[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2271":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":22,"impurities":23,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":27,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":20,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":34,"dana8ed4":35,"csystem":36,"cclass":37,"spacegroup":38,"spacegroupset":39,"a":40,"b":41,"c":42,"alpha":43,"beta":44,"gamma":43,"aerror":37,"berror":45,"cerror":46,"alphaerror":11,"betaerror":47,"gammaerror":11,"va3":11,"z":46,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":48,"hmin":46,"hmax":46,"hardtype":11,"vhnmin":43,"vhnmax":43,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":49,"dmeas2":49,"dcalc":50,"dmeaserror":51,"dcalcerror":11,"commentdense":11,"lustre":52,"lustretype":53,"commentluster":54,"diapheny":55,"streak":56,"colour":57,"commentcolor":11,"colors":58,"streak_colors":61,"luminescence":11,"uv":11,"cleavage":62,"cleavagetype":63,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":64,"opticalsign":65,"opticalalpha":66,"opticalalpha2":43,"opticalalphaerror":51,"opticalbeta":67,"opticalbeta2":43,"opticalbetaerror":51,"opticalgamma":68,"opticalgamma2":43,"opticalgammaerror":51,"opticalomega":43,"opticalomega2":43,"opticalomegaerror":11,"opticalepsilon":43,"opticalepsilon2":43,"opticalepsilonerror":11,"opticaln":43,"opticaln2":43,"opticalnerror":11,"optical2vcalc":69,"optical2vcalc2":43,"optical2vcalcerror":11,"optical2vmeasured":70,"optical2vmeasured2":43,"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":75,"other":76,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":77,"description_short":11,"aboutname":78,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":79,"reviewed_at":11,"variety_of":11,"varieties":80,"group_members":81,"associates":82,"confused_with":83,"type_localities":84,"occurrence_total":91,"citations":92,"images":108,"structures":119,"synonyms":126,"language_names":129,"wikidata_qid":146,"texts":147},2271,"1:1:2271:8","09d517e2-16e4-41dd-8280-a3a20970f28e","Krauskopfite","Kkp",0,"mineral",null,118,false,"BaSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>·3H\u003Csub>2\u003C\u002Fsub>O","BaSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub> · 3H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20],"Ba","Si","O","H",[17,18,19,20],[17],",Ti,Al,Fe,Mn,Mg,Ca,Sr,K,,","14.7.2",[26],"APPROVED",1965,"1964","9","D","30","74","3","4","2","Monoclinic",5,14,"P21\u002Fa","8.460","10.622","7.837","0","94.53",6,4,1,"Grains without crystal faces.","3.14","3.10",2,"Sub-Vitreous, Pearly","Sub-Vitreous,Pearly","Pearly on cleavages","Transparent,Translucent","White","White to colourless",[59,60],"white","colorless",[59],"Perfect on {010} and {001} intersecting at 90°, with a third poor cleavage at a high angle to the other two.","Perfect","Biaxial","-","1.574","1.587","1.599","87","88",1.574,1.599,"relatively weak","X = b; Y ∧ a = 6°; Z ∧ c = 10.5°. a ∧ c = 94° 32' +\u002F- 8'. ","Gives off water in a closed tube test and fuses at about 5 to a colorless bead.\r\n\r\nHeated in an electric furnace,  the mineral is stable at 100 °C, but at 300 °C it decrepitates and turns opaque white. At 450 °C it has a total weight loss of 16.7 per cent. There is no further change up to 1200 °C. At 1300 °C., it partially melts to a colorless glass.","Readily decomposed by cold dilute acids leaving a white to transparent silica residue. Not affected by weak bases.","California Division of Mines and Geology, San Francisco, California, USA.","Named in honour of Konrad Bates Krauskopf (November 30, 1910 – May 4, 2003), professor of geochemistry at Stanford University and noted for his work in radioactive waste disposal. ","2025-08-11 12:14:21",[],[],[],[],[85],{"id":86,"txt":87,"latitude":88,"longitude":89,"country":90},4369,"Esquire No. 1 claim, Rush Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA",36.9736111,-119.2502778,"USA",8,[93,96,100,104],{"id":94,"year":27,"html":95,"doi":11},524222,"Alfors, John T., Stinson, Melvin C., Matthews, Robert A., Pabst, Adolf (1965) Seven new barium minerals from eastern Fresno County, California. \u003Ci>American Mineralogist\u003C\u002Fi>,  50 (3-4) 314-340 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM50\u002FAM50_314.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":97,"year":98,"html":99,"doi":11},16114245,1967,"Coda, A., dal Negro, A., Rossi, G. (1967) The crystal structure of krauskopfite. Atti della Accademia Nazionale dei Lincei, Serie, 8(42), 859-873.",{"id":101,"year":102,"html":103,"doi":11},527907,1984,"Alfors, John T., Pabst, Adolf (1984) Titanian taramellites in western North America. \u003Ci>American Mineralogist\u003C\u002Fi>,  69 (3-4) 358-373 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM69\u002FAM69_358.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":105,"year":106,"html":107,"doi":11},16965397,2001,"(2001) Krauskopfite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fkrauskopfite.pdf' class='refpdflink'>\u003C\u002Fa>",[109],{"id":110,"source_url":111,"license_code":112,"credit_html":113,"title":114,"description":115,"author":116,"original_width":117,"original_height":118},13646,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163476082","CC0 1.0","Twyla Baker, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163476082\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Krauskopfite (GeoDIL number - 278).jpg","Although difficult to see, this sample contains krauskopfite (dull white mineral on left edge) replacing sanbornite (more vitreous white mineral in the center of the sample). The dark red mineral is unidentified. This specimen is from the Big Creek - Rush Creek sanbornite deposit, near Trimmer, California. Krauskopfite, a rare mineral, has composition BaSi2O4(OH)2-2H2O, and generally only forms as a replacement for sanbornite. Krauskopfite and sanbornite are two of only a few know barium minerals. This specimen is about 7 cm in length.","Twyla Baker",2314,1520,[120],{"id":121,"url":122,"label":123,"formula":124,"spacegroup":125,"year":98},7288,"\u002Fcif\u002F7288.cif","Coda 1967","Ba Si2 O8 H6","P 1 21\u002Fc 1",[127,128],"IMA1964-008","Krauskopfiet",[130,134,139,143],{"lang":131,"names":132},"ca",[133],"krauskopfita",{"lang":135,"names":136},"de",[137,138],"IMA 1964-008","Krauskopfit",{"lang":140,"names":141},"eu",[142],"Krauskopfita",{"lang":144,"names":145},"it",[7],"Q3816851",{"history":11,"applications":11}]