[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:19":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":22,"key_elements":23,"impurities":24,"cim":25,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":28,"publication_year":29,"discovery_year":11,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":35,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":44,"beta":45,"gamma":44,"aerror":12,"berror":12,"cerror":12,"alphaerror":11,"betaerror":46,"gammaerror":11,"va3":11,"z":47,"csmetamict":13,"commentcrystal":11,"twinning":48,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":49,"tlform":50,"hmin":51,"hmax":51,"hardtype":11,"vhnmin":44,"vhnmax":44,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":52,"dmeas2":52,"dcalc":53,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":54,"commentluster":11,"diapheny":55,"streak":56,"colour":57,"commentcolor":11,"colors":58,"streak_colors":61,"luminescence":11,"uv":11,"cleavage":62,"cleavagetype":63,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":64,"opticalsign":65,"opticalalpha":66,"opticalalpha2":44,"opticalalphaerror":11,"opticalbeta":67,"opticalbeta2":44,"opticalbetaerror":11,"opticalgamma":68,"opticalgamma2":69,"opticalgammaerror":11,"opticalomega":44,"opticalomega2":44,"opticalomegaerror":11,"opticalepsilon":44,"opticalepsilon2":44,"opticalepsilonerror":11,"opticaln":44,"opticaln2":44,"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":77,"industrial":11,"occurrence":78,"otheroccurrence":11,"type_specimen_store":79,"description_short":80,"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":85,"confused_with":86,"type_localities":92,"occurrence_total":12,"citations":99,"images":127,"structures":138,"synonyms":145,"language_names":147,"wikidata_qid":203,"texts":204},19,"1:1:19:8","82163a15-3973-4e52-b701-d4a4d3048c98","Acuminite","Acu",0,"mineral",null,1,false,"Sr[AlF\u003Csub>4\u003C\u002Fsub>(OH)(H\u003Csub>2\u003C\u002Fsub>O)]","SrAlF\u003Csub>4\u003C\u002Fsub>(OH) · H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21],"Al","Sr","O","F","H",[17,18,19,20,21],[18],"Ca","8.4.15",[27],"APPROVED",1986,1987,"3","C","10","11","6","17","1","Monoclinic",5,10,"C2\u002Fc ","13.223","5.175","14.251","0","111.61",2,8,"on {100}, as contact twins","{110}, \u003Cmi>{_111}\u003C\u002Fmi>, rarely \u003Cmi>{_112}\u003C\u002Fmi>","Acute dipyramidal crystals, resembling spear points, to 1 mm.",3.5,"3.295","3.305","Vitreous","Transparent","white","Colourless, white, becomes yellow on exposure to x-rays",[59,56,60],"colorless","yellow",[56],"on {001}","Perfect","Biaxial","+","1.4507","1.4528","1.4624","1.4627","50","52","46","57",1.4507,1.4627,"r > v, strong"," Becomes yellow on exposure to X-rays.","Strontium-rich portion of a cryolite deposit.","University of Copenhagen, Copenhagen, Denmark.","An aluminum complex salt. Only found in two cavities in a single specimen 10.5 cm across.\r\n\r\nChemically identical and structurally similar to tikhonenkovite.\r\n\r\nStructure details (Krogh Andersen et al., 1991): SrF7(H2O)2 and  AlF4(OH)2 polyhedra link t...","From Latin \"acumen\", \"spearhead\", in allusion to the shape of its crystals.","2025-08-11 12:14:17",[],[],[],[87],{"id":88,"name":89,"entrytype":9,"csystem":37,"ima_formula":15,"mindat_formula":14,"hmin":51,"hmax":51,"dmeas":90,"dcalc":44,"primary_image_id":91},3961,"Tikhonenkovite","3.26",24198,[93],{"id":94,"txt":95,"latitude":96,"longitude":97,"country":98},1958,"Ivigtut Mine, Ivigtut stock, Arsuk Fjord, Sermersooq, Greenland",61.2061111,-48.1755556,"Greenland",[100,103,107,112,116,120,124],{"id":101,"year":29,"html":102,"doi":11},17059647,"Pauly, H., Petersen, O. V. (1987) Acuminite, a new Sr-fluoride from Ivigtut, South Greenland. \u003Ci>Neues Jahrbuch für Mineralogie - Monatshefte\u003C\u002Fi>,  1987 (11) 502-514",{"id":104,"year":105,"html":106,"doi":11},528598,1988,"Jambor, John L., Ercit, Ernst A. J. Burke T. Scott, Grice, Joel D. (1988) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  73 (11-12) 1492-1499 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM73\u002FAM73_1492.