[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1355":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":11,"ima_formula":15,"elements":16,"sigelements":22,"key_elements":23,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":27,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":34,"dana8ed4":35,"csystem":36,"cclass":37,"spacegroup":38,"spacegroupset":39,"a":40,"b":39,"c":39,"alpha":39,"beta":39,"gamma":39,"aerror":41,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":43,"hmin":44,"hmax":44,"hardtype":11,"vhnmin":39,"vhnmax":39,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":39,"dmeas2":39,"dcalc":45,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":46,"commentluster":47,"diapheny":48,"streak":11,"colour":49,"commentcolor":11,"colors":50,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":53,"fracturetype":54,"tenacity":11,"commentbreak":11,"opticaltype":55,"opticalsign":11,"opticalalpha":39,"opticalalpha2":39,"opticalalphaerror":11,"opticalbeta":39,"opticalbeta2":39,"opticalbetaerror":11,"opticalgamma":39,"opticalgamma2":39,"opticalgammaerror":11,"opticalomega":39,"opticalomega2":39,"opticalomegaerror":11,"opticalepsilon":39,"opticalepsilon2":39,"opticalepsilonerror":11,"opticaln":56,"opticaln2":39,"opticalnerror":41,"optical2vcalc":39,"optical2vcalc2":39,"optical2vcalcerror":11,"optical2vmeasured":39,"optical2vmeasured2":39,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"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":57,"other":58,"industrial":11,"occurrence":59,"otheroccurrence":11,"type_specimen_store":60,"description_short":61,"aboutname":62,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":63,"reviewed_at":11,"variety_of":11,"varieties":64,"group_members":65,"associates":96,"confused_with":97,"type_localities":98,"occurrence_total":103,"citations":104,"images":126,"structures":127,"synonyms":128,"language_names":133,"wikidata_qid":164,"texts":165},1355,"1:1:1355:6","b141cc99-1789-4c3f-93cf-09bd772d4902","Efremovite","Efr",0,"mineral",null,40443,134,false,"(NH\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>Mg\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>",[17,18,19,20,21],"Mg","N","O","S","H",[17,18,19,20,21],[18],"25.3.16",[26],"APPROVED",1989,"1989","7","A","C","10","28","4","3","Isometric",28,198,"0","9.99",1,4,"Equant grains, 0.01-0.015 mm, in gray to white aggregates.",2,"2.52","Vitreous,Dull","Aggregates dull, presumably vitreous as grains","Opaque","Gray, white",[51,52],"gray","white","None Observed","Irregular\u002FUneven","Isotropic","1.550","Endothermic effect at 430-495°C, with weight loss of 35.8%.","Soluble in water.\r\n\r\nIn air at ordinary temperatures, the mineral is hydrated to boussingaultite over the course of several days.","From a fumarole at burning dumps at coal mine shafts","Fersman Mineralogical Museum, Academy of Sciences, Moscow.","Mg analogue of ferroefremovite.\r\n\r\nA hygroscopic ammonium magnesium sulphate that hydrates to boussingaultite at room temperature.\r\n\r\nCompare also Unnamed (NH4-Mg Sulphate Hydrate).","Named in honour of Dr. Ivan Antonovich Yefremov (Ива́н Анто́нович (Анти́пович) Ефре́мов) (22 April 1908, Vyritsa, St. Petersburg, Russian Empire – 5 October 1972, Leningrad, USSR), paleontologist and geologist at the Paleontological Institute, Moscow.  