 | | Journal (issue) | | Osterreich€ 7,90 •Niederlande/Belgien€ 8,20 • Schweiz CHF 13,50 Der Hopffeldgraben im Pinzgau, Österreich...wesentlich mitgestaltete Buch ,,Mineralienlexikon der Schweiz" (erschienen 1998) ist ein Standardwerk der alpinen...sind in München eher Mangelware. Doch „Himalaya Quartz Ptv. Ltd." aus Nepal hatte diesmal einen herrlichen...Bergkristall-Stufe aus dem gleichen Fund. Himalaya Quartz pty. Ltd. Fotos Bode. schienen uns auch bis etwa...vom „Jahrhundertfund" am Planggenstock in der Schweiz zur Besichtigung dieser außergewöhnlichen Zusammenstellung |  | | Journal (article/letter/editorial) | | occurs in banded quartzite and stockwork bodies of quartz veinlets with minor molybdenite, beryl and variable...biostratigraphically dated Silurian dolomite bands of "diabase", quartz-porphyry and pods of serpentinite, which in comparison...age contain stratiform and discordant Cu- (Au-) quartz veinlets. Within the metamorphic rocks of the M...Cu-Ag fahlores in the Eastern Greywacke Zone (Johnsbach) and Pb-Zn-Ba deposits near Graz (WEBER 1977)...(NIEDERMAYR & SCHROLL,written communication, 1983), W-quartz veinlets in the Penninic, - Li (-U) pegmatites |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...lava solidified into a black rock, containing no quartz but rich in the feldspar minerals pyroxene and...other minerals that sometimes occur in this way are quartz, pyroxene and olivine. A common type of traprock...its coarse grain structure. It contains mostly quartz and orthoclase feldspar with some smaller amounts...cases. Syenite is similar to granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker |  | | Journal (issue) | | D-85238 Petershausen, Germany 2. Theresienstr. 12, D-82319 Starnberg, Germany ABSTRACT: The patterns...networks. 321 Introduction A steriated quartz, especially rose quartz, has been known for more than a century...of the quartz crystals. Rarely, twelve-rayed stars are also observed in quartz or rose quartz (Cassedanne...Figure 1). Occasionally, complete spheres of rose quartz show additional, mostly weak light bands that are...Sphere of very lightly coloured Brazilian rose quartz revealing twelve-rayed asterism. The diameter of |  | | Book | | the country rock, marked by exposures of white quartz or calcite, and by colourful minerals produced...these veins often reflect the country rock, with quartz being dominant where the host rocks are silicates...England, through the Schwarzvald and Ardennes of Germany, the Erzgebirge and Bohemian massifs of the Czech...exhalative orebodies of the Rammelsberg type in Germany. The post-Variscan platform of north-central Europe...stretching from eastern England across Holland and Germany as far as Poland. This thin layer of black shale |
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Johnsbach, Glashütte, Sächsische Schweiz-Osterzgebirge, Saxony, Germany