[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:389":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":25,"key_elements":26,"impurities":11,"cim":27,"ima_status":28,"ima_notes":31,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":33,"strunz10ed1":34,"strunz10ed2":35,"strunz10ed3":36,"strunz10ed4":37,"dana8ed1":38,"dana8ed2":39,"dana8ed3":40,"dana8ed4":40,"csystem":41,"cclass":42,"spacegroup":43,"spacegroupset":44,"a":45,"b":11,"c":46,"alpha":44,"beta":44,"gamma":44,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":47,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":48,"tlform":11,"hmin":49,"hmax":49,"hardtype":11,"vhnmin":44,"vhnmax":44,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":50,"dmeas2":50,"dcalc":51,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":52,"commentluster":11,"diapheny":53,"streak":54,"colour":55,"commentcolor":11,"colors":56,"streak_colors":59,"luminescence":11,"uv":60,"cleavage":61,"cleavagetype":62,"fracturetype":63,"tenacity":64,"commentbreak":11,"opticaltype":65,"opticalsign":66,"opticalalpha":44,"opticalalpha2":44,"opticalalphaerror":11,"opticalbeta":44,"opticalbeta2":44,"opticalbetaerror":11,"opticalgamma":44,"opticalgamma2":44,"opticalgammaerror":11,"opticalomega":67,"opticalomega2":68,"opticalomegaerror":11,"opticalepsilon":69,"opticalepsilon2":70,"opticalepsilonerror":11,"opticaln":44,"opticaln2":44,"opticalnerror":11,"optical2vcalc":44,"optical2vcalc2":44,"optical2vcalcerror":11,"optical2vmeasured":44,"optical2vmeasured2":44,"optical2vmeasurederror":11,"rimin":71,"rimax":72,"opticaldispersion":11,"opticalpleochroism":73,"opticalpleochorismdesc":11,"opticalbirefringence":74,"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":11,"otheroccurrence":11,"type_specimen_store":76,"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":82,"confused_with":83,"type_localities":84,"occurrence_total":91,"citations":92,"images":127,"structures":158,"synonyms":170,"language_names":172,"wikidata_qid":205,"texts":206},389,"1:1:389:0","c988a40f-b8a0-4a45-9a8e-e0906fa079e2","Ashcroftine-(Y)","Acf-Y",0,"mineral",null,411,false,"K\u003Csub>5\u003C\u002Fsub>Na\u003Csub>5\u003C\u002Fsub>(Y,Ca)\u003Csub>12\u003C\u002Fsub>Si\u003Csub>28\u003C\u002Fsub>O\u003Csub>70\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>8\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>5\u003C\u002Fsub>Na\u003Csub>5\u003C\u002Fsub>Y\u003Csub>12\u003C\u002Fsub>Si\u003Csub>28\u003C\u002Fsub>O\u003Csub>70\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>(CO\u003Csub>3\u003C\u002Fsub>)\u003Csub>8\u003C\u002Fsub> · 8H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21,22,23,24],"Ca","Na","Si","O","C","K","H","Y",[18,19,20,21,22,23,24],[24],"14.8.9",[29,30],"APPROVED","GRANDFATHERED",[32],"RENAMED","1924","9","D","N","15","70","3","1","Tetragonal",27,176,"0","23.99","17.51",2,"Acicular, rod-like",5,"2.61","2.60","Sub-Vitreous,Waxy,Silky","Transparent","White","Pink",[57,58],"pink","white",[58],"Not fluorescent.","{100}, also {001} good","Perfect","Irregular\u002FUneven","brittle","Uniaxial","+","1.536","1.537","1.545","1.549",1.536,1.549,"Non-pleochroic","0.010","Parallel","The Natural History Museum, London, England, 1924,867.\r\nUniversity of Copenhagen, Copenhagen, Denmark.\r\nHarvard University, Cambridge, Massachusetts, USA, 110266.\r\nNational Museum of Natural History, Washington, D.C., USA, 95320, R4333.","See also \"Ashcroftine-(Ce)\".","Named by Max Hutchinson Hey and Frederick Allen Bannister in honor of Frederick Noel Ashcroft [August 28, 1878 Wavertree, near Liverpool, United Kingdom - April 4, 1949 London, United Kingdom], well known British mineral collector.\r\n\r\nNamed as \u003Cem>kalithomsonite\u003C\u002Fem> in 1932 by S. G. Gordon, for its resemblance to thomsonite and its potassium content. Later  Hey & Bannister (1933) showed that the mineral has no close relationship to thomsonite and gave it the name ashcroftine.  