 | | Report (issue) | | Jennite Ca9Si6O18(OH)6·8H2O Point Group: 1 . Crystal Data: Triclinic. or as fibrous aggregates. As...Lazio, Italy. In Germany, from the Bellerberg volcano, two km north of Mayen, Eifel district, and fine crystals...crystals from the Zeilberg, near Maroldsweisach, Bavaria. In the Hatrurim Formation, Israel. In the Wessels...A. Gard, K. Speakman, and H.F.W. Taylor (1966) Jennite, a new mineral. Amer. Mineral., 51, 56-74. (2)...Cliff, and G.W. Lorimer (1977) A reexamination of jennite. Amer. Mineral., 62, 365-368. (3) Kusachi, I., |  | | Report (issue) | | near Brenk, Eifel district, and on the Zeilberg, near Maroldsweisach, Bavaria, Germany. At Campomorto,..., C. Henmi, and K. Henmi (1989) Afwillite and jennite from Fuka, Okayama Prefecture, Japan. Mineral. |  | | Journal (article/letter/editorial) | | in the space groups C1 and Cc, respectively: the lower symmetry, with respect to the OD models, is connected...Å), with data collected using a specimen from Zeilberg. Both studies pointed to the presence of tetrahedral...specimens of tobermorite from Ballycraigy and Zeilberg, respectively, pointed to single wollastonite...Ballycraigy and by Hamid (1981) for tobermorite from Zeilberg. Consequently we retain that also “normal” tobermorite...tobermorite from Ballycraigy (and tobermorite from Zeilberg as well) present the same OD features and the |  | | Journal (article/letter/editorial) | | of Mull in the Hebrides Archipelago) and from a quarry near Dunvegan in the island of Skye. Afterwards...Hamid (1981) who, working on samples from Zeilberg (Germany), determined unit cell dimensions a = 11.172...distances are not given as they merely confirm, with lower precision, the structural fea- Fig. 6. Crystal...and W3 form strong hydrogen bonds with O6 on the lower side, relatively to the reflection plane. Thus both...situation occurs when Ca2 cations are located on the lower side, relatively to the symmetry plane, with W1 |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur on...Sankt Christoph mine, near Breitenbrunn, Saxony, Germany, and many localities in the Alps, e.g. on Grossgreiner |  | 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...produced may result in observed optical character of lower symmetry than is expected for the crystal’s ideal |  | | Book (volume) | | octahedra (M-octahedra) by additional D-octahedra with lower-force characteristics (D ¼ Fe, Mg, Mn or Zn) in...points in Fig. 1.8 is due mainly to the presence of lower-force-strength cations (Ca and Na) in the D site...(Specord 75 IR or Specord M80, Carl Zeiss, Jena, Germany), Perkin Elmer 1600 Series FT IR spectrometer or...FT IR spectrometer (Bruker Optics, Ettlingen, Germany). IR spectrum of a pure KBr disc was subtracted... Pegmatite Field, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province |
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Zeilberg Quarry, Maroldsweisach, Haßberge District, Lower Franconia, Bavaria, Germany