 | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (article/letter/editorial) | | miaskitic (nephelino-feldspathic), feldspathic, and corundum-feldspathic pegmatites giving ages of 270–290...(Fe2+ 0.82Zn0.10Mn0.05Mg0.03Al1.89Fe 0.11O4), corundum, and 1 FIGURE 1. Geological map of the area around...(1990) rhönite 100 Ti Bonaccorsi et al. (1990)* (Scharnhausen) rhönite (Allende) 56 Mg + 44 Ti Bonaccorsi...of 5 nm in the UV/VIS range and 10 nm in the NIR region. The measure spot was 15 μm and glycerol was used...UVabsorption edge extending through the visible spectral region. In addition, all three spectra show an intense |  | | Journal (article/letter/editorial) | | relationships of magnetite, hercynite, hematite, corundum, wustite, and iron are described. The phases were...spinel solid solutions synthesized in the one-phase region. The cell edge aa changes from 8-391 ±0-002 A (magnetite...univariant assemblages: 1. Hematite+corundum+magnetite + V (vapor) 2. Corundum+magrietite+hercynite+K 3. Ma...4. Hercynite+wustite+iron +V 5. Hercynite+iron+corundum + K Tie lines were located by determining the...composition of the magnetite, hercynite, hematite, and corundum solid solutions for each assemblage. The diagrams |  | | Book (edition) | | IV/C.01-20 Bismite IV/C.02-30 Bixbyite IV/C.03-10 Corundum IV/C.04-10 Hematite IV/C.04-20 Eskolaite IV/C...Affiliation/Address Luzerner Str. 10-12, D-12205 Berlin, Germany – Freie Universität Berlin, FB Geowissenschaften...Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Bundesanstalt für Geowissenschaften und Dr. Frank...Stilleweg 2, D-30655 HanDr. Thomas Oberthür nover, Germany Dr. Thomas Kenkmann Museum für Naturkunde der ... zu Berlin, Invalidenstr. 43, D-10115 Berlin, Germany Prof. Dr. Robert Marschik & Ludwig-Maximilians |  | | Journal (article/letter/editorial) | | Fig. 1), as iron depletion is restricted to the region directly adjacent to the platinum tube. The effectiveness...new bomb has an/ O j equivalent to the fayalite region, while a much-used bomb has a n / O t slightly...magnetite stability field, or at the boundaries of that region. Geologically, this is the most significant reaction...and Q respectively in Fig. 4 and extend into the region where the hydrous phase annite is not stable. Results...(II) paragonite ^ albite+corundum+vapor; (HI) muscovite ^ sanidine+corundum+vapor; (IV) annite+quartz |  | | Journal (article/letter/editorial) | | which he named for the Rhön Mountains of central Germany, as a distinct triclinic mineral and realized it...Mountains, but also at several localities elsewhere in Germany and in Bohemia plus one in Sweden. Walenta (1969)...(rhönite-8A) that is 200 Å wide in a crystal from Scharnhausen, Germany. Welshite is unique among minerals in the...42 per 28 cations (7.52 wt.% Cr2O3, Fiskenæsset region, Greenland, Friend, 1982); the corresponding Cr3+/(Cr3+...Kauai, Hawaii, USA and Nickenicher-Sattel, Eifel, Germany), a trend consistent with the substitution (Na |  | | Book (edition) | | E. Schweizerbart'sche Verlagsbuchhandlung in Stuttgart we were able to use the scheme in this book. Two...expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage. The collected data on optics...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing |  | | Book | | Congress Catalog Card No. 66-17809 Printed in Germany 08 011635 3 PREFACE TO THE T H I R D (GERMAN)...appropriate to give a new description of zircon, corundum and sphene and to at least mention briefly monazite...N , Troy, New York, USA G. FRIEDRICH, Aachen, Germany H . FROHBERG, Toronto, Canada R. L A GANZA, North...Pullman, Washington R. A. ZIMMERMANN, Heidelberg, Germany 2 Bamdohr, Theorie Minerals XVÜ ABBREVIATIONS...example. Most chromite occurrences, many deposits of corundum (fig. 631a), zircon, and monazite, and several |  | 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) | | Fritz: Bergakademie Freiberg, Freiberg, Saxony, Germany. Donald B. Hoover: U.S.G.S., Federal Center, Lakewood...Institut fur Mineralogie, Ruhr Universitat Bochum, Germany. Duane Mellor: Geology Library, Yale University...Berlin, Germany. Peter Susse: MINABS, Inst. of Mineralogy, Univ. of Gottingen, Gottingen, Germany. C. Sheldon...Pennsylvania. Hans J. Wilke: Eppertshausen/Hessen, Germany. Wendell E. Wilson: The Mineralogical Record, Tuscon...Harder The hardest known mineral 8 9 10 Topaz Corundum Diamond Hardness is an easily measured and valuable |  | | Book (edition) | | Rosenzwcig (deceased) (USA). Jochen Schlilter (Germany), J. Sejkora (Czcch Republic), Masaaki Shimizu...Kara-oba Mo-W deposit), Betpakdala desert. Karaganda region, central Kazakhstan. 56. 635, ZV.\.fO 99(3), 333-339...Akhtenskoe deposit. near Magnitka village. Zlatoust region. south Urals, Rus ia. 75, 93 I. /At,:s, ser. gcol...intrusion. Tscpochcchniy intrusive. dikc 08-255, Vil region. Siberia, Russia. 65, 205. ZVMO ll3. 210--215 lead...Slllimanlte. form a • ri with Kanonalte. Andalusia region. Spain A.ndalusitegroup O Andersonite. 1 a:Ca(UO:)(CO |  | | Book (volume) | | Jahrbuch fur Mineralogie ABH; Springer-Verlag (Germany) for diagrams from Contributions to Mineralogy...and McLelland, 1973). In the southern area of the region the orthopyroxene shelJ is succeeded by a partial...and spinel while in the north-east area of the region the outer shell consists of garnet. The origin...temperature, comparisons of pyroxenes from one region to another is 66 Single-Chain Silicates: Pyroxenes...water content, thus in the relatively H 2 O-rich region(> 11 weight per cent at l0kbar) 74 T(°C) Single-Chain |
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