The suffix was added in 1987 by the IMA to denote the dominant REE.","2026-05-07 14:57:05",[],[],[],[],[85],{"id":86,"txt":87,"latitude":88,"longitude":89,"country":90},1961,"Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland",61.0330556,-45.3777778,"Greenland",4,[93,98,103,107,111,114,118,122],{"id":94,"year":95,"html":96,"doi":97},7153,1933,"Hey, Max H., Bannister, F. A. (1933) Studies on the zeolites. Part IV. Ashcroftine (kalithomsonite of S. G. Gordon) \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  23 (140) 305-308 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1933.023.140.02'>doi:10.1180\u002Fminmag.1933.023.140.02\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_23\u002F23-140-305.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1933.023.140.02",{"id":99,"year":100,"html":101,"doi":102},6325,1969,"Moore, P. B., Bennett, J. M., Louisnathan, S. J. (1969) Ashcroftine is not a zeolite!. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  37 (288) 515-517 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1969.037.288.12'>doi:10.1180\u002Fminmag.1969.037.288.12\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_37\u002F37-288-515.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1969.037.288.12",{"id":104,"year":105,"html":106,"doi":11},15962760,1970,"Fleischer, M., Nickel, E.H. (1970) New mineral names. American Mineralogist: 55: 1810-1818.",{"id":108,"year":109,"html":110,"doi":11},528365,1987,"Nickel, Ernest H., Mandarino, Joseph A. (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. \u003Ci>American Mineralogist\u003C\u002Fi>,  72 (9-10) 1031-1042 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM72\u002FAM72_1031.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":112,"year":109,"html":113,"doi":11},528378,"Moore, Paul Brian, Gupta, Pradip K Sen, Schlemper, Elmer O., Merlino, Stefano (1987) Ashcroftine, ca. K10Na10(Y,Ca)24(OH)4(CO3)16(Si56O140)·16H2O, a structure with enormous polyanions. \u003Ci>American Mineralogist\u003C\u002Fi>,  72 (11-12) 1176-1189 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM72\u002FAM72_1176.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":115,"year":116,"html":117,"doi":11},16963020,2001,"(2001) Ashcroftine-(Y). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fashcroftine-Y.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":119,"year":120,"html":121,"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":123,"year":124,"html":125,"doi":126},19930166,2026,"Krivovichev, Sergey V.; Yakovenchuk, Victor N.; Goychuk, Olga F.; Kasatkin, Anatoly V.; Pakhomovsky, Yakov A.; Agakhanov, Atali A.; Chernyavsky, Alexey V. (2026) Silicate Nanotubules in the Crystal Structure of K6(Na4Ca)(Y8Ca3Mn)[Si28O68(OH)2](CO3)8F2·9H2O, a Mineral Phase from the Khibiny Alkaline Massif (Kola Peninsula, Russia), and the Problem of Ashcroftine-(Y). \u003Ci>Minerals\u003C\u002Fi>,  16 (5). \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin16050492'>doi:10.3390\u002Fmin16050492\u003C\u002Fa>","10.3390\u002Fmin16050492",[128,137,143,151],{"id":129,"source_url":130,"license_code":131,"credit_html":132,"title":133,"description":7,"author":134,"original_width":135,"original_height":136},2174,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=43872725","CC0 1.0","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=43872725\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ashcroftine-(Y)-531183.jpg","Modris Baum",703,1024,{"id":138,"source_url":139,"license_code":131,"credit_html":140,"title":141,"description":7,"author":134,"original_width":136,"original_height":142},2175,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=43872726","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=43872726\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ashcroftine-(Y)-458619.jpg",926,{"id":144,"source_url":145,"license_code":146,"credit_html":147,"title":148,"description":149,"author":134,"original_width":136,"original_height":150},2176,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=43872727","Public domain","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=43872727\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ashcroftine-(Y)-257734.