 | | Journal (article/letter/editorial) | | VOL 47, JULY-AUGUST, 1962 PEGNIATITES AT RYRS, SWEDEN-EXAMPLES OF FLUORITE EXOMORPHISMI E. Wu. Hnrnntcu...Assrnecr Two pegmatites near Ryrs, Sweden, Skuleboda and Gundlebo, contain unusual accessory mineral...albite, allanite, yttrotantalite, sphalerite; Gundlebo -cleavelandite, lepidolite, topaz, sphalerite...University of Stockholm and the writer examinedthe Gundlebo and Skulebodapegmatitesnear Ryrs station, nearly...accessoryminerals: Almstrcim (1931)yttrotantalite, sphalerite, amazonite, topaz; Sandegren(1931)-native bismuth, sphalerite; |  | | Journal (article/letter/editorial) | | pegmatites from Sveconorwegian terranes in southwestern Sweden Rolf L. R o m e r a'b, S t e n - A n d e r s S...Applied Geology, Luled University, S-971 87 Luled, Sweden Clnstitute of Earth Sciences, MineraL-Petrol.,... Norbyvi~gen 18B, S-752 36 Uppsala, Sweden Received 20 December 1994; revised versionaccepted 23 May...in the Sveconorwegian Province of southwestern Sweden yield U-Pb columbite ages at 1041.4 + 1.6 Ma (2o-)...with earlier U-Pb data from southern Norway and Sweden define a zonal pattern with increasingly younger |  | | Journal (volume) | | pegmatites from Sveconorwegian terranes in southwestern Sweden. Precambrian Research 76, 15-30. Simmons, W.B....and microcline from these pegmatites. Primary amazonite pegmatites are to a large extent replaced by a...cleavelandite phase. Quarrying for lepidolite, amazonite and mineral specimens for collectors (like cassiterite...aspects relating to the process of replacement of amazonite pegmatite by cleavelandite pegmatite in the Høydalen...work on granite pegmatite quarries in Telemark county carried out by AOL it was therefore quite unexpected |  | | Journal (issue) | | Menzies Pink topaz from the Thomas Range, Juab County, U ta h .........................................Hungary Lowe, Paul A. - England Lyckberg, Peter - Sweden Mauduit - France Medici, John C. Megaw, Peter M...contents. The Brown Derby No. 1 pegmatite in Gunnison County, Colorado, is described by Rosenberg (1972). In...hydrotherm al Quartz, albite, microcline (incl. amazonite), zinnwaldite, fluorite, iron species. U ncom...from other pegmatites (Ream, 1994). In San Diego County, California, only a few of the many gem pegmatites |  | | Book | | Africa 189 Saudi Arabia 190 Spain 190 Sri Lanka 190 Sweden 191 Thailand 192 Turkey 192 United Kingdom 193...Buzz Gray. It is on display at the Los Angeles County Museum. One wonders at what weight this mad rush...portion of the Brown Derby No.1 pegmatitc, Gunnison County. Colorado', American Mineralogist, 51, 1972 (pp...of the Quartz Creek Pegmatite District, Gunnison County, Colorado'. US Geological Survey Professional Paper...hydroxyl-rich topaz is from the Brewer mine, Chesterfield County, North Carolina, containing 13.23% fluorine, with |
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