 | ÄernĂ˝, P., Chapman, R., Chackowsky, L. E., Ercit, T. S. (1989) A ferrotantalite-ferrotapiolite intergrowth from Spittal a.d. Drau, Carinthia, Austria. Mineralogy and Petrology, 41 (1) 53-63 doi:10.1007/bf01164810 | Journal (article/letter/editorial) | | Ferrotantalite-Ferrotapiolite Intergrowth from Spittal a.d. Drau, Carinthia, Austria P. Cern# 1, R. C h a p m a n 1,...ferrotapiolite occur in a pegmatite in Spittal a.d. Drau, Carinthia. They are associated with muscovite...microscopic uranmicrolite, zircon and uraninite. An assemblage of secondary uranium minerals is also...southern Ostalpen in general, and specifically of the Spittal pegmatite, is probably responsible for the recrystallization...Ostalpen, Austria. Zusammenfassung Eine Ferrotantalit-Ferrotapiolit Verwachsung yon Spittal a.d. Drau, Kfirnten |  | | Journal (article/letter/editorial) | | Auburn, Alabama 36849-5305 cookrob@auburn.edu Autunite Downloaded by [Columbia University] at 23:49...analysis and sometimes X-ray diffraction analysis. An unusual number of variably hydrated uranium minerals...hydration/dehydration-linked pair of minerals, autunite and meta-autunite, are commonly available in good to excellent...discussion as a Connoisseurâs Choice. Consequently, autunite, commonly perceived as the dominant and most widespread...occurrence at the Daybreak mine near Elk, Washington. Autunite is characterized by color that varies from bright |  | | Book | | HagendorfPleystein Province: the Center of Pegmatites in an Ensialic Orogen Modern Approaches in Solid Earth...Hagendorf-Pleystein Province: the Center of Pegmatites in an Ensialic Orogen Harald G. Dill Gottfried-Wilhelm-Leibniz...did not postpone my questions. I did not receive an answer from him, he provided me with a solution....major constituents the three rock-forming minerals feldspar, quartz and mica, which in places develop mega-crystals...share of raw material extracted from pegmatites is feldspar, quartz and mica, and only a tiny fraction of |  | | Book | | for within several months they asked me to render an opinion as to its suitability for translation and...neglecting the truly important European localities. As an amateur handbook, this one makes no pretense at being...method of indicating increasing quality by the use of an increasing number of exclamation points within parentheses...version are truly those intended in the original. As an outgrowth of this study a number of errors in the...renditions are all the more remarkable because he is an ardent amateur mineral collector and is therefore |  | | Book | | Frontcover Upper left: The observatory at Kremsmunster. Austria. which houses the mineral collection. Upper right:...mineralogical cabinet of the convent at Kremsmunster, Austria. The . specimens a~e displayed m baroque furniture...important mineralogical museums in Western Europe Austria Belgium Denmark Finland France Germany (Federal...revival of interest. Collecting minerals has become an increasingly popular hobby among people from all...on display, representing 100-200 mineral species: an exception is the mining museum of Kongsberg, Norway |  | | Journal (issue) | | SEPTEMBERâOCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil .............................................. 656 by Wu Huixin COVER: AUTUNITE on TOURMALINE, 11.9 cm, from the Golconda I mine...field-collected at many localities in the U.S., Germany, Austria, Switzerland, France, Italy, Great Britain, Hungary...published article in an American magazine appeared in Rocks & Minerals in 1954 (an article on the Idar-Oberstein...including Mineralogical Record, Lapis, and Der Aufschluss. He was an Honorary Member and past President (until |  | | Book | | ⢠An illustrated Encyclopedia of the World's Rocks and Minerals L......- , 1-. r S INER.!. l ⢠A...Dusan Slivka First published in 1986 by Spring Books an imprint of The Hamlyn Publishing Group Limited, a...; this is a product of chemical weathering of feldspar rocks. Other examples of residual deposits are...closely associated, which can be demonstrated by an example of certain ore concentrations. As a result...pyrolusite have originated. Living organisms also take an active part in the process of mineral weathering | | | Book | | DuSan Slivka First published in 1986 by Spring Books an imprint of The Hamlyn Publishing Group Limited, a...found; this is a product of chemical weathering of feldspar rocks. Other examples of residual deposits are...closely associated, which can be demonstrated by an example of certain ore concentrations. As a result...pyrolusite have originated. Living organisms also take an active part in the process of mineral weathering...individual grains in polycrystalline minerals plays an important part in the hardness determination. Considerable |  | | Book | | minerals provides fluorescent