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":108,"year":109,"html":110,"doi":111},112365,1991,"Krogh Andersen, E., Ploug-Sørensen, G., Leonardsen, E. (1991) The structure of acuminite, a strontium aluminium fluoride mineral. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  194 (3-4) 221 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1991.194.3-4.221'>doi:10.1524\u002Fzkri.1991.194.3-4.221\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol194\u002FZK194_221.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1991.194.3-4.221",{"id":113,"year":114,"html":115,"doi":11},529274,1992,"Jambor, L., Vanko, David A. (1992) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  77 (3-4) 446-452 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM77\u002FAM77_446.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":117,"year":118,"html":119,"doi":11},16641619,1997,"Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. - \u003Ci>Ed.\u003C\u002Fi> (1997) \u003Ci>Handbook of Mineralogy\u003C\u002Fi> Vol. 3 - Halides, Hydroxides, Oxides. Mineral Data Publishing, Tucson, Arizona. p.1-682.",{"id":121,"year":122,"html":123,"doi":11},16719964,2005,"Petersen, Ole V.; Johnsen, Ole (2005) \u003Ci>Mineral species first described from Greenland\u003C\u002Fi> - Special Publication No. 8. The Canadian Mineralogist. p.184",{"id":125,"year":122,"html":126,"doi":11},16962543,"(2005) Acuminite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Facuminite.pdf' class='refpdflink'>\u003C\u002Fa>",[128],{"id":129,"source_url":130,"license_code":131,"credit_html":132,"title":133,"description":134,"author":135,"original_width":136,"original_height":137},156,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=99289255","CC BY-SA 4.0","Salah Rashad Zaqzoq, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=99289255\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","أكومينايت.jpg","أكومينايت هو معدن هاليد نادر له الصيغة الكيميائية: SrAlF4 (OH) · (H2O). يأتي اسمها من الكلمة اللاتينية acumen ، والتي تعني \"نقطة الرمح\". تصنيف مقياس موس هو 3.5.","Salah Rashad Zaqzoq",500,250,[139],{"id":140,"url":141,"label":142,"formula":143,"spacegroup":144,"year":109},38,"\u002Fcif\u002F38.cif","Krogh 1991","Sr Al F4 (O2 H3)","C 1 2\u002Fc 1",[146],"IMA1986-038",[148,153,157,162,166,169,173,176,180,184,188,192,195,200],{"lang":149,"names":150},"ar",[151,152],"أكومينايت","أكومينيت",{"lang":154,"names":155},"ca",[156],"acuminita",{"lang":158,"names":159},"de",[160,161],"Acuminit","IMA 1986-038",{"lang":163,"names":164},"es",[165],"Acuminita",{"lang":167,"names":168},"eu",[165],{"lang":170,"names":171},"fa",[172],"اکومینیت",{"lang":174,"names":175},"fr",[7],{"lang":177,"names":178},"it",[179],"acuminite",{"lang":181,"names":182},"lv",[183],"Akuminīts",{"lang":185,"names":186},"mk",[187],"Акуминит",{"lang":189,"names":190},"nl",[191],"Acuminiet",{"lang":193,"names":194},"pt",[165,179,146],{"lang":196,"names":197},"ta",[198,199],"SrAlF4(OH)•(H2O)","அக்குமினைட்டு",{"lang":201,"names":202},"vi",[160],"Q344688",{"history":11,"applications":11}]