[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3467":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":24,"impurities":11,"cim":25,"ima_status":26,"ima_notes":29,"ima_history":11,"approval_year":11,"publication_year":31,"discovery_year":11,"strunz10ed1":32,"strunz10ed2":33,"strunz10ed3":34,"strunz10ed4":35,"dana8ed1":36,"dana8ed2":37,"dana8ed3":38,"dana8ed4":39,"csystem":40,"cclass":11,"spacegroup":11,"spacegroupset":41,"a":42,"b":43,"c":44,"alpha":45,"beta":46,"gamma":47,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":48,"csmetamict":13,"commentcrystal":49,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":50,"tlform":11,"hmin":51,"hmax":52,"hardtype":11,"vhnmin":41,"vhnmax":41,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":41,"dmeas2":41,"dcalc":53,"dmeaserror":11,"dcalcerror":11,"commentdense":54,"lustre":11,"lustretype":55,"commentluster":56,"diapheny":57,"streak":11,"colour":58,"commentcolor":59,"colors":60,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":64,"opticalsign":65,"opticalalpha":66,"opticalalpha2":41,"opticalalphaerror":11,"opticalbeta":41,"opticalbeta2":41,"opticalbetaerror":11,"opticalgamma":67,"opticalgamma2":41,"opticalgammaerror":11,"opticalomega":41,"opticalomega2":41,"opticalomegaerror":11,"opticalepsilon":41,"opticalepsilon2":41,"opticalepsilonerror":11,"opticaln":41,"opticaln2":41,"opticalnerror":11,"optical2vcalc":41,"optical2vcalc2":41,"optical2vcalcerror":11,"optical2vmeasured":41,"optical2vmeasured2":41,"optical2vmeasurederror":11,"rimin":68,"rimax":69,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":70,"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":71,"industrial":11,"occurrence":72,"otheroccurrence":73,"type_specimen_store":74,"description_short":75,"aboutname":76,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":77,"reviewed_at":11,"variety_of":11,"varieties":78,"group_members":79,"associates":80,"confused_with":81,"type_localities":82,"occurrence_total":89,"citations":90,"images":120,"structures":121,"synonyms":122,"language_names":124,"wikidata_qid":142,"texts":143},3467,"1:1:3467:4","e5951890-7c50-4fa1-8201-43ba2d8fdd3e","Rowlandite-(Y)","Row-Y",0,"mineral",null,53,false,"(Y,Ce)\u003Csub>4\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub> (?)","Fe\u003Csup>2+\u003C\u002Fsup>Y\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>",[17,18,19,20,21,22],"Ce","Fe","Si","O","F","Y",[18,19,20,21,22],[22],"17.1.18",[27,28],"APPROVED","GRANDFATHERED",[30],"RENAMED",1891,"9","H","G","20","55","2","1b","1","Triclinic","0","6.59","8.65","5.53","99.03","104.12","91.47",1,"Commonly metamict.","Small irregular masses.",5.5,6.5,"4.33","4.30 - metamict, 4.55 when heated to 050 for hour, 4.85 when crystalline","Vitreous,Waxy","Waxy when altered","Transparent","Pale dull green, greyish white","alters to brick red",[61,62,63],"green","white","gray","Biaxial","+","1.763","1.769",1.763,1.769,"Isotropic when metamict (n=1.704; 1.76 when heated)","Commonly metamict","Rare earth pegmatite.","Rare earth bearing pegmatites","No designated type material.","Commonly metamict.\r\n\r\nSee also the Mg analogue magnesiorowlandite-(Y) described in 2014.","Named in honor of Henry Augustus Rowland (27 November 1848, Honesdale, Pennsylvania, USA - 16 April 1901, Baltimore, Maryland, USA), Professor of Physics, Johns Hopkins University, Baltimore, Maryland, for his spectrographic work on rare-earth elements. He is also known for developing a diffraction grating that now bears his name. Originally named simply rowlandite, the suffix was added in 1987 to denote the dominant rare earth element.","2025-08-11 12:14:23",[],[],[],[],[83],{"id":84,"txt":85,"latitude":86,"longitude":87,"country":88},4129,"Baringer Hill Mine, Bluffton, Llano County, Texas, USA",30.77799,-98.43311,"USA",11,[91,94,97,101,104,108,112,116],{"id":92,"year":11,"html":93,"doi":11},15934350,"Peacor D.R., Simmons W.B., Jr., Essene E.J., Heinrich E.W. (1982): New data on and discreditation of \"texasite\", \"albrittonite\", \"cuproartinite\",\"cuprohydromagnesite\", and \"yttromicrolite\" with corrected data on nickelbischofite, rowlandite and yttrocrasite. American Mineralogist. 67, 156-169. http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM67\u002FAM67_156.pdf",{"id":95,"year":31,"html":96,"doi":11},16122261,"Hidden, W.E. (1891) Preliminary notice of a new yttrium-silicate. American Journal of Science: 142: 430-431.",{"id":98,"year":99,"html":100,"doi":11},16122262,1893,"Hidden, W.E., Hillebrand, W.F. (1893) Description of rowlandite. American Journal of Science: 146: 208-212.",{"id":102,"year":99,"html":103,"doi":11},18134710,"Hillebrand, W. F. (1893) The composition of rowlandite and mackintoshite, in \u003Ci>Report of work done in the division of chemistry during the fiscal years 1891-92 and 1892-93\u003C\u002Fi>. \u003Ci>Bulletin\u003C\u002Fi>,  113. US Geological Survey. 44-48",{"id":105,"year":106,"html":107,"doi":11},19432180,1961,"Frondel, Clifford (1961) Two yttrium minerals; spencite and rowlandite. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  6 (5). 576-581 \u003Ca target='_blank' href='https:\u002F\u002Fwww.rruff.net\u002Fdoclib\u002Fcm\u002Fvol6\u002FCM6_576.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":109,"year":110,"html":111,"doi":11},16122264,1971,"Shipovalov, Y.V., Stepanov, A.V. (1971) X-ray structural study of rowlandite. Issled. Oblast. Khim. Fiz. Metod. Anal. Min. Syr'ya: 189-192 (in Russian).",{"id":113,"year":114,"html":115,"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":117,"year":118,"html":119,"doi":11},16967071,2001,"(2001) Rowlandite-(Y). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Frowlandite-Y.pdf' class='refpdflink'>\u003C\u002Fa>",[],[],[123],"Rowlandiet-(Y)",[125,130,134,138],{"lang":126,"names":127},"ca",[128,129],"Rowlandita-","rowlandita-(Y)",{"lang":131,"names":132},"de",[133],"Rowlandit-(Y)",{"lang":135,"names":136},"eu",[128,137],"Rowlandita-(Y)",{"lang":139,"names":140},"it",[141,7],"Rowlandite-","Q3941981",{"history":11,"applications":11}]