[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:39635":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":16,"ima_formula":15,"elements":17,"sigelements":23,"key_elements":24,"impurities":11,"cim":11,"ima_status":25,"ima_notes":27,"ima_history":29,"approval_year":30,"publication_year":31,"discovery_year":32,"strunz10ed1":33,"strunz10ed2":34,"strunz10ed3":35,"strunz10ed4":36,"dana8ed1":37,"dana8ed2":38,"dana8ed3":33,"dana8ed4":39,"csystem":40,"cclass":41,"spacegroup":42,"spacegroupset":43,"a":44,"b":45,"c":46,"alpha":11,"beta":47,"gamma":11,"aerror":48,"berror":49,"cerror":50,"alphaerror":11,"betaerror":50,"gammaerror":11,"va3":11,"z":51,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":52,"epitaxidescription":11,"morphology":53,"tlform":54,"hmin":55,"hmax":55,"hardtype":50,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":11,"dmeas2":11,"dcalc":56,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":57,"commentluster":11,"diapheny":11,"streak":58,"colour":59,"commentcolor":11,"colors":60,"streak_colors":64,"luminescence":11,"uv":65,"cleavage":66,"cleavagetype":67,"fracturetype":68,"tenacity":11,"commentbreak":11,"opticaltype":69,"opticalsign":70,"opticalalpha":71,"opticalalpha2":11,"opticalalphaerror":13,"opticalbeta":72,"opticalbeta2":11,"opticalbetaerror":13,"opticalgamma":73,"opticalgamma2":11,"opticalgammaerror":13,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":74,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":75,"optical2vmeasured2":11,"optical2vmeasurederror":50,"rimin":13,"rimax":76,"opticaldispersion":11,"opticalpleochroism":77,"opticalpleochorismdesc":78,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":79,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":80,"otheroccurrence":11,"type_specimen_store":81,"description_short":11,"aboutname":82,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":83,"reviewed_at":11,"variety_of":11,"varieties":84,"group_members":85,"associates":99,"confused_with":100,"type_localities":101,"occurrence_total":51,"citations":108,"images":125,"structures":126,"synonyms":127,"language_names":131,"wikidata_qid":149,"texts":150},39635,"1:1:39635:6","5bf8c6dd-08ad-42f4-858e-55aa6e8b44db","Ferro-ferri-obertiite","Ffob",0,"mineral",null,46446,1,false,"NaNa\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>Ti)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>","Ferro-ferri-obertiite is a obertiite root name amphibole in the \u003Csup>W\u003C\u002Fsup>O\u003Csup>2-\u003C\u002Fsup> dominant amphibole group with Fe\u003Csup>2+\u003C\u002Fsup> as the dominant element in the C\u003Csup>2+\u003C\u002Fsup> position and Fe\u003Csup>3+\u003C\u002Fsup> as the dominant element in the C\u003Csup>3+\u003C\u002Fsup> position.",[18,19,20,21,22],"Fe","Na","Si","Ti","O",[18,19,20,21,22],[21],[26],"APPROVED",[28],"REDEFINED","Redefined IMA 2012 s.p.",2009,2010,"1998","9","D","E","25","66","4","3","Monoclinic",5,11,"C2\u002Fm ","9.845","18.018","5.296","103.86",4,8,3,2,"Brittle","Grains are euhedral to subhedral, prismatic to acicular on [001] and are bounded by {110} cleavage faces.","Occurs as euhedral to subhedral prismatic to acicular crystals up to 1.25 mm across in a matrix of aegirine and feldspar.",6,"3.330","Vitreous","Grey","Black",[61,62,63],"black","gray","brown",[62],"None","Perfect {110} cleavage of monoclinic amphiboles, intersecting at ~56°.","Perfect","Splintery","Biaxial","-","1.671","1","1.675","59.9","60",1.675,"Visible","X = dark brown; Y = brown; Z = dark grey.","X ∧ a = 77.3° (in β acute); Y = b; Z ∧ c = 91.2° (in β obtuse).","Occurs in an alkali diatreme that penetrates a lithic-wacke sandstone sequence of the Franciscan assemblage.","Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Canada, specimen number M54035.","This mineral (IMA 2009-034) was originally named ferro-obertiite (Hawthorne et al. 2010). It was redefined in the 2012 amphibole nomenclature, and is now named ferro-ferri-obertiite.  The root name is for Roberta Oberti, professor at the University of Pavia, Italy, and an expert on the crystal chemistry of amphiboles.","2025-08-11 12:15:05",[],[86,92],{"id":87,"name":88,"entrytype":9,"csystem":40,"ima_formula":89,"mindat_formula":90,"hmin":11,"hmax":11,"dmeas":11,"dcalc":91,"primary_image_id":11},46414,"Ferri-obertiite","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>Ti)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>Ti)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub> ","3.145",{"id":93,"name":94,"entrytype":9,"csystem":40,"ima_formula":95,"mindat_formula":95,"hmin":41,"hmax":41,"dmeas":96,"dcalc":97,"primary_image_id":98},27572,"Mangani-obertiite","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>3\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>Ti\u003Csup>4+\u003C\u002Fsup>)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>","0","3.16",8540,[],[],[102],{"id":103,"txt":104,"latitude":105,"longitude":106,"country":107},3460,"Coyote Peak, Humboldt County, California, USA",41.1333333,-123.8588889,"USA",[109,112,116,120],{"id":110,"year":11,"html":111,"doi":11},16020214,"IMA Approvals - August 2009",{"id":113,"year":114,"html":115,"doi":11},16100336,1998,"Hawthorne, Frank C., Oberti, R., Zanetti, A., Czamanske, G. K. (1998) The role of Ti in hydrogen-deficient amphiboles: sodic-calcic and sodic amphiboles from Coyote Peak, California. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  36 (5). 1253-1265",{"id":117,"year":31,"html":118,"doi":119},64753,"Hawthorne, F. C., Ball, N. A., Czamanske, G. K. (2010) Ferro-obertiite, NaNa\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>Ti)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>, a new mineral species of the amphibole group from Coyote Peak, Humboldt County, California. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  48 (2) 301-306 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.48.2.301'>doi:10.3749\u002Fcanmin.48.2.301\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM48_301.pdf' class='refpdflink'>\u003C\u002Fa>","10.3749\u002Fcanmin.48.2.301",{"id":121,"year":122,"html":123,"doi":124},396910,2012,"Hawthorne, F. C., Oberti, R., Harlow, G. E., Maresch, W. V., Martin, R. F., Schumacher, J. C., Welch, M. D. (2012) Nomenclature of the amphibole supergroup. \u003Ci>American Mineralogist\u003C\u002Fi>,  97 (11) 2031-2048 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2012.4276'>doi:10.2138\u002Fam.2012.4276\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FAM97_2031.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2012.4276",[],[],[128,129,130],"Ferro-ferri-obertiiet","Ferro-obertiite (of Hawthorne et al. 2010)","IMA2009-034",[132,136,141,145],{"lang":133,"names":134},"ca",[135],"ferroferriobertiïta",{"lang":137,"names":138},"de",[139,140],"Ferro-Ferri-Obertiit","IMA 2009-034",{"lang":142,"names":143},"eu",[144],"Ferro-ferri-obertiita",{"lang":146,"names":147},"it",[148],"ferro-ferri-obertiite","Q19601089",{"history":11,"applications":11}]