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAshcroftine-(Y)\" class=\"extiw\" title=\"en:Ashcroftine-(Y)\">Ashcroftine-(Y)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>FOV ~ 2.8 cm wide\u003C\u002Fdd>\n\u003Cdd>Ex Jean-Pierre Beckerich. MOB coll. The color is pale lilac. A few of the xls are just big enough to show a square cross section under high magnification \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Ashcroftine-(Y)-531183.jpg\" title=\"File:Ashcroftine-(Y)-531183.jpg\">File:Ashcroftine-(Y)-531183.jpg\u003C\u002Fa>.\u003C\u002Fdd>\n\u003Cdd>The matrix is igneous breccia. Associated minerals include terminated dark gray\u002Fgreen elpidite \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Elpidite,_Ashcroftine-(Y),_Calcite-531182.jpg\" title=\"File:Elpidite, Ashcroftine-(Y), Calcite-531182.jpg\">File:Elpidite, Ashcroftine-(Y), Calcite-531182.jpg\u003C\u002Fa>\u003C\u002Fdd>\n\u003Cdd>yellow calcite, \"ancylite\" and (probably) sérandite(!) \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Serandite-531184.jpg\" title=\"File:Serandite-531184.jpg\">File:Serandite-531184.jpg\u003C\u002Fa>.\u003C\u002Fdd>\n\u003Cdd>The sérandite has a habit very similar to that shown in \u003Ca rel=\"nofollow\" class=\"external autonumber\" href=\"http:\u002F\u002Fwww.mindat.org\u002Fphoto-186785.html\">[1]\u003C\u002Fa> which is (probably) from an analyzed find. Some unid minerals are present as well.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",656,{"id":152,"source_url":153,"license_code":146,"credit_html":154,"title":155,"description":156,"author":134,"original_width":157,"original_height":136},2177,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=56669611","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=56669611\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Elpidite, Ashcroftine-(Y), Calcite-531182.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FElpidite\" class=\"extiw\" title=\"en:Elpidite\">Elpidite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAshcroftine-(Y)\" class=\"extiw\" title=\"en:Ashcroftine-(Y)\">Ashcroftine-(Y)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>Very dark gray\u002Fgreen elpidite xls 5+ mm (not quite all shown). MOB coll. There are plenty of better elpidite photos on Mindat. But many of them show xls with pinacoidal terminations from the Poudrette pegmatite. The xls in this photo may be of interest because they are from igneous breccia, few if any examples of which have been posted, and are associated with very rare ashcroftine-(Y) (acicular pale violet stuff). The greenish yellow stuff is calcite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",763,[159,165],{"id":160,"url":161,"label":162,"formula":163,"spacegroup":164,"year":109},1053,"\u002Fcif\u002F1053.cif","Moore 1987 · Si54.16 O202.96 C16 Y24 K10.4 Na8.26 H14.8","Si54.16 O202.96 C16 Y24 K10.4 Na8.26 H14.8","I 4\u002Fm m m",{"id":166,"url":167,"label":168,"formula":169,"spacegroup":164,"year":109},1054,"\u002Fcif\u002F1054.cif","Moore 1987 · Si25.92 O103.36 C8 (Y10.28 Ca1.72) K5 Na5.4 B2.08 H9.1","Si25.92 O103.36 C8 (Y10.28 Ca1.72) K5 Na5.4 B2.08 H9.1",[171],"Kalithomsonite",[173,178,182,186,189,193,198,201],{"lang":174,"names":175},"ca",[176,177],"Ashcroftina-","ashcroftina-(Y)",{"lang":179,"names":180},"de",[181],"Ashcroftin-(Y)",{"lang":183,"names":184},"eu",[176,185],"Ashcroftina-(Y)",{"lang":187,"names":188},"it",[176,185,7],{"lang":190,"names":191},"ru",[192],"Ашкрофтин",{"lang":194,"names":195},"ta",[196,197],"ஆசுகுரோப்டைன்-","ஆசுகுரோப்டைன்-(Y)",{"lang":199,"names":200},"uk",[192],{"lang":202,"names":203},"zh",[204],"硅碱钙钇石","Q3624965",{"history":11,"applications":11}]