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Straczek (13 September 1914, Washington, USA - 2 November 2003, Connecticut, USA), chief geologist, Union Carbide Corporation, who made possible the study of the mineral. Pronounced strā'chek-ite. *Birth\u002Fdeath details, other than birth year, unverified.","2025-08-11 12:14:23",[],[78,86,94,103],{"id":79,"name":80,"entrytype":9,"csystem":39,"ima_formula":81,"mindat_formula":82,"hmin":11,"hmax":11,"dmeas":83,"dcalc":84,"primary_image_id":85},522,"Bariandite","Al\u003Csub>0.6\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub> · 9H\u003Csub>2\u003C\u002Fsub>O","Al\u003Csub>0.6\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>·9H\u003Csub>2\u003C\u002Fsub>O","2.7","2.50",2629,{"id":87,"name":88,"entrytype":9,"csystem":39,"ima_formula":89,"mindat_formula":90,"hmin":48,"hmax":48,"dmeas":91,"dcalc":92,"primary_image_id":93},709,"Bokite","(Al,Fe)\u003Csub>1.3\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub> · 7.5H\u003Csub>2\u003C\u002Fsub>O","(Al,Fe)\u003Csub>1.3\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>·7.5H\u003Csub>2\u003C\u002Fsub>O","2.97","3.41",3568,{"id":95,"name":96,"entrytype":9,"csystem":39,"ima_formula":97,"mindat_formula":98,"hmin":99,"hmax":48,"dmeas":100,"dcalc":101,"primary_image_id":102},1138,"Corvusite","(Na,Ca,K)\u003Csub>1-x\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","(Na,K,Ca,Mg)\u003Csub>2\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>·6-10H\u003Csub>2\u003C\u002Fsub>O",2.5,"2.82","3.02",6358,{"id":104,"name":105,"entrytype":9,"csystem":39,"ima_formula":106,"mindat_formula":107,"hmin":50,"hmax":48,"dmeas":108,"dcalc":109,"primary_image_id":110},1483,"Fernandinite","(Ca,Na,K)\u003Csub>0.9\u003C\u002Fsub>(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>,Ti)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","(Ca,K)(V\u003Csup>5+\u003C\u002Fsup>,V\u003Csup>4+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>·10H\u003Csub>2\u003C\u002Fsub>O","2.78","3.07",8494,[112],{"id":113,"name":114,"entrytype":9,"csystem":39,"ima_formula":115,"mindat_formula":116,"hmin":11,"hmax":11,"dmeas":117,"dcalc":46,"primary_image_id":118},1541,"Fervanite","Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>V\u003Csup>5+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>O\u003Csub>16\u003C\u002Fsub> · 5H\u003Csub>2\u003C\u002Fsub>O","Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>V\u003Csup>5+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>O\u003Csub>16\u003C\u002Fsub>·5H\u003Csub>2\u003C\u002Fsub>O","3.28",8879,[],[121],{"id":122,"txt":123,"latitude":124,"longitude":125,"country":126},45867,"North Wilson pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA",34.4777778,-92.9680556,"USA",[128,131,135,139,143],{"id":129,"year":29,"html":130,"doi":11},16124490,"Kutoglu, A. (1983) Kristallstruktur der calcium-vanadium-bronze CaxV4+2xV5+2-2xO5. Zeitschrift für Kristallographie: 162: 263-272.",{"id":132,"year":30,"html":133,"doi":134},3628,"Evans, Howard T., Nord, Gordon, Marinenko, John, Milton, Charles (1984) Straczekite, a new calcium barium potassium vanadate mineral from Wilson Springs, Arkansas. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  48 (347) 289-293 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1984.048.347.16'>doi:10.1180\u002Fminmag.1984.048.347.16\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_48\u002F48-347-289.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1984.048.347.16",{"id":136,"year":137,"html":138,"doi":11},528143,1985,"Dunn, Pete J., Fleischer, Michael, Langley, Richard H., Shigley, James E., Zilczer, Janet A. (1985) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (7-8) 871-881 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_871.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":140,"year":141,"html":142,"doi":11},528871,1990,"Evans, Howard T., Jr.,, Hughes, John M. (1990) Crystal chemistry of the natural vanadium bronzes. \u003Ci>American Mineralogist\u003C\u002Fi>,  75 (5-6) 508-521 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM75\u002FAM75_508.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":144,"year":145,"html":146,"doi":11},16967480,2005,"(2005) Straczekite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fstraczekite.pdf' class='refpdflink'>\u003C\u002Fa>",[148],{"id":149,"source_url":150,"license_code":151,"credit_html":152,"title":153,"description":154,"author":155,"original_width":156,"original_height":157},22995,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114948917","CC0 1.0","Fernando Brederodes, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114948917\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Straczekite-640502.png","Black massive Straczekite on matrix; from: Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA. Photo and collection Fernando Brederodes.","Fernando Brederodes",668,661,[159],{"id":160,"url":161,"label":162,"formula":163,"spacegroup":164,"year":29},13227,"\u002Fcif\u002F13227.cif","Kutoglu 1983","Ca1.2 V3.896 O10","C 1 2\u002Fm 1",[166,167],"IMA1983-028","Straczekiet",[169,173,178,182],{"lang":170,"names":171},"ca",[172],"straczekita",{"lang":174,"names":175},"de",[176,177],"IMA 1983-028","Straczekit",{"lang":179,"names":180},"eu",[181],"Straczekita",{"lang":183,"names":184},"it",[7],"Q3974595",{"history":11,"applications":11}]