[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1519":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":4,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":15,"ima_formula":14,"elements":16,"sigelements":23,"key_elements":11,"impurities":24,"cim":25,"ima_status":26,"ima_notes":28,"ima_history":30,"approval_year":11,"publication_year":11,"discovery_year":31,"strunz10ed1":32,"strunz10ed2":33,"strunz10ed3":34,"strunz10ed4":35,"dana8ed1":36,"dana8ed2":36,"dana8ed3":36,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":36,"beta":44,"gamma":36,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":45,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":38,"hmax":46,"hardtype":11,"vhnmin":36,"vhnmax":36,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":47,"dmeas2":48,"dcalc":36,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":49,"lustretype":49,"commentluster":11,"diapheny":11,"streak":50,"colour":51,"commentcolor":11,"colors":52,"streak_colors":57,"luminescence":59,"uv":11,"cleavage":60,"cleavagetype":61,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":62,"opticalsign":63,"opticalalpha":64,"opticalalpha2":65,"opticalalphaerror":11,"opticalbeta":66,"opticalbeta2":67,"opticalbetaerror":11,"opticalgamma":68,"opticalgamma2":69,"opticalgammaerror":11,"opticalomega":36,"opticalomega2":36,"opticalomegaerror":11,"opticalepsilon":36,"opticalepsilon2":36,"opticalepsilonerror":11,"opticaln":36,"opticaln2":36,"opticalnerror":11,"optical2vcalc":70,"optical2vcalc2":71,"optical2vcalcerror":11,"optical2vmeasured":72,"optical2vmeasured2":73,"optical2vmeasurederror":11,"rimin":74,"rimax":75,"opticaldispersion":76,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":11,"description_short":77,"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":108,"confused_with":109,"type_localities":110,"occurrence_total":111,"citations":112,"images":143,"structures":164,"synonyms":172,"language_names":177,"wikidata_qid":199,"texts":200},1519,"1:1:1519:2","fe54163b-6f31-4ef1-89f1-452c95ead4b9","Ferro-hornblende","Fhbl",0,"mineral",null,8789,false,"◻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>","Defined as an amphibole in the magnesio-hornblende group of the Calcium subgroup with Fe\u003Csup>2+\u003C\u002Fsup>>Mg and Al>Fe\u003Csup>3+\u003C\u002Fsup> in the C position and (OH) as the dominant ion in the W position.",[17,18,19,20,21,22],"Al","Ca","Fe","Si","O","H",[17,18,19,20,21,22],"Ti,Mn,Na,K","16.23.5",[27],"APPROVED",[29],"REDEFINED","Redefined IMA 2012 s.p.","1978","9","D","E","10","0","Monoclinic",5,11,"C2\u002Fm ","9.96","18.19","5.32","104.87",2,6,"3.12","3.30","Vitreous","Pale grey-green, grey-white","Dark green to black, greenish-brown, more rarely lighter green",[53,54,55,56],"green","black","brown","gray",[56,53,58],"white","Nonfluorescent","on {110}","Perfect","Biaxial","-","1.687","1.694","1.7","1.707","1.701","1.712","30","62","12","76",1.687,1.712,"r > v or r \u003C v","Forms a series with magnesio-hornblende.","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 in allusion to it occurring in ore deposits but not yielding any metal and for ferro- indicating Fe\u003Csup>2+\u003C\u002Fsup> as a dominant cation.","2025-08-11 12:14:20",[],[82,89,95,102],{"id":83,"name":84,"entrytype":9,"csystem":37,"ima_formula":85,"mindat_formula":86,"hmin":11,"hmax":11,"dmeas":87,"dcalc":88,"primary_image_id":11},43379,"Ferro-ferri-hornblende","◻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>","◻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>","3.362","3.35",{"id":90,"name":91,"entrytype":9,"csystem":37,"ima_formula":92,"mindat_formula":93,"hmin":11,"hmax":11,"dmeas":11,"dcalc":94,"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":96,"name":97,"entrytype":9,"csystem":37,"ima_formula":98,"mindat_formula":99,"hmin":38,"hmax":11,"dmeas":100,"dcalc":101,"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":103,"name":104,"entrytype":9,"csystem":37,"ima_formula":105,"mindat_formula":105,"hmin":38,"hmax":46,"dmeas":36,"dcalc":106,"primary_image_id":107},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,[],[],[],251,[113,117,121,125,129,133,138],{"id":114,"year":115,"html":116,"doi":11},16109263,1930,"Barnes, V.E. (1930) Changes