[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3754":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":23,"key_elements":24,"impurities":25,"cim":26,"ima_status":27,"ima_notes":11,"ima_history":11,"approval_year":29,"publication_year":11,"discovery_year":30,"strunz10ed1":31,"strunz10ed2":32,"strunz10ed3":33,"strunz10ed4":34,"dana8ed1":35,"dana8ed2":36,"dana8ed3":36,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":42,"beta":42,"gamma":42,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":11,"csmetamict":14,"commentcrystal":11,"twinning":44,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":45,"tlform":46,"hmin":47,"hmax":47,"hardtype":11,"vhnmin":42,"vhnmax":42,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":48,"dmeas2":48,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":50,"lustre":11,"lustretype":51,"commentluster":11,"diapheny":52,"streak":11,"colour":53,"commentcolor":11,"colors":54,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":58,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":59,"opticalsign":60,"opticalalpha":42,"opticalalpha2":42,"opticalalphaerror":11,"opticalbeta":42,"opticalbeta2":42,"opticalbetaerror":11,"opticalgamma":42,"opticalgamma2":42,"opticalgammaerror":11,"opticalomega":61,"opticalomega2":42,"opticalomegaerror":11,"opticalepsilon":62,"opticalepsilon2":42,"opticalepsilonerror":11,"opticaln":42,"opticaln2":42,"opticalnerror":11,"optical2vcalc":42,"optical2vcalc2":42,"optical2vcalcerror":11,"optical2vmeasured":42,"optical2vmeasured2":42,"optical2vmeasurederror":11,"rimin":63,"rimax":64,"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":11,"other":65,"industrial":11,"occurrence":66,"otheroccurrence":11,"type_specimen_store":67,"description_short":11,"aboutname":68,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":69,"reviewed_at":11,"variety_of":11,"varieties":70,"group_members":71,"associates":95,"confused_with":105,"type_localities":106,"occurrence_total":113,"citations":114,"images":135,"structures":146,"synonyms":154,"language_names":157,"wikidata_qid":189,"texts":190},3754,"1:1:3754:5","e30a4d1b-af89-47ed-be55-4dc4d1a94991","Steacyite","Scy",0,"mineral",null,34954,1245,false,"K\u003Csub>0.3\u003C\u002Fsub>(Na,Ca)\u003Csub>2\u003C\u002Fsub>ThSi\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>",[17,18,19,20,21,22],"Ca","Na","Si","Th","O","K",[18,19,20,21,22],[20],"As,Mn,Pb,F,P","14.16.15",[28],"APPROVED",1981,"1981","9","C","H","10","63","1","Tetragonal",27,180,"P4\u002Fmcc ","7.58","0","14.76","Cruciform, by 90° rotation about [010].","Prismatic habit, elongated along [001] and showing the forms {100} and {001} which may occasionally also display the form {110}, is the most common. A more rare habit is a dipyramidal habit showing {100}, {001) and {101}.","Elongated crystals to 2 mm.",5,"2.95","3.32","Measured on porous material.","Vitreous,Greasy,Dull","Translucent,Opaque","Gray, dark brown, green, beige",[55,56,57],"gray","brown","green","None Observed","Uniaxial","-","1.573","1.572",1.572,1.573,"Radioactive. Emits α and β particles, but not γ radiation.","In pegmatite veins in nepheline syenite.","Ecole Polytechnique, Montreal, Quebec, Canada, number 12480.\r\nCanadian Geological Survey, Ottawa, Ontario, Canada, number 61529.\r\nCanadian Museum of Nature, Ottawa, Canada.\r\nNational Museum of Natural History, Washington, D.C., USA, number 149820.\r\nThe Natural History Museum, London, England, number 1970,168.","Named in 1982 by Guy Perrault and Jan T. Szymaňski in honor of Harold Robert Steacy [June 7, 1923 Ottawa, Ontario, Canada - April 7, 2012 Ottawa, Ontario, Canada], mineralogist, former Curator of the National Mineral Collection, Geological Survey of Canada, for his contributions to Canadian mineralogy.","2026-05-17 08:04:48",[],[72,80,88],{"id":73,"name":74,"entrytype":9,"csystem":37,"ima_formula":75,"mindat_formula":76,"hmin":77,"hmax":78,"dmeas":79,"dcalc":42,"primary_image_id":11},27530,"Arapovite","(K\u003Csub>1-x\u003C\u002Fsub>◻\u003Csub>x\u003C\u002Fsub>)(Ca,Na)\u003Csub>2\u003C\u002Fsub>U\u003Csup>4+\u003C\u002Fsup>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub> [x ≈ 0.5]","(K\u003Csub>1-x\u003C\u002Fsub>◻\u003Csub>x\u003C\u002Fsub>)(Ca,Na)\u003Csub>2\u003C\u002Fsub>U\u003Csup>4+\u003C\u002Fsup>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub> (x ~ 