 | | Journal (issue) | | quality and water-rock interaction in the Harz Mountains (Germany) E. Bozau, H-J. Stärk, G. Strauch & C....Thermal water spring, showing sinter of iron-rich calcite. Participant of the EAGE/EFG photo contest 2015...Gerhard Strauch and Claudia Swanson Les montagnes du Harz, célèbres pour les anciens travaux miniers de recherche...eau potable. La qualité de l’eau des montagnes du Harz est conditionnée principalement par la déposition... la grauwacke et le calcaire. Las montañas del Harz, conocidas por la minería antigua de plata y de |  | | Book | | in crystal form, e.g. the many crystal forms of calcite. Perfect models of crystals are only confusing...are some rocks (such as marble, composed only of calcite crystals) which are chemically homogeneous but...fissures. Well known minerals, such as quartz and calcite, originate at this stage and are known as /iydrothermal...is liberated, which may affect the neighbouring calcite, changing it into gypsum or into a whole series...chemical composition. Rock salt, sylvine, gypsum, calcite and some iron ores, such as chamosite, also originate | | | Book | | in crystal form, e.g. the many crystal forms of calcite. 7 a i ■ I II I g 1 I I3 . Perfect models...arc some rocks (such as marble, composed only of calcite crystals) which are chemically homogeneous but...fissures. Well known minerals, such as quartz and calcite, originate at this stage and arc known as hydrothermal...is liberated, which may affect the neighbouring calcite, changing it into gypsum or into a whole series...chemical composition. Rock salt, sylvine, gypsum, calcite and some iron ores, such as chamosite, also originate |  | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). PRECIOUS The Precious Stones. Precious...hollowed out The vacant. man form the on left Germany with to be have posture greater a window...find Kimberley. Colony The projected the Du mine, serpentine and and where absence beginnings...and depths therefore in rush the afterwards mine, completely brecciated and fragmented, to in...discovered at of Vaal Kimberley mine when steam magnesium silicate, mine, and water funnel all of |  | | Book (edition) | | edition of the work, aud to soeh additionB pre- on Mine- make to it as later discoveries might render...crystal thus the &ectiona of the cleavagea of calcite, which, at the ordinary temperature of the atmoaphere...aflbrds an instance of &ces of union, and galena and calcite examples of cleavage include under the head of...directions to be noticed presently. In some crystals, calcite and arac:onite, for example, the duul)lv-refractive...dichroiscopic It eonsissts of a elen\ age rhombohedron of calcite A, prism. having one edge nc^arly an inch long |  | | Book | | Binding: Lüderitz & Bauer, Berlin. Printed in Germany. Dedicated to my former teacher and friend Professor...Grigoriev (U.S.S.R) Prof. Dr. F.K. Drescher-Kaden (Germany) Mr. D. Minatidis (Canada) Dr. E. Mposkos (Athens)... Dr. Thesis, University of Frankfurt am Main, Germany. Fig. 551, by Wager and Deer from Theoretical Petrology...relatively low dissociation-pressure as compared with calcite, has not normally been prevented from reacting...with the cleavage direction of the granoblastic calcite of the marble in which the olivine has been formed |  | | Journal (issue) | | Wittichen und seine Mineralien • Neue Funde aus Eifel, Harz und Schwarzwald • Ein Euklas-Neufund aus der Schweiz•...ein aktuelles Bild der Geologie für den gesamten Harz zu zeichnen und einen Abriß über den Stand der ...Der Mangel einer wirkungsvollen Vernetzung der im Harz arbeitenden Forschergruppen wird auch bei der Darstellung...Schreibweise verschiedener Unterharzer NEUERSCHEINUNG HARZ: B. Dallosch/R. Bode Die Mineralien des Harzes...Anzahl schöner Rhodochrosite von der Sweet Horne Mine in Colorado, große Bertrandite aus Brasilien, Axinit |  | | Book | | ; A light is reflected. The word crystal in mine Faces, edges, angles, axes of Crystals. ralogy designates...axinite, prelmite, boracite, tourmaline, cala- mine, topaz, titanite, calc-spar, beryl, barytes, fluor...above), occurs at Breitenbrunn Saxony, Kupferberg Silesia, in the Harz, and in fine crystals on the Cedar...Ceylon and Malabar, but also occurs at Treseburg in the Harz, Hof in Bavaria, &c. The Avanturine yellow...crystallized at Sundvig, Westphalia, and Eibenstock, Saxony. (2.) Jasper (jaspis, Werner ; quarzjaspe, |  | | Book | | feldspars, amphiboles, pyroxenes, micas, olivine and calcite. These minerals form rocks, and rocks are the basic...formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals are present in the...a later stage with different minerals, such as calcite, quartz and chalcedony. Many minerals arise from...give rise to various minerals, such as aragonite, calcite, chal cedony and cinnabar. On the surface of the...Rosiwa l 100 1000 10 000 100 000 talc gypsum calcite fluorite -- apatite orthoclase - --=====------- | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...feldspars, amphiboles, pyroxenes, micas, olivine and calcite. These minerals form rocks, and rocks are the basic...formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals are present in the...a later stage with different minerals, such as calcite, quartz and chalcedony. Many minerals arise from...give rise to various minerals, such as aragonite, calcite, chalcedony and cinnabar. On the surface of the |  | | Book (volume) | | 511 Malachite.524 Chessylite.527 Satin-spar (Calcite, Aragonite, and Oypsum) 527 Fluor-spar.528 Apatite...KIMBERLEY DIAMOND MINE IN 1872 . . 197 PLATE VIII. (Facing p. 202.) KIMBERLEY DIAMOND MINE IN 1874 . ,,...200 PLATE V. . . . (Facing p. 152.) DIAMOND MINE AT PANNA, INDIA . PLATE II. 78 . „ 341 cut... „ the same, cut ., pale yellow crystals : Saxony 3a. 4. ,, the same, cut . 331, 333 331 333...mica-schist burg ., 8, 9. Emerald, crystal in calcite : Colombia 308, 314 2. Tourmaline, green crystal |  | | Journal (article/letter/editorial) | | 3,3 : 1. P l u m b o c a l c i t . Die meisten Calcite von Leadhills enthalten PbC03, am wenigsten die...Eine in der Grube »Güte des Herrn« zu Lautenthal im Harz fliessende Soolquelle, welche neben Chlornatrium...Diabas in der Nähe des Contacts mit Granit, so bei Treseburg auf einer 0,3 m mächtigen Kluft mit Quarz, Calcit |  | | Journal (volume) | | so gehören diese Durchschnitte einem rhombischen Mine; , rale au. Ausser diesen Durchschnitten sieht...er endlich beim Bastit ebsky untersuchte. aus dem Harz, welchen später auch Der negative Axenwinkel des...in Ol zu 81°. Websky fand für den Bastit aus dem Harz 74° 10'. Descloizeaux für einen Biistit gleichen... Mineralvorkoinineii bei Grossan. dem schönen Thale von Reichenau an der Grenze der Steiermark längerer...den g-rossen Quarzkrystallen, auch fand ich die Calcite auch auf den Bleiglanz-Hexaedern und Baryte unmittelbar |
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