in hornblende at about 800°. American Mineralogist: 15: 393-417.",{"id":118,"year":119,"html":120,"doi":11},16109264,1973,"Robinson, K., Gibbs, G.V., Ribbe, P.H., Hall, M.R. (1973) Cation distribution in three hornblendes. American Journal of Science: 273A: 522-535.",{"id":122,"year":123,"html":124,"doi":11},16109265,1981,"Spear, F.S. (1981) An experimental study of hornblende stability and compositional variability in amphibolite. American Journal of Science: 281: 697-734.",{"id":126,"year":127,"html":128,"doi":11},12909050,1998,"Mandarino, Joseph A. (1998) The Second List of Additions and Corrections to the Glossary of Mineral Species (1995) - The Amphibole Group. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 29 (3) 169-174",{"id":130,"year":131,"html":132,"doi":11},16964293,2001,"(2001) Ferro-hornblende. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fferrohornblende.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":134,"year":135,"html":136,"doi":137},64226,2006,"Hawthorne, F. C., Oberti, R. (2006) On the classification of amphiboles. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  44 (1) 1-21 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.44.1.1'>doi:10.2113\u002Fgscanmin.44.1.1\u003C\u002Fa>","10.2113\u002Fgscanmin.44.1.1",{"id":139,"year":140,"html":141,"doi":142},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",[144,154],{"id":145,"source_url":146,"license_code":147,"credit_html":148,"title":149,"description":150,"author":151,"original_width":152,"original_height":153},8734,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10443366","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10443366\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ferrohornblende-4aa53a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHornblende\" class=\"extiw\" title=\"en:Hornblende\">Ferrohornblende\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: near Bilin, Bohemia, Czech Republic\u003C\u002Fdd>\n\u003Cdd>Size: thumbnail, 1.3 x 1.7 x 1.5 cm\n\u003Cdl>\u003Cdt>Ferrohornblende\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Just a nice sharp, stereotypical reference specimen\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",360,351,{"id":155,"source_url":156,"license_code":157,"credit_html":158,"title":159,"description":160,"author":161,"original_width":162,"original_height":163},2692,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163485257","CC0 1.0","Shannon Heinle, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163485257\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Barkevikite (GeoDIL number - 1782).jpg","Barkevikite is also known as ferrohornblende. It is an amphibole with the chemical formula of Ca2Fe4AlSi8O22(OH)2. It is a fairly common mineral. This sample is approximately 9 cm.","Shannon Heinle",2476,1842,[165],{"id":166,"url":167,"label":168,"formula":169,"spacegroup":170,"year":171},4546,"\u002Fcif\u002F4546.cif","Guha 1987","Na Ca2 Fe5 Si8 O24 H2","C 1 2\u002Fm 1",1987,[173,174,175,176],"Alumino-ferro-hornblende","Ferro-actinolitic-hornblende","Ferro-hoornblende","Istisuite",[178,182,186,189,195],{"lang":179,"names":180},"ca",[181],"ferrohornblenda",{"lang":183,"names":184},"de",[185],"Ferro-Hornblende",{"lang":187,"names":188},"eu",[7],{"lang":190,"names":191},"it",[192,193,194],"ferro-orneblenda","Ferrohornblende","Ferroornblenda",{"lang":196,"names":197},"sr",[198],"ферохорнбленда","Q3743260",{"history":11,"applications":11}]