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Point Group: n.d.; Space Group: n.d. Z = n.d.","Green to colorless spherules,  typically 0.05 mm in diameter and exceptionally to 0.1 mm.  In the type material they were all coated in ancylite.",5,"2.48",3,"Measured using heavy liquids","Transparent","White","Light green to white",[49,50],"green","white",[50],"None observed","None Observed","Biaxial","1.536",4,"1.550",1.536,1.55,"r > v weak","Triassic diabase.","National Museum of Natural History (Smithsonian), Washington, D.C., USA, 149397.","Named by Pete J. Dunn and Dale Newbury in 1982 for Loudoun County, Virginia, that includes the type locality.\r\n\r\nThe pronounciation is LOWD-ən-ite, where the first syllable rhymes with PROUD.","2025-12-10 10:03:45",[],[],[],[],[70],{"id":71,"txt":72,"latitude":73,"longitude":74,"country":75},8479,"New Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA",39.0686111,-77.5161111,"USA",[77,80,83],{"id":78,"year":30,"html":79,"doi":11},527828,"Dunn, P.J.; Grice, J.D.; Fleischer, M.; Pabst, A. (1983) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  68 (9-10). 1038-1041 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM68\u002FAM68_1038.pdf?reftype=.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":81,"year":30,"html":82,"doi":11},15946255,"Dunn, P.J., Newbury, D. (1983) Loudounite, a new zirconium silicate from Virginia. The Canadian Mineralogist: 21: 37-40.",{"id":84,"year":85,"html":86,"doi":11},16965658,2001,"(2001) Loudounite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Floudounite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[],[28,90],"Loudouniet",[92,96,100,104],{"lang":93,"names":94},"ca",[95],"loudounita",{"lang":97,"names":98},"de",[99],"Loudounit",{"lang":101,"names":102},"eu",[103],"Loudounita",{"lang":105,"names":106},"it",[7],"Q3837557",{"history":11,"applications":11}]