 | | Journal (article/letter/editorial) | | from the Rare-Metal Ores of the Gremyakha–VyrmesMassif,Kola PeninsulaN. V. Sorokhtinaa, *, L. N. Kogarkoa...Russian Academy of Sciences, ul. Kosygina 19, 119991RussiabGeological Institute, Kola Science Center, Russian...Academy of Sciences, ul. Fersmana 14, Apatity, 184209Russia*е-mail: nat_sor@rambler.ru**е-mail: ark@geoksc...metasomatites of the Gremyakha–Vyrmes alkaline-ultramaficmassif, are reported. Early zircon generations are enriched...from the metasomatites of the Gremyakha–VyrmesMassif are similar to those of syenite pegmatites and |  | | Book (edition) | | prefecturecountydepartementdepartamentodistrictmunic. municipioSaintSt.SainteSte.island...Canadian MineralogistDoklady Akademii Nauk ofRussiaEuropean Journal of MineralogyJournal of Mineralogy...Kudriavy Vole., lturup Is., Kuril volcanic Isl.,Russia. ZRMO 136, 5, 45-51, 2007.AdachiiteCaFe3i- Al6...Al;[(OH) 4 IPO;(OH)l(PO4))'4Hi0(8.D, turquoisegroup). Triclinic, PT, a,b,c = 7.39,7.72, ll.34,a,p,y=99°46'...luster vitreous, streak white. Cleav- (8.D, mixitegroup). Hexagonal, P6/111, a,c = 13.55,age {001} perfect |  | | Book | | case of the island of Laven in the LangesundfjordDistrict of Norway. Interestingly, and incontrast to its...be tabulated with data for other membersof thegroup. Drawings of idealized crystals by LaszloHorvath...Labuntsovite-,Zeolite-, Lovozerite- and Cancrinite-group mineralsand directed studies on fenite rocks. Dr...electron-microprobe data onseveral species. Dr. Pavel Kartashov (Russia) carriedout analyses (rontgenite, SEM). Dr. Julian...hingganite . The late Dr. AlexanderKhomyakov (Moscow,Russia) provided useful discussions on sodalitolite segregations |  | | Report (issue) | | of all the 14naturally occurring members of thegroup, but commonly the assemblagein any one species...regularlyin the American Mineralogist.Rare-earthgroup of elements[Includes the lanthanide elements and...a naturally occurring member of the rare-earthgroupGlossary of rare-earth mineralsNameComposition...- - - (Y, Ca, H) Cu6 [(As04)3 (OH) 6 ] • 3H20Allanite - - - - - - (Ca, Ce, Thh (AI, Fe, Mg)a Si3012(0H)...- - Resembles bastnaesiteBelovite- - - Apatitegroup- (Sr, Ce, Na, Ca)5 (P04)a (OH)- - - RE varieties |
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