[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:43379":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":17,"elements":18,"sigelements":25,"key_elements":11,"impurities":11,"cim":11,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":28,"publication_year":29,"discovery_year":11,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":11,"dana8ed2":11,"dana8ed3":11,"dana8ed4":11,"csystem":34,"cclass":35,"spacegroup":13,"spacegroupset":36,"a":37,"b":38,"c":39,"alpha":11,"beta":40,"gamma":11,"aerror":41,"berror":35,"cerror":42,"alphaerror":11,"betaerror":41,"gammaerror":11,"va3":11,"z":11,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":43,"tlform":44,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":45,"dmeas2":45,"dcalc":46,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":47,"commentluster":11,"diapheny":48,"streak":11,"colour":49,"commentcolor":11,"colors":50,"streak_colors":11,"luminescence":11,"uv":55,"cleavage":56,"cleavagetype":57,"fracturetype":11,"tenacity":58,"commentbreak":11,"opticaltype":59,"opticalsign":60,"opticalalpha":61,"opticalalpha2":11,"opticalalphaerror":11,"opticalbeta":62,"opticalbeta2":11,"opticalbetaerror":11,"opticalgamma":63,"opticalgamma2":11,"opticalgammaerror":11,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":64,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":65,"optical2vmeasured2":11,"optical2vmeasurederror":11,"rimin":66,"rimax":67,"opticaldispersion":11,"opticalpleochroism":68,"opticalpleochorismdesc":69,"opticalbirefringence":11,"opticalcomments":70,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":71,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":72,"occurrence":11,"otheroccurrence":11,"type_specimen_store":73,"description_short":74,"aboutname":75,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":76,"reviewed_at":11,"variety_of":11,"varieties":77,"group_members":78,"associates":106,"confused_with":107,"type_localities":108,"occurrence_total":115,"citations":116,"images":138,"structures":139,"synonyms":140,"language_names":144,"wikidata_qid":170,"texts":171},43379,"1:1:43379:0","ef73a794-af04-4832-be0b-98a5af0f0893","Ferro-ferri-hornblende","Ffhbl",0,"mineral",null,8789,11,false,"◻Ca\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)(AlSi\u003Csub>7\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>","Defined as a an amphibole in the magnesiohornblende group of the Calcium subgroup with Fe\u003Csup>2+\u003C\u002Fsup>Mg and Fe\u003Csup>3+\u003C\u002Fsup>Al in the C position and with (OH) as the dominant anion in the W position","◻Ca\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)(Si\u003Csub>7\u003C\u002Fsub>Al)O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",[19,20,21,22,23,24],"Al","Ca","Fe","Si","O","H",[19,20,21,22,23,24],[27],"APPROVED",2015,2016,"9","D","E","10","Monoclinic",5,"C2\u002Fm ","9.9307","18.223","5.3190","104.857",1,3,"As acicular or lamellar crystals.","Aggregates of crystals embedded in a matrix of fibrous to acicular tremolite with minor quartz and calcite. A significant inter-crystalline variation in the hastingsite component is observed, with some crystals falling in the compositional field of hastingsite and even of magnesio-hastingsite.","3.362","3.35","Vitreous","Transparent","Dark greenish",[51,52,53,54],"green","brown","black","gray","Not fluorescent.","on {110}","Perfect","brittle","Biaxial","-","1.697","1.722","1.726","43.1","35.7",1.697,1.726,"Visible","X = medium gold\u002Fbrown; Y = dark brown\u002Fblack; Z = dark grey.","Absorption: Y > Z > X.","X ∧ a = 26.2° (β obtuse); Y = b ; Z ∧ c = 11.5° (β acute).","None","Museo di Mineralogia, Dipartimento di Scienze della Terra e dell’Ambiente, Università di Pavia, catalogue number 2015-01 (type).\r\nMuseo Regionale di Scienze Naturali di Torino (type).","The mineral was originally described by  Luigi Colomba in 1914 as \"speziaite\", a name never approved by IMA, and discredited by Leake (1978) as a variety of hornblende. As the type material exhibit intergrowths of ferro-ferri-hornblende and hastingsite...","Named in 1789 by Abraham Gottlieb Werner from an old German term for dark minerals with no ore value and from \"blende\", meaning to deceive. The prefix ferro-ferri is in alignment with the guidelines in the latest amphibole nomenclature (Hawthorne \u003Cem>et al.