| Stahle, V., Koch, M., McCammon, C. A., Mann, U., Markl, G. (2002) OCCURRENCE OF LOW-Ti AND HIGH-Ti FREUDENBERGITE IN ALKALI SYENITE DIKES FROM THE KATZENBUCKEL VOLCANO, SOUTHWESTERN GERMANY. The Canadian Mineralogist, 40 (6) 1609-1627 doi:10.2113/gscanmin.40.6.1609 | Journal (article/letter/editorial) | HIGH-Ti FREUDENBERGITE IN ALKALI SYENITE DIKES FROM THE KATZENBUCKEL VOLCANO, SOUTHWESTERN GERMANY VOLKER... Im Neuenheimer Feld 236, D-69120 Heidelberg, Germany CATHERINE A. MCCAMMON Bayerisches Geoinstitut...Geoinstitut, University of Bayreuth, D-95440 Bayreuth, Germany UTE MANN AND GREGOR MARKL Institut für Mineralogie...Wilhelmstr. 56, D-72074 Tübingen, Germany ABSTRACT Freudenbergite (Na2Fe3+2Ti6O16) occurs in peralkaline...peralkaline alkali syenite dikes at Katzenbuckel, southwestern Germany, in association with lorenzenite, pyrochlore | | | Report (issue) | Na2 (Ti, Fe3+)8 O16 Freudenbergite c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: mm...822(2) c = 6.500(3) X-ray Powder Pattern: Michelsberg, Germany. 3.63 (100), 1.911 (90), 3.10 (80), 3.02...19.1 0.1 8.1 0.1 Total 98.67 100.3 (1) Michelsberg, Germany; by electron microprobe, total Fe as Fe2...Distribution: Germany. Name: Found at Michelsberg, on the Katzenbuckel, Odenwald, Baden-Württemberg...Professor Wilhelm Freudenberg (1881–?), who studied Katzenbuckel rocks. Type Material: n.d. References: (1) | | | Journal (article/letter/editorial) | Geijer, Swedish geologist. Fr,rrscrmn Mrcnelr Freudenbergite Grnneno Fnnrznr,. Ein neues Mineral: Freudenbergit...in an apatite-rich alkali syenite from Michelsberg, Katzenbuckel, Odenwald, as small, mainly xenomorphic...feldspar 4, freudenbergite 2, plus traces of biotite, hematite, ilmenite, and sphene. Freudenbergite occasionally...Ta. Guinier photographs and powder data show freudenbergite to be hexagonal, a 9-62, c 2 2 . 4 0A , c /...considerably Indexed r-ray powder data are given for freudenbergite; the strongest lines are (s-vs)(2350), 3.01s(s) | | | Book (edition) | 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...Rieger cengeologie, Luisenstr. 37, D-80333 München, Germany Dr. Thomas Seifert TU Bergakademie Freiberg, Institute | | | 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 & | | | Book (edition) | Canada; Mexico; Bolivia; Czechoslovakia; Norway; Germany; Tsumeb; Namibia; Chanarcillo, Chile; and Broken...occurrences are found in Chile, Italy, France, Germany, Turkey, and Algeria. SELECTED REFERENCES: Palache...also found at Johanngeorgenstadt, Saxony, East Germany. SELECTED REFERENCE: Davis, R. J., Hey, M. H.,...the floor of the 910 foot level of the Commercial Quarry, Crestmore, California, associated with quartz...Ireland; and in the Laacher See District, West Germany. SELECTED REFERENCE: Switzer, G., and Bailey, E | | | Book (edition) | Mexico (#2, column 1) and TENNANTITE, Dresser quarry, Walton, Nova Scotia, Canada (13, column 2). ...Prof. of Mineralogy, University of Cologne, West Germany; Curator of The Mineralogical Museun1. A dear friend... Mineralogical Museum, University of Cologne, Germany Mineralogical Museum , University of Berne, Switzerland...also found in Canada, Mexico, Czechoslovakia, and Germany. Acanthite is stable below 179°C. (Argentite is...occurrences are found in Chile, Italy , France, Germany, Turkey , and Algeria. BEST REF. IN ENGLISH: Palache | | | Book | Saint-Hilaire pluton 36 Geology of the Poudrette quarry Miarolitic cavities in nepheline syenite Sodalite...progressed well through repeated visits to the operating quarry and collaborations with visiting professionals...chiseling away at the quarry walls. Intrigued, they later ventured into the quarry and discovered what...the search continues; their latest visit to the quarry took place in July 2018. Additions were made to... This small unassuming hill with a dusty stone quarry on its north flank, which some enthusiastic collectors |
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