| | Journal (article/letter/editorial) | described as a new species from Rouma Island, Los Archipelago, Guinea (Lacroix 1931). It was named in...supplied Lacroix with suites of samples from the Los peralkaline complex (Fontan and Martin 2017). Lacroix...cm wide, from the type locality, Rouma Island, Los Archipelago, Guinea. Donald Doell specimen, Peter Tarassoff...the serandite typelocality, Rouma Island in the Los Archipelago, Guinea, the rocks are peralkaline nepheline...eudialyte, catapleiite, leucophanite, and villiaumite for which Rouma Island is also the type locality | | | Journal (article/letter/editorial) | sites. Keywords: mosandrite, rinkite group, Låven Island, Norway. Sommaire La mosandrite, Ti(,Ca,Na)3(Ca...from the nepheline syenite pegmatites on Låven Island, in Langesundsfjord district, the type locality...catapleiite, astrophyllite, rosenbuschite, låvenite, leucophanite, analcime and fluorite. However, in our case...2009), and in a new mineral from Rouma island, Los Archipelago, Guinea, (Ca,Na,REE,)7(Nb,Ti)[Si2O7]2OF3...center but moved away from it and distributed over a region of space with appropriate distances to the “anion” | | | Book | mineralogical fame and significance, as in the case of the island of Laven in the Langesundfjord District of Norway...named Monteregie is now the current name of the region. he name Mont Saint-Hilaire is used interchangeably...what is now the Richelieu River and Lake Champlain region, Samuel de Champlain first named the mountain Mont...Monteregian Hills (see below) remained exposed as islands in the sea; sand beaches can be found on the mountain's...protecting the only remaining primeval forest in the region. THE EARLY SCIENTIFIC INVESTIGATIONS T he earliest | | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | Tuscon, Arizona. Barry Yampol: Oyster Bay, Long Island, New York. Victor Yount: Warrenton, Virginia. Josef...Creek, NT. In New Zealand, Hauraki Peninsula, North Island, and placer deposits in Nelson, Westland, Otago...Emperor mine, Vatukuola, Fiji. Mt. Kare, Papua New Guinea. In South America, Antioquia and Cauca, Colombia;...nm); weakly anisotropic. Bolshoi Anyui R.., Kolyma region, Russia, in gold-bearing alluvium. sm MZ 11(4):88(1989)...VHNjo9 = 260. R = 55.3 (540 nm). Magnetic. Kumak region, Southern Ural Mts., Russia, in quartz veins with |
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