characteristics, including an extensive description of color variations in a quick-reference...themselves in the minerals of a single mine or mineral district, one or several particular mineral species, microspecimens...mineral capable of luminescence can be stimulated by an electron beam, including many minerals that do not...laboratory and its elaborate instruments and take an ultraviolet light into the field at night to explore...fluorescing minerals. The fieldâmine, mine dump, or quarryâcan be richly rewarding in its production of | | | Book | | minerals provides fluorescent characteristics, including an extensive description of color variations in a quick-reference...themselves in the minerals of a single mine or mineral district, one or several particular mineral species, microspecimens...mineral capable of luminescence can be stimulated by an electron beam, including many minerals that do not...instrume are glad of the chance to leave the labnd take an ultraviolet light into the field at night to explore...fluorescing minerals. The fieldâmine, mine dump, or quarryâcan be richly rewarding in its production of |  | | Journal (article/letter/editorial) | | Quebec. The sill is well exposed in the Varennes quarry, which has been operated continuously for crushed...[Stockholm University Library] at 17:06 10 August 2015 AN ALTERNATIVE OPTICAL STRATEGY FOR FIELD COLLECTING...done at night. The alternative âstrategyâ is to use an unfdteryd mercury vapor lamp as the UV source. To...Connecticut, just off Route 109, there is an old pegmatite quarry known locally chiefly for its occasional...of the material from the quarry was evidently used in the construction of an adjacent dam, and no detailed |  | | Book (edition) | | groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |  | | Book | | write books on new and related subjects. If you have an idea for a book please contact us at the above address... 137 Preface This book is intended to serve as an introduction to the world of uranium and thorium...amount of these minerals stored for long periods in an enclosed space could create a buildup of radon gas...Peligot correctly identified Klaproth's materia l as an oxide and went on to produce elementa l uranium by...mineral, tho rite (ThSiO4 ), found in a pegmatite on an island in Langesund Fjord, southern Norway (Frondel |  | | Report (issue) | | Pegmatite Columbite, cyrtolite, Devonian Country rock is an ilmenite-bearing uraninite, gummite, pegmatite amphibolite...368 torbernite, autunite m.y. Branchville East Village Torbernite Pegmatite Autunite, gummite, uraninite...to Januzzi, quarry is near bottom of next 1959. hill. Distance from Branchville to quarry is 0.6 km. ...farmhouse. Pegmatite Autunite, columbite, cyrtolite, gummite, torbernite, uraninite Autunite, torbernite, Pegmatite...until it ends. Continue by foot along old roadway, quarry is on left side of trail. Pegmatite - Torbernite |  | | Journal (article/letter/editorial) | | opened a short time before at the Rock Landing Quarry, Haddam Neck, was brought to Yale University for...fragments Frc. 1. Index map. S-Swanson Quarry; R-Rock Landing Quarry; G-Gillette from which a number of gem...gem aquamarines have been taken. Quarry; A-pit l Schairer, J. F., The minerals of Connecticut: Connecticut...There were also numerous patches and crystals of autunite and torbernite on the other minerals. Loc.trrrv...in all of these quarries except the Rock Landing Quarry, and it is the only one from which uranium minerals |  | | Book | | becomes an easy matter, even for ⢠novices. This new guide to minerals, however, is more than an aid to...structure of a type of crystal does not always adhere to an unvarying chemical formu la. In siderite, for example...Germany), 3x almost identical in size. They form an unbroken solid solution series extending from one...can use to construct its lattice. Photo: Siderite, an iron carbonate, can also contain magnesium and manganese...scratched 4. Fluorite with a 5. Apatite knife 6. Feldspar 7. Quartz 8. Topaz will scratch 9. Corundum glass |  | | Journal (article/letter/editorial) | | Perloff photo. Figure 3: Micro quartz, Nello Teer quarry; L . Perloff photo. Figure 4: Micro epidote, Snow...reported to occur in a muscovite-biotite gneiss in an area on the east side of the North Fork of the New...con tains beryl, muscovite, biotite, garnet, feldspar, and quartz. Avery County The Cranberry Iron mine...quartz crystals have been found in the MayMeade quarry. There is some massive green quartz with tremolite...about 0.25 mile beyond where the pavement ends. The quarry is on the right and is not in operation at this |  | Dill, Harald G., Skoda, Radek, Weber, Berthold, MĂźller, Axel, Berner, Zsolt A., Wemmer, Klaus, Balaban, Sorin-Ionut (2013) Mineralogical and chemical composition of the