 | | Journal (article/letter/editorial) | | 187 Low-potash gismondine from Ireland and Iceland. By G. P. L. WALKER,Ph.D. With chemical analyses...the North Atlantic region, from a total of some 40 localities in Antrim and Iceland. It occupies a well-marked...lavas, and the characteristic associates are chabazite, thomsonite, and phillipsite. Five new chemical...the Tertiary volcanic rocks of the North Atlantic region. Specimens of a mineral collected in Northern Ireland...Antrim. Whilst engaged in geological mapping in eastern Iceland in 1957-61 the writer collected gismondine |  | | Journal (article/letter/editorial) | | MyrafeUstindur, BerufjSrdur; Sauddalur, Berufj6rdur; Skagafell, Reydarfj6rdur; Skessa, Reydarfj6rdur; Smdtindafjall...Reydarfj6rdur: garronite and other zeolites (analcime, chabazite, gmelinite, heulandite, levyne, mesolite, natrolite...Lambadalstindur, FdskrltdsfjSrdur,. Ormstadad, Egilzstadir; Skagafell; Suddalsfjall; and Teigargerstindur, Reydarfjiirdur:...gyrolite, gismondine, and other zeo]ires (analcime, chabazite, heulandite, levyne, mesolite, thomsonite), 187...Head: garronite, and other zeolites (analcime, chabazite, gmelinite, heulandite, levyne, natrolite, phillipsite |  | | Journal (article/letter/editorial) | | 258 Garronite, a new zeolite, from Ireland and Iceland. By G. P. L. WALKER,Ph.D. With chemical analyses...localities in the Tertiary basalts of Antrim and eastern Iceland, and the name garronite is proposed. Four chemical...collected f r o m T e r t i a r y basalts in eastern Iceland, and during field work since t h e n t h e...found at a f u r t h e r t w e n t y localities in Iceland and is locally quite a b u n d a n t . The mineral...steep western slopes of the Glenariff valley, in eastern Antrim, locality a G. 1. Zeolites are abundant |  | | Journal (issue) | | Switzerland Famous mineral localities: zeolites from Iceland and the Faeroes .................................written on by every generation o f mineralogists. Iceland and the Faeroes have pro duced huge amounts o... An atypically sunny day near Helgusta5anama, Iceland; Holmatindur (Holma Peak) near ReySarfjorSur is...January-February, 1981 5 INTRODUCTION In the region of the North Atlantic, vast areas of the land and...Province. These basalts, visible in eastern and western Greenland, Iceland, Jan Mayen, the Faeroes, Scotland |  | | Book | | . ... . . ... . .. . .. . . .... . . . . .. Chabazite, Willhendersonite . . . . . . . . . . . . . ....the zeolite names with their present meaning Chabazite: Bosc d' Antic (1792) Stilbite: Haiiy (1801) Analcime:...Sequence AABBCC ... of parallel 6-rings R3m Chabazite R3m LEV Sequence AABCCABBC ... of parallel...the gmelinite cage (y-cage of Meier 1968) the chabazite cage the levyne cage the erionite cage the a-cage...cage. h - The gmelinite cage (y-cage). i-The chabazite cage. j - The levyne cage. k - The erionite cage |  | | Book | | the species name, zeolites such as analcime, chabazite, stilbite, and heulandite can be easily identified...indicated simply by the modifiers such as ordered chabazite rather than willhendersonite or disordered natrolite...priority) analcime (pollucite and wairakite), chabazite (herschelite and willhendersonile), gismondine...compositions, regardless of the crystal system. CHABAZITE GROUP Chabazite, herschelite, and willhendersonite represent...composition and disorder-order in the framework. Most chabazite crystals are calciumdominant, although potassium- | | | Book | | the species name, zeolites such as analcime, chabazite, stilbite, and heulandite can be easily identified...indicated simply by the modifiers such as ordered chabazite rather than willhendersonite or disordered natrolite...priority) analcime (pollucite and wairakite), chabazite (herschelite and willhendersonile), gismondine...compositions, regardless of the crystal system. CHABAZITE GROUP Chabazite, herschelite, and willhendersonite represent...composition and disorder-order in the framework. Most chabazite crystals are calciumdominant, although potassium- |  | | Journal (issue) | | West-Duitsland ; Sundelaget, Streymoy, Farner ; Skagafell, N W Reydarfjord en tal van andere plaatsen in...21-24 _ Betz, V . 5-26 . (1981) zeolites from Iceland and the Faroes . Mineralogical Record, 12 , Seltene...tertiary lavas of Ireland . Th e distribution of chabazite habits and zeolites in the Garron plateau area |  | | Book | | GREENLAND] HMC0 ] 1-264 •MINERAL MUSEUMS OF EASTERN EUROPE 0 HISTORY OF MINERAL COLLECTING Tlir M/11...Rare-earth minerals in the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli)...M. Gramaccioli) 10:85-89 Micromounting in the eastern Alps of Austria (by K. Kotal) 13:171-173 ALSTONITE...DESERT Hydroboracite from the Amargosa Desen, eastern California (by R. L. Countryman) 8:503-504 AMAZONITE...Cassedanne) 8:382-387 Amethyst from the Thunder Bay region, Ontario (by D. G. Ellion) 13:67-70 New data on |
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