[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:28891":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":23,"key_elements":11,"impurities":11,"cim":11,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":26,"publication_year":27,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":32,"dana8ed3":32,"dana8ed4":32,"csystem":33,"cclass":34,"spacegroup":35,"spacegroupset":36,"a":37,"b":38,"c":39,"alpha":32,"beta":40,"gamma":32,"aerror":41,"berror":42,"cerror":12,"alphaerror":11,"betaerror":43,"gammaerror":11,"va3":44,"z":41,"csmetamict":13,"commentcrystal":11,"twinning":45,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":46,"hmin":47,"hmax":47,"hardtype":11,"vhnmin":32,"vhnmax":32,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":48,"dmeas2":11,"dcalc":49,"dmeaserror":41,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":50,"commentluster":11,"diapheny":51,"streak":52,"colour":53,"commentcolor":54,"colors":55,"streak_colors":59,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":60,"tenacity":61,"commentbreak":11,"opticaltype":62,"opticalsign":63,"opticalalpha":64,"opticalalpha2":32,"opticalalphaerror":41,"opticalbeta":65,"opticalbeta2":32,"opticalbetaerror":41,"opticalgamma":66,"opticalgamma2":32,"opticalgammaerror":41,"opticalomega":32,"opticalomega2":32,"opticalomegaerror":11,"opticalepsilon":32,"opticalepsilon2":32,"opticalepsilonerror":11,"opticaln":32,"opticaln2":32,"opticalnerror":11,"optical2vcalc":67,"optical2vcalc2":32,"optical2vcalcerror":11,"optical2vmeasured":68,"optical2vmeasured2":69,"optical2vmeasurederror":11,"rimin":70,"rimax":71,"opticaldispersion":72,"opticalpleochroism":73,"opticalpleochorismdesc":74,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":75,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":76,"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":41,"citations":91,"images":96,"structures":97,"synonyms":104,"language_names":108,"wikidata_qid":126,"texts":127},28891,"1:1:28891:4","d77305bd-e155-4d74-a5cd-d7c5449208dc","Armbrusterite","Abr",0,"mineral",null,17,false,"K\u003Csub>5\u003C\u002Fsub>Na\u003Csub>7\u003C\u002Fsub>Mn\u003Csub>15\u003C\u002Fsub>[(Si\u003Csub>9\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>](OH)\u003Csub>10\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>6\u003C\u002Fsub>K\u003Csub>5\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>14\u003C\u002Fsub>(Si\u003Csub>9\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>10\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21,22],"Mn","Na","Si","O","K","H",[17,18,19,20,21,22],[25],"APPROVED",2005,2007,"9","E","G","65","0","Monoclinic",5,11,"C2\u002Fm ","17.333","23.539","13.4895","115.069",2,3,9,4985.4,"None observed.","Poorly shaped split and curved crystals (≤1 mm). Also clusters (≤8 mm diameter) of spherulites (≤2 mm diameter) consisting of platy crystals.",3.5,"2.78","2.579","Vitreous","Transparent,Translucent","Light-brown","Dark reddish-brown","Transparent in thin fragments.",[56,57,58],"brown","red","yellow",[56],"Irregular\u002FUneven","brittle","Biaxial","-","1.532","1.560","1.564","41","10","20",1.532,1.564," r > v, weak.","Strong","X = light yellowish-brown; Y and Z = dark reddish-brown.","X is perpendicular to (001).","In a thin cancrinite-aegirine-microcline vein within urtite.","Geological and Mineralogical Museum of the Geological Institute of the Kola Science Centre, Russian Academy of Sciences, Apatity, Russia, number 6280 (HT).\r\nMineralogical museum of St. Petersburg State University, Russia, number 1\u002F19174 (CT).","The mineral is named in honor of Prof. Thomas Armbruster (b. 1950; University of Berne) for his outstanding contribution to structural mineralogy and crystallography, especially to the study of Mn-rich minerals.\r\n","2025-08-11 12:14:53",[],[],[],[],[85],{"id":86,"txt":87,"latitude":88,"longitude":89,"country":90},2675,"Kukisvumchorr Mt, Murmansk Oblast, Russia",67.7279665,33.6664331,"Russia",[92],{"id":93,"year":27,"html":94,"doi":95},395714,"Yakovenchuk, V. N., Krivovichev, S. V., Pakhomovsky, Y. A., Ivanyuk, G. Yu., Selivanova, E. A., Men'shikov, Y. P., Britvin, S. N. (2007) Armbrusterite, K\u003Csub>5\u003C\u002Fsub>Na\u003Csub>6\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>14\u003C\u002Fsub>[Si\u003Csub>9\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>]\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>10\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O, a new Mn hydrous heterophyllosilicate from the Khibiny alkaline massif, Kola Peninsula, Russia. \u003Ci>American Mineralogist\u003C\u002Fi>,  92 (2) 416-423 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2007.2200'>doi:10.2138\u002Fam.2007.2200\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol92\u002FAM92_416.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2007.2200",[],[98],{"id":99,"url":100,"label":101,"formula":102,"spacegroup":103,"year":27},979,"\u002Fcif\u002F979.cif","Yakovenchuk 2007","K5 Na6 Mn15 Si36 O104.02 H22.04","C 1 2\u002Fm 1",[105,106,107],"Armbrusteriet","Armbrusteritt","IMA2005-035",[109,113,118,122],{"lang":110,"names":111},"ca",[112],"armbrusterita",{"lang":114,"names":115},"de",[116,117],"Armbrusterit","IMA 2005-035",{"lang":119,"names":120},"eu",[121],"Armbrusterita",{"lang":123,"names":124},"it",[125],"armbrusterite","Q680482",{"history":11,"applications":11}]