Hagendorf-North Pegmatite, SE Germany â a monographic study. Neues Jahrbuch fĂźr Mineralogie - Abhandlungen: Journal of Mineralogy and Geoche, 190 (3) 281-318 doi:10.1127/0077-7757/2013/0244 | Journal (article/letter/editorial) | | Abstract. Hagendorf-North is a zoned Li-Nb-P-feldspar-quartz pegmatite located W of the village of Hagendorf...Hagendorf-South deposit which once was the largest feldspar pegmatite in Central Europe. Hagendorf-North also...War II, the pegmatite has no longer been considered an economic target and the mine was shut down. The reason...pegmatite has been depleted of its less resistant feldspar envelope and now morphologically stands out as...in Central Europe totaling 4.4 million tons of feldspar and quartz used as raw material for the ceramic |  | | Report (issue) | | , M. D.) L. D. Clark (1) p. 17. Inyo County: district, 2, As radial clusters near Lippincott mine...breccia at Dana Point, Jenni (p.c. '57). GLAUCOPHANE An outcrop of glaucophane schist with abundant yellowish...3, Watters (p.c. '58). Mendocino County: 1, A quarry 5.1 miles north of Longvale on U.S. 101 has furnished...riebeckite crystals occur in glaucophane schist in a quarry 5.1 miles north of Longvale on Highway 101, associated...mine, Tick Canyon, Pemberton (p.c. '58). This is an unusual mode of occurrence for this mineral. San |  | | Journal (article/letter/editorial) | | relevant, key references is presented in the form of an appendix. Š 2014 Elsevier B.V. All rights reserved...the east the KIM borders the Intra-Sudetic Basin â an intramontane trough ďŹlled with Middle VisĂŠan to Early...PorÄbaâHuta quarry is 306 Âą 4 Ma (Kryza et al., 2012). The TIMS zircon dating yielded an identical age...amphibolites, calc-silicate rocks, quartzites and quartzâfeldspar schists. The schists of the ZĹotniki LubaĹskie...Unit located in the eastern part of the KIM includes an Early Ordovician (~500 Ma, UâPb, zircon: Oliver et |  | | Journal (article/letter/editorial) | | THE CHALK Figure 1. Panorama of Chalk Mountain Quarry viewed from the Western side. 304 R O C K S AND...Box 281 A Burnsville, N.C. 28714 Spruce Pine District Just four years after Lee surrendered to Grant...dubbed, inaugurated activity in a major mining district. During ensuing years, the mines of the Spruce...hundreds, producing first, sheet mica, and then, feldspar and kaolinâ often i n company with a startling...radioactives âuraninite, uranophane, gummite, autunite and torbernite; garnet; thulite; epidote and apatite |  | | Journal (article/letter/editorial) | | Kononkova, * Before publication, minerals marked with an asterisk were approved by the Commission on New Minerals...Cl2(OH)6 to (Cu2.922Ni1.058Co0.020)Cl2(OH)6, with an average result of all analyses of (Cu3.081Ni0.903Co0...Slovakian locality Gelnica but there had not been an application to the CNMMN for approval as a valid...Eur. J. Mineral., 19, 247â253. An Al-rich pumpellyite from the quarry âCarrière de la Flèche,â 3 km northwest...in late-formed veins associated with calcite, K-feldspar, and chlorite in aggregates, up to 5 mm in diameter |  | | Book | | consulting firms, and universities have cooperated to an extent unprecedented in the history of minerals exploration...efforts in the Reid and in the laboratory spawned an extraordinary fry of publications on the mineralogy...tuni te, meta-uranoci rci te Uranophane, autunite Autunite, uranophane Perovskite, pyrochlorc-microli...ineral Exchangeable ion Autunite. . . . . . . . . . . . . . . Synthetic Na-autunite... Ca Na 2 Uranospinite...impinging on the sh¡uctw¡e. In a minute a gram of uranium an"' daughter ele1nents in equilibrium with it produces |  | | Report (issue) | | dealership of MCh Minerals (mchminerals.com) has an October 2019 posting which features nine resplendent...featured news of a littleknown Chinese occurrence of autunite: the Nanjingqiao deposit near Pinjiang, Hunan...the contact zone of a granite intrusion.â The autunite specimens from this deposit are excellent, showing...for more autunite and other radioactive items from (watch that spelling!) Nanjingqiao. Autunite, 2.6 cm...white to colorless grossular in clayfilled pockets in an outcrop of serpentine near the W.L. Stifle Claim |  | | Book | | ROCKS AND MINERALS Michael OâDonoghue GALLERY BOOKS An Imprint of W. H. Smith Publishers Inc. 112 Madison...published in the United States 1990 by Gallery Books, an' imprint of W. H. Smith Publishers, Inc., 112 Madison...the field is the natural glass obsidian. This forms an amorphous material since cooling is too quick for...black rock, containing no quartz but rich in the feldspar minerals pyroxene and olivine. Old basalts with...intrusive rocks contain large crystals, often of the feldspar group and are known as porphyries. The individual |
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