\u003C\u002Fem> 2012)","2025-08-11 12:15:10",[],[79,87,93,100],{"id":80,"name":81,"entrytype":9,"csystem":34,"ima_formula":82,"mindat_formula":82,"hmin":35,"hmax":83,"dmeas":84,"dcalc":85,"primary_image_id":86},1519,"Ferro-hornblende","◻Ca\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>Al)(Si\u003Csub>7\u003C\u002Fsub>Al)O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",6,"3.12","0",8734,{"id":88,"name":89,"entrytype":9,"csystem":34,"ima_formula":90,"mindat_formula":91,"hmin":11,"hmax":11,"dmeas":11,"dcalc":92,"primary_image_id":11},43393,"Magnesio-ferri-fluoro-hornblende","◻Ca\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)(Si\u003Csub>7\u003C\u002Fsub>Al)O\u003Csub>22\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","◻Ca\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)(AlSi\u003Csub>7\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)F\u003Csub>2\u003C\u002Fsub>","3.315",{"id":94,"name":95,"entrytype":9,"csystem":34,"ima_formula":96,"mindat_formula":97,"hmin":35,"hmax":11,"dmeas":98,"dcalc":99,"primary_image_id":11},43378,"Magnesio-ferri-hornblende","Ca\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)[(Si\u003Csub>7\u003C\u002Fsub>Al)O\u003Csub>22\u003C\u002Fsub>](OH)\u003Csub>2\u003C\u002Fsub>","◻Ca\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>)[(Si\u003Csub>7\u003C\u002Fsub>Al)O\u003Csub>22\u003C\u002Fsub>](OH)\u003Csub>2\u003C\u002Fsub>","3.275","3.204",{"id":101,"name":102,"entrytype":9,"csystem":34,"ima_formula":103,"mindat_formula":103,"hmin":35,"hmax":83,"dmeas":85,"dcalc":104,"primary_image_id":105},2524,"Magnesio-hornblende","◻Ca\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>4\u003C\u002Fsub>Al)(Si\u003Csub>7\u003C\u002Fsub>Al)O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>"," 3.137",15021,[],[],[109],{"id":110,"txt":111,"latitude":112,"longitude":113,"country":114},2105,"Traversella Mine, Traversella, Metropolitan City of Turin, Piedmont, Italy",45.5130417,7.7572278,"Italy",4,[117,121,126,130,134],{"id":118,"year":119,"html":120,"doi":11},16139291,1914,"Colomba, L. (1914) Speziaite, nuovo anfibolo di Traversella, Atti della R. Accad. delle scienze di 226 Torino, XLIX, 625-634.",{"id":122,"year":123,"html":124,"doi":125},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",{"id":127,"year":28,"html":128,"doi":129},244697,"Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter No 27. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  79 (5). 1223-1230 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2015.079.5.16'>doi:10.1180\u002Fminmag.2015.079.5.16\u003C\u002Fa>","10.1180\u002Fminmag.2015.079.5.16",{"id":131,"year":29,"html":132,"doi":133},244842,"Oberti, Roberta, Boiocchi, Massimo, Hawthorne, Frank C., Ball, Neil A., Cámara, Fernando, Pagano, Renato, Pagano, Adriana (2016) Ferro-ferri-hornblende from the Traversella mine (Ivrea, Italy): occurrence, mineral description and crystal-chemistry. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  80 (7) 1233-1242 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2016.080.060'>doi:10.1180\u002Fminmag.2016.080.060\u003C\u002Fa>","10.1180\u002Fminmag.2016.080.060",{"id":135,"year":136,"html":137,"doi":11},16964270,2017,"(2017) Ferro-ferri-hornblende. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fferro-ferri-hornblende.pdf' class='refpdflink'>\u003C\u002Fa>",[],[],[141,142,143],"Ferro-ferri-hoornblende","IMA2015-054","Kirwanite",[145,149,154,157,162,166],{"lang":146,"names":147},"ca",[148],"ferroferrihornblenda",{"lang":150,"names":151},"de",[152,153],"Ferro-Ferri-Hornblende","IMA 2015-054",{"lang":155,"names":156},"eu",[7],{"lang":158,"names":159},"it",[160,161],"ferro-ferri-hornblende","Ferro-ferri-orneblenda",{"lang":163,"names":164},"mk",[165],"Феро-фери-хорнблендот",{"lang":167,"names":168},"ta",[142,169],"பெர்ரோ-பெர்ரி-ஆர்ன்பிளெண்டு","Q17394623",{"history":11,"applications":11}]