., USA, 109453, 144184; The Natural History Museum, London, England, 1964,544.","Named by Stewart Olof Agrell, Michael G. Bown, and Duncan McKie in 1964 in honour of Prof. Robert Andrew Howie (4 June 1923, Olney, Buckinghamshire, England, UK - 10 March 2012, Derby, England, UK), British petrologist and mineralogist of King's College, London University, United Kingdom. Prof. Howie was one of the authors of the Rock-Forming Minerals book series (Deer, Howie and Zussman). ","2025-08-11 12:14:20",[],[81,90,97],{"id":82,"name":83,"entrytype":9,"csystem":84,"ima_formula":85,"mindat_formula":85,"hmin":86,"hmax":86,"dmeas":87,"dcalc":88,"primary_image_id":89},1245,"Deerite","Monoclinic","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>17\u003C\u002Fsub>)O\u003Csub>3\u003C\u002Fsub>(OH)\u003Csub>5\u003C\u002Fsub>",6,"3.837","3.86",6966,{"id":91,"name":92,"entrytype":9,"csystem":38,"ima_formula":93,"mindat_formula":94,"hmin":48,"hmax":86,"dmeas":95,"dcalc":96,"primary_image_id":11},2106,"Johninnesite","Na\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>9\u003C\u002Fsub>Mg\u003Csub>7\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>17\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>8\u003C\u002Fsub>","Na\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>9\u003C\u002Fsub>Mg\u003Csub>7\u003C\u002Fsub>(OH)\u003Csub>8\u003C\u002Fsub>[AsO\u003Csub>4\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>[Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>17\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>","3.48","3.51",{"id":98,"name":99,"entrytype":9,"csystem":38,"ima_formula":100,"mindat_formula":100,"hmin":48,"hmax":86,"dmeas":101,"dcalc":101,"primary_image_id":102},3880,"Taneyamalite","(Na,Ca)Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>12\u003C\u002Fsub>(Si,Al)\u003Csub>12\u003C\u002Fsub>(O,OH)\u003Csub>44\u003C\u002Fsub>","3.30",23543,[104],{"id":105,"name":106,"entrytype":9,"csystem":38,"ima_formula":107,"mindat_formula":108,"hmin":109,"hmax":109,"dmeas":110,"dcalc":111,"primary_image_id":112},3524,"Santaclaraite","CaMn\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>Si\u003Csub>5\u003C\u002Fsub>O\u003Csub>14\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · H\u003Csub>2\u003C\u002Fsub>O","CaMn\u003Csub>4\u003C\u002Fsub>[Si\u003Csub>5\u003C\u002Fsub>O\u003Csub>14\u003C\u002Fsub>OH](OH)·H\u003Csub>2\u003C\u002Fsub>O",6.5,"3.31","3.379",21536,[],[115],{"id":116,"txt":117,"latitude":118,"longitude":119,"country":120},3502,"Laytonville Quarry, Laytonville, Coastal Range, California, USA",39.6180556,-123.4630556,"USA",13,[123,126,130,134,138,143],{"id":124,"year":29,"html":125,"doi":11},16107312,"Agrell, S.O. (1964), Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California (title only), American Mineralogist: 49.",{"id":127,"year":128,"html":129,"doi":11},16107313,1965,"Agrell, S.O., M.G. Bown & McKie (1965), Deerite, howieite and zussmanite, three new minerals from the Franciscan of the Laytonville district, Mendocino County, California: American Mineralogist: 50: 278.",{"id":131,"year":132,"html":133,"doi":11},16107315,1969,"Boerner, U. (1969), Deerit, Howieit und Zussmanit, neue seltene Mineralien von einen Steinbruch bei Laytonville in Nord-Kalifornien: Aufschluss: 20: 338-341.",{"id":135,"year":136,"html":137,"doi":11},526196,1974,"Wenk, H. R. (1974) Howieite, a new type of chain silicate. \u003Ci>American Mineralogist\u003C\u002Fi>,  59 (1-2) 86-97 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM59\u002FAM59_86.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":139,"year":140,"html":141,"doi":142},402899,1981,"Lattard, Dominique, Schreyer, Werner (1981) Experimental results bearing on the stability of the blueschist-facies minerals deerite, howieite and zussmanite, and their petrological significance. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  104 (4) 431-440 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1981.7490'>doi:10.3406\u002Fbulmi.1981.7490\u003C\u002Fa>","10.3406\u002Fbulmi.1981.7490",{"id":144,"year":145,"html":146,"doi":11},16964893,2001,"(2001) Howieite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fhowieite.pdf' class='refpdflink'>\u003C\u002Fa>",[148,158],{"id":149,"source_url":150,"license_code":151,"credit_html":152,"title":153,"description":154,"author":155,"original_width":156,"original_height":157},11657,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=86101116","CC BY 3.0","John Sobolewski, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=86101116\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Howieite-540427.jpg","A 2.4 by 2.2 cms fibrous mass. JSS specimen and photo. From: Laytonville Quarry, Laytonville, Coastal Range, Mendocino Co., California, USA.","John Sobolewski",1024,768,{"id":159,"source_url":160,"license_code":161,"credit_html":162,"title":7,"description":11,"author":11,"original_width":163,"original_height":164},29883,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179458","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\u002F179458\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",1000,656,[166],{"id":167,"url":168,"label":169,"formula":170,"spacegroup":171,"year":136},6311,"\u002Fcif\u002F6311.cif","Wenk 1974","Si11.92 Ti.08 Fe8 Mn2.98 Mg.45 Al.62 Na O44","P -1",[173,174],"Howieiet","IMA1964-017",[176,180,184,188,192,196],{"lang":177,"names":178},"ca",[179],"howieïta",{"lang":181,"names":182},"de",[183,174],"Howieit",{"lang":185,"names":186},"et",[187],"hoviit",{"lang":189,"names":190},"eu",[191],"Howieita",{"lang":193,"names":194},"it",[195],"howieite",{"lang":197,"names":198},"zh",[199],"硅铁锰钠石","Q3787280",{"history":11,"applications":11}]