[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1603":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":16,"elements":17,"sigelements":23,"key_elements":24,"impurities":11,"cim":25,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":28,"publication_year":28,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":21,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":35,"dana8ed4":30,"csystem":36,"cclass":37,"spacegroup":38,"spacegroupset":39,"a":40,"b":41,"c":42,"alpha":43,"beta":43,"gamma":43,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":44,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":45,"tlform":46,"hmin":47,"hmax":47,"hardtype":11,"vhnmin":43,"vhnmax":43,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":48,"dmeas2":48,"dcalc":49,"dmeaserror":50,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":51,"commentluster":11,"diapheny":52,"streak":53,"colour":54,"commentcolor":11,"colors":55,"streak_colors":60,"luminescence":11,"uv":11,"cleavage":61,"cleavagetype":62,"fracturetype":63,"tenacity":64,"commentbreak":11,"opticaltype":65,"opticalsign":66,"opticalalpha":67,"opticalalpha2":43,"opticalalphaerror":11,"opticalbeta":68,"opticalbeta2":43,"opticalbetaerror":11,"opticalgamma":69,"opticalgamma2":43,"opticalgammaerror":11,"opticalomega":43,"opticalomega2":43,"opticalomegaerror":11,"opticalepsilon":43,"opticalepsilon2":43,"opticalepsilonerror":11,"opticaln":43,"opticaln2":43,"opticalnerror":11,"optical2vcalc":70,"optical2vcalc2":43,"optical2vcalcerror":11,"optical2vmeasured":71,"optical2vmeasured2":43,"optical2vmeasurederror":11,"rimin":72,"rimax":73,"opticaldispersion":74,"opticalpleochroism":75,"opticalpleochorismdesc":76,"opticalbirefringence":11,"opticalcomments":77,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":78,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":79,"otheroccurrence":11,"type_specimen_store":80,"description_short":11,"aboutname":81,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":82,"reviewed_at":11,"variety_of":11,"varieties":83,"group_members":84,"associates":127,"confused_with":128,"type_localities":129,"occurrence_total":44,"citations":136,"images":166,"structures":177,"synonyms":184,"language_names":187,"wikidata_qid":208,"texts":209},1603,"1:1:1603:8","8f57aca1-dc85-4037-8200-e4eed2004922","Fredrikssonite","Fdk",0,"mineral",null,29305,215,false,"Mg\u003Csub>2\u003C\u002Fsub>(Mn\u003Csup>3+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>)(BO\u003Csub>3\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>","Mg\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)",[18,19,20,21,22],"Fe","Mg","Mn","B","O",[19,20,21,22],[21],"9.8.3",[27],"APPROVED",1983,"1983","6","A","30","24","2","1","Orthorhombic",8,59,"Pbam ","9.18","12.55","2.95","0",4,"Crystals are elongated on [001], with a diamond-shaped cross-section. Aggregates are composed of crystals in a sub-parallel orientation and also randomly oriented crystals in radiating clusters.","Crystals are elongated on [001], with a diamond-shaped cross-section, to 0.1 x 2.0 mm in size.  They form aggregates in a sub-parallel orientation.  Also randomly oriented in radiating clusters of 1-2 mm crystals.  The transparency seems is an indicator of this species vs its polymorphs.",6,"3.84","3.80",5,"Vitreous,Dull","Translucent,Opaque","Pale brown to yellow","Reddish-brown",[56,57,58,59],"brown","red","yellow","black",[56,58],"One, poor, and a second, very poor","Poor\u002FIndistinct","Irregular\u002FUneven","brittle","Biaxial","+","1.82","1.86","1.99","62","51",1.82,1.99,"r > v, strong.","Strong","Pronounced; X = golden brown; Z = dark reddish brown to black.","Absorption: Z > X.","Z = elongation of cleavage fragments = c (by analogy to ludwigite).","Equigranular metamorphic rock consisting of manganoan calcite and hausmannite.","National Museum of Natural History (Smithsonian Institution), Washington, D.C., US, catalogue numbers 149811 and 150341.","Named by P.J. Dunn, D.R. Peacor, W.B. Simmons, and D. Newbury in 1983 in honor of Kurt A. Fredriksson (1926, Sweden – 2001), Swedish–American geochemist and meteoriticist, Smithsonian Institution, Washington, D.C., USA.  He pioneered the use of the electron microprobe on extraterrestrial minerals.","2025-08-11 