0.5)",5.5,6,"3.43",{"id":81,"name":82,"entrytype":9,"csystem":37,"ima_formula":83,"mindat_formula":83,"hmin":84,"hmax":84,"dmeas":85,"dcalc":86,"primary_image_id":87},2041,"Iraqite-(La)","KCa\u003Csub>2\u003C\u002Fsub>(La,Ce,Th)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>",4.5,"3.27","3.28",12298,{"id":89,"name":90,"entrytype":9,"csystem":37,"ima_formula":91,"mindat_formula":92,"hmin":77,"hmax":78,"dmeas":93,"dcalc":94,"primary_image_id":11},7345,"Turkestanite","(K,◻)(Ca,Na)\u003Csub>2\u003C\u002Fsub>ThSi\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O","(K,◻)(Ca,Na)\u003Csub>2\u003C\u002Fsub>ThSi\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>·nH\u003Csub>2\u003C\u002Fsub>O","3.36","3.39",[96],{"id":97,"name":98,"entrytype":9,"csystem":99,"ima_formula":100,"mindat_formula":101,"hmin":47,"hmax":78,"dmeas":102,"dcalc":103,"primary_image_id":104},972,"Charoite","Monoclinic","(K,Sr,Ba,Mn)\u003Csub>15-16\u003C\u002Fsub>(Ca,Na)\u003Csub>32\u003C\u002Fsub>[Si\u003Csub>70\u003C\u002Fsub>(O,OH)\u003Csub>180\u003C\u002Fsub>](OH,F)\u003Csub>4\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O","(K,Sr)\u003Csub>15-16\u003C\u002Fsub>(Ca,Na)\u003Csub>32\u003C\u002Fsub>[Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>11\u003C\u002Fsub>(O,OH)\u003Csub>6\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>[Si\u003Csub>12\u003C\u002Fsub>O\u003Csub>18\u003C\u002Fsub>(O,OH)\u003Csub>12\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>[Si\u003Csub>17\u003C\u002Fsub>O\u003Csub>25\u003C\u002Fsub>(O,OH)\u003Csub>18\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>(OH,F)\u003Csub>4\u003C\u002Fsub>·~3H\u003Csub>2\u003C\u002Fsub>O","2.54","2.77",5308,[],[107],{"id":108,"txt":109,"latitude":110,"longitude":111,"country":112},599,"Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada",45.5627778,-73.1416667,"Canada",9,[115,119,123,126,130],{"id":116,"year":117,"html":118,"doi":11},16108245,1973,"Chromy, B. (1973) The wee crystals. Earth Science: 1973: 227-278. [see http:\u002F\u002Fwww.mindat.org\u002Fmesg-6-367561.html]",{"id":120,"year":121,"html":122,"doi":11},16997076,1982,"Szymański, J. T., Owens, D. R., Roberts, A. C., Ansell, H. G., Chao, G. Y. (1982) A mineralogical study and crystal structure determination of nonmetamict ekanite ThCa\u003Csub>2\u003C\u002Fsub>Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>20\u003C\u002Fsub>. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  20 (1) 65-75 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM20_65.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":124,"year":121,"html":125,"doi":11},16997077,"Perrault, G., Szymański, J. T. (1982) Steacyite, a new name and a re-evaluation of the nomenclature of \"ekanite\"-group minerals. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  20 (1) 59-63 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM20_59.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":127,"year":128,"html":129,"doi":11},16967427,2001,"(2001) Steacyite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fsteacyite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":131,"year":132,"html":133,"doi":134},18779582,2025,"Stachowicz, M.; Bagiński, B.; Harlov, D. E.; Jokubauskas, P.; Kotowski, J.; Matyszczak, W.; Dąbrowska, A.; Macdonald, R. (2025) Multidisciplinary study of thorium mobility: formation of turkestanite and steacyite analogues, and structural insights using an XRD-directed microcrystal preparation technique. \u003Ci>Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials\u003C\u002Fi>,  81 (4). 418-426 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs2052520625004822'>doi:10.1107\u002Fs2052520625004822\u003C\u002Fa>","10.1107\u002Fs2052520625004822",[136],{"id":137,"source_url":138,"license_code":139,"credit_html":140,"title":141,"description":142,"author":143,"original_width":144,"original_height":145},22756,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=77539826","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=77539826\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Steacyite.jpg","Outstanding tetragonal crystals of the rare mineral steacyite from the type locality (Mont Saint Hilaire, Québec, Canada) and one of the few localities known worldwide.","David Hospital",721,667,[147],{"id":148,"url":149,"label":150,"formula":151,"spacegroup":152,"year":153},13103,"\u002Fcif\u002F13103.cif","Prichard 1972","K.6 Na.9 Ca.74 Mn.2 Mg.04 Th.88 Ce.03 Pb.01 Si8 O20","P 4\u002Fm c c",1972,[155,156],"IMA1981-E","Unnamed (MSH UK-4)",[158,162,167,171,174,177,181,185],{"lang":159,"names":160},"ca",[161],"steacyita",{"lang":163,"names":164},"de",[165,166],"IMA 81-E","Steacyit",{"lang":168,"names":169},"es",[170],"Steacyita",{"lang":172,"names":173},"eu",[170],{"lang":175,"names":176},"it",[7],{"lang":178,"names":179},"nl",[180],"Steacyiet",{"lang":182,"names":183},"ta",[184],"சிடேசைட்டு",{"lang":186,"names":187},"zh",[188],"斯硅钾钍钙石","Q1070987",{"history":11,"applications":11}]