He was also a science fiction writer.","2025-08-11 12:14:19",[],[66,75,81,88],{"id":67,"name":68,"entrytype":9,"csystem":36,"ima_formula":69,"mindat_formula":70,"hmin":71,"hmax":72,"dmeas":73,"dcalc":74,"primary_image_id":11},42383,"Calciolangbeinite","K\u003Csub>2\u003C\u002Fsub>Ca\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","K\u003Csub>2\u003C\u002Fsub>Ca\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub> ",3,3.5,"2.68","2.74",{"id":76,"name":77,"entrytype":9,"csystem":36,"ima_formula":78,"mindat_formula":78,"hmin":44,"hmax":44,"dmeas":79,"dcalc":80,"primary_image_id":11},53673,"Ferroefremovite","(NH\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","2.69","2.700",{"id":82,"name":83,"entrytype":9,"csystem":36,"ima_formula":84,"mindat_formula":84,"hmin":72,"hmax":42,"dmeas":85,"dcalc":86,"primary_image_id":87},2320,"Langbeinite","K\u003Csub>2\u003C\u002Fsub>Mg\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","2.83","2.77",30059,{"id":89,"name":90,"entrytype":9,"csystem":36,"ima_formula":91,"mindat_formula":92,"hmin":93,"hmax":71,"dmeas":94,"dcalc":39,"primary_image_id":95},2485,"Manganolangbeinite","K\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>","K\u003Csub>2\u003C\u002Fsub>Mn\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>",2.5,"3.02",15332,[],[],[99],{"id":100,"txt":101,"latitude":11,"longitude":11,"country":102},21880,"Coal mine No. 43, Kopeysk, Chelyabinsk Oblast, Russia","Russia",12,[105,108,112,116,121],{"id":106,"year":27,"html":107,"doi":11},16108213,"Shcherbakova, Y.P., Bazhenova, L.F. (1989) Efremovite (NH4)2Mg2(SO4)3—ammonium analogue of langbeinite—a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 118(3): 84-87.",{"id":109,"year":110,"html":111,"doi":11},529031,1991,"Jambor, John L., Grew, Edward S. (1991) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  76 (1-2) 299-305 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM76\u002FAM76_299.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":113,"year":114,"html":115,"doi":11},16964081,2005,"(2005) Efremovite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fefremovite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":117,"year":118,"html":119,"doi":120},2440346,2018,"Košek, F., Culka, A., Jehlička, J. (2018) Raman spectroscopic study of six synthetic anhydrous sulfates relevant to the mineralogy of fumaroles. \u003Ci>Journal of Raman Spectroscopy\u003C\u002Fi>, 49 (7). 1205-1216 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fjrs.5363'>doi:10.1002\u002Fjrs.5363\u003C\u002Fa>","10.1002\u002Fjrs.5363",{"id":122,"year":123,"html":124,"doi":125},17656116,2024,"Zhitova, Elena S., Sheveleva, Rezeda M., Zolotarev, Andrey A., Shendrik, Roman Yu., Pankrushina, Elizaveta A., Turovsky, Konstantin A., Avdontceva, Margarita S., Krzhizhanovskaya, Maria G., Vlasenko, Natalia S., Zolotarev, Anatoly A., et al. (2024) The Crystal Chemistry of Boussingaultite, (NH4)2Mg(SO4)2·6H2O, and Its Derivatives in a Wide Temperature Range. \u003Ci>Minerals\u003C\u002Fi>,  14 (10).  \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin14101052'>doi:10.3390\u002Fmin14101052\u003C\u002Fa>","10.3390\u002Fmin14101052",[],[],[129,130,131,132],"Efremoviet","Efremovite (of Shcherbakova and Bazhenova)","Efremowit","IMA1987-033a",[134,138,143,147,150,153,156,160],{"lang":135,"names":136},"ca",[137],"efremovita",{"lang":139,"names":140},"de",[141,142],"Efremovit","IMA 1987-033a",{"lang":144,"names":145},"eu",[146],"Efremovita",{"lang":148,"names":149},"fr",[7],{"lang":151,"names":152},"it",[7],{"lang":154,"names":155},"pt",[146,132],{"lang":157,"names":158},"ta",[159],"எப்ரிமோவைட்டு",{"lang":161,"names":162},"zh",[163],"铵镁矾","Q3720264",{"history":11,"applications":11}]