12:14:20",[],[85,93,101,108,114,119],{"id":86,"name":87,"entrytype":9,"csystem":36,"ima_formula":88,"mindat_formula":89,"hmin":90,"hmax":90,"dmeas":91,"dcalc":91,"primary_image_id":92},442,"Azoproite","Mg\u003Csub>2\u003C\u002Fsub>[(Ti,Mg),Fe\u003Csup>3+\u003C\u002Fsup>]O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","(Mg,Fe\u003Csup>2+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>,Ti,Mg)(BO\u003Csub>3\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>",5.5,"3.63",2428,{"id":94,"name":95,"entrytype":9,"csystem":36,"ima_formula":96,"mindat_formula":97,"hmin":98,"hmax":98,"dmeas":43,"dcalc":99,"primary_image_id":100},717,"Bonaccordite","Ni\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","Ni\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>(BO\u003Csub>3\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>",7,"5.17",3613,{"id":102,"name":103,"entrytype":9,"csystem":36,"ima_formula":104,"mindat_formula":105,"hmin":50,"hmax":50,"dmeas":49,"dcalc":106,"primary_image_id":107},2454,"Ludwigite","Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>(BO\u003Csub>3\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>","3.78",14852,{"id":109,"name":110,"entrytype":9,"csystem":111,"ima_formula":112,"mindat_formula":112,"hmin":11,"hmax":11,"dmeas":11,"dcalc":113,"primary_image_id":11},47919,"Marinaite","Monoclinic","Cu\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","5.026",{"id":115,"name":116,"entrytype":9,"csystem":36,"ima_formula":117,"mindat_formula":117,"hmin":50,"hmax":11,"dmeas":11,"dcalc":118,"primary_image_id":11},55603,"Savelievaite","Mg\u003Csub>2\u003C\u002Fsub>Cr\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","3.91",{"id":120,"name":121,"entrytype":9,"csystem":36,"ima_formula":122,"mindat_formula":123,"hmin":50,"hmax":50,"dmeas":124,"dcalc":125,"primary_image_id":126},4207,"Vonsenite","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>(BO\u003Csub>3\u003C\u002Fsub>)","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>(BO\u003Csub>3\u003C\u002Fsub>)O\u003Csub>2\u003C\u002Fsub>","4.21","4.80",27609,[],[],[130],{"id":131,"txt":132,"latitude":133,"longitude":134,"country":135},3167,"Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden",59.8553767,14.2648029,"Sweden",[137,141,145,149,153,157,161],{"id":138,"year":28,"html":139,"doi":140},443854,"Dunn, Pete J., Peacor, Donald R., Simmons, William B., Newbury, Dale (1983) Fredrikssonite, a new member of the pinakiolite group, from Långban, Sweden. \u003Ci>Geologiska Föreningen i Stockholm Förhandlingar\u003C\u002Fi>,  105 (4) 335-340 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F11035898309454571'>doi:10.1080\u002F11035898309454571\u003C\u002Fa>","10.1080\u002F11035898309454571",{"id":142,"year":143,"html":144,"doi":11},17949835,1986,"Dunn, Pete J., Chao, George Y., Fitzpatrick, Joan J., Langley, Richard H., Fleischer, Michael, Zilczer, Janet A. (1986) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  71 (1-2). 227-232 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM71\u002FAM71_227.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":146,"year":147,"html":148,"doi":11},16109817,1994,"Burns, P.C., Cooper, M.A., Hawthorne, F.C. (1994) Jahn–Teller-distorted Mn3+O6 octahedra in fredrikssonite, the fourth polymorph of Mg2Mn3+(BO3)O2. The Canadian Mineralogist 32, 397-403.",{"id":150,"year":151,"html":152,"doi":11},15418311,1996,"Grew, Edward S.; Anovitz, Lawrence M. - \u003Ci>Eds.\u003C\u002Fi> (1996) Boron - Mineralogy, Petrology and Geochemistry. \u003Ci>Reviews in Mineralogy\u003C\u002Fi> Vol. 33. Mineralogical Society of America p.862",{"id":154,"year":155,"html":156,"doi":11},17635388,1998,"Cooper, M.A, Hawthorne, F.C. (1998) The crystal structure of blatterite, Sb5+3(Mn3+,Fe3+)9(Mn2+,Mg)35(BO3)16O32, and structural hierarchy in Mn3+-bearing zigzag borates. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  36 (5). 1171-1193",{"id":158,"year":159,"html":160,"doi":11},16964450,2005,"(2005) Fredrikssonite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ffredrikssonite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":162,"year":163,"html":164,"doi":165},2432339,2011,"Frost, Ray L. (2011) Raman spectroscopy of selected borate minerals of the pinakiolité group. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>, 42 (3). 540-543 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.2745'>doi:10.1002\u002Fjrs.2745\u003C\u002Fa>","10.1002\u002Fjrs.2745",[167],{"id":168,"source_url":169,"license_code":170,"credit_html":171,"title":172,"description":173,"author":174,"original_width":175,"original_height":176},9398,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=108109168","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=108109168\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fredrikssonite.png","Dark brown prismatic crystals of the very rare Mg-Mn mineral fredrikssonite from Langban (Sweden), the type and only one of two known localities worldwide. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",623,541,[178],{"id":179,"url":180,"label":181,"formula":182,"spacegroup":183,"year":147},5252,"\u002Fcif\u002F5252.cif","Burns 1994","Mg3.92 Fe.48 Mn1.56 Al.04 B2 O10","P b a m",[185,186],"Fredrikssoniet","IMA1983-040",[188,192,197,201,204],{"lang":189,"names":190},"ca",[191],"fredrikssonita",{"lang":193,"names":194},"de",[195,196],"Fredrikssonit","IMA 1983-040",{"lang":198,"names":199},"eu",[200],"Fredrikssonita",{"lang":202,"names":203},"it",[7],{"lang":205,"names":206},"zh",[207],"弗硼锰镁石","Q3752851",{"history":11,"applications":11}]