| | Report (issue) | erythrite, melanterite, gypsum, alunite, “limonite”. Distribution: In Germany, from Freiberg, Schneeberg...Schwarzenberg, Marienberg, Johanngeorgenstadt, and other districts in Saxony; at St. Andreasberg, Harz...appearance. Type Material: Mining Academy, Freiberg, Germany, 21860. References: (1) Palache, C., H. Berman | | | Report (issue) | once yielded specimens of transparent, colorless gypsum crystals shot through with forest-green prismatic...Gremmelsbach, Oberrötenbacher Tal, Baden-Württemberg, Germany. Mintreasure specimen and photo. And before leaving...fans all over, from Johanngeorgenstadt in the Ore Mountains (Erzgebirge) of Saxony? Meta-autunite specimens...the Streuberg quarry in the Vogtland region of Saxony; or from hard-to-remember places in France or Portugal... But from the ancient mining district of Johanngeorgenstadt?! The specimen, Carsten tells us, was “found | | | Report (issue) | johannite, uranophane, soddyite, fourmarierite, gypsum. Distribution: From Jáchymov (Joachimsthal) and...and Přı́bram, Czech Republic. At Johanngeorgenstadt, Saxony, Germany. In France, from the Mas-d’Alary | | | Report (issue) | commonly of post-mine formation. Association: Gypsum, zippeite, uranopilite, brochantite, chalcanthite...Czech Republic. At Johanngeorgenstadt, Saxony, and Wölsendorf, Bavaria, Germany. From South Wheal Basset | | | Journal (article/letter/editorial) | been broken away along the perfect cleavage of gypsum ; and this fact, together with the amall point...lies I1 ~ 29' behind the basal plane e (001) in gypsum. The faces b (010) and m (110) in the prism-zone...resembling the fiat crystals of mimetite from Johanngeorgenstadt, Saxony. I Communicated by permission of the... 1918, 839. A B U T T E R F L Y - T W I N OF GYPSUM. 83 Fig. 1 reproduces a photograph, kindly taken...--Photographic reproduction of a twinned crystal of Gypsum from Girgenti, Sicily. FIG. 2.--Diagrammatic sketch | | | Journal (article/letter/editorial) | been broken away along the perfect cleavage of gypsum ; and this fact, together with the amall point...lies I1 ~ 29' behind the basal plane e (001) in gypsum. The faces b (010) and m (110) in the prism-zone...resembling the fiat crystals of mimetite from Johanngeorgenstadt, Saxony. I Communicated by permission of the... 1918, 839. A B U T T E R F L Y - T W I N OF GYPSUM. 83 Fig. 1 reproduces a photograph, kindly taken...--Photographic reproduction of a twinned crystal of Gypsum from Girgenti, Sicily. FIG. 2.--Diagrammatic sketch | | | Journal (article/letter/editorial) | Oregon; argyrodite (a silver sulphide germanate), Germany, Bolivia. On the other hand, there are many well...in Colyn region W. of r. Dniepr. ANDREASBERG, Germany, S E Oberharz mountain range, lead-zinc deposit...arsen, hormotone, analcime, desmin. FREIBERG, Saxony, Germany, old famous mineral, classic locality. Native...have been found in Annaberg, Johanngeorgenstadt, Schneeberg, all in Saxony. Here have been discovered minerals:...beautiful large halite xls, anhydrate, twins of gypsum crystals. BLEIBERG, Carnthia, Austria. Leadzinc | | | Journal (article/letter/editorial) | Locality: The Clara mine, central Black Forest, Germany. Occurrence: Associated minerals are: barite, quartz...volborthite, allophane, metatyuyamunite, roscoelite, gypsum and tangeite. General appearance: (1) tabular elongate...white quartzite. Associated minerals are: flattened gypsum crystals, radiating needles of opal pseudomorphs...haynesite, andersonite, wölsendorfite, uranophane, gypsum, calcite and montmorillonite. General appearance:...Baden-Württemberg, Germany; Ortenberg near Offenburg, Germany; and Gremmelsbach near Triberg, Germany. A natural | | | Journal (article/letter/editorial) | Aerugite, synthesis, 72; Cornwall, anal., X-ray, 72; Saxony, anal., X-ray, 72. Aeschynite-priorite series,...topotactic formation from y-CaSiOa, 347. Ankerite, Germany, topotactic decomposition of, 634. Anthoinite,...Arsenobismite, Brazil, 785. Artern, Sachseu-Anhalt, Germany, mellite, 542. ASWATHA~ARAYA~A(U.), Isotopic ages...v-CaS04. Calcimn sulphate hydrates, see Bassanire, Gypsum. Calzirtite, Brazil, 544. Campylite, Cheshire,...and carbonatite, with graphite, 963. Darmstadt, Germany, ankerite, thermal decomposition of, 634. DASGUPTA(D | | | Journal (issue) | Saxon minerals in the Terra Mineralia Museum (Germany). A group of Italian mineralogists presents a new...Massanek, Anna Dziwetzki "Unique Discoveries from Saxony" Special Exposition at the Terra Mineralia in Freiberg...Fluorite (with old labels). 7 x 5 cm. Schwarzwald, Germany. GM KFU #7461. 15-16. (on page 10). 15. Set of...f copper and iron ores, limestones, dolomites, gypsum, and other rocks. A collection of copper ores,...listed as Siberian), two from Brazil, and three from Saxony. The register also lists nine sapphires, twelve | | | Journal (article/letter/editorial) | on quartz, 2-cm crystals, from Schneeberg, Saxony, Germany. Jeff Scovil photo. Figure 4. A selection...superb yellow mimetite crystals from Johanngeorgenstadt, Germany, and many, many more world-class specimens...sedimentary environments: halite, sylvite, and gypsum are three of the several examples. During our visit...the visitor to lift the same size specimens of gypsum and barite (anchored with a small cable on a spring)...exhibits in the gallery. Carved in Idar-Oberstein, Germany, an adorable nephrite frog on a white chalcedony | | | Book | Netherlands. Back cover The museum ldar-Oberstein. West-Germany. is quaintly situated beneath the Felsenkirche...Copyright 1986 by . Ulrich Burchard, Lalling, West-Germany All rights reserved including the right of reproduction...Printed in Germany Miscellaneous: Design & Lay Out by Rainer Bode, Haltern, West-Germany Type set by...Wurzburg, West-Germany Colour separations by Litho Thungen GmbH, Thungen, West-Germany H. Bari, Musee...Printed by Sellier Druck GmbH, Freising, West-Germany 6 Gasull, Museo de Geologia, Barcelona 249; V | | | Journal (article/letter/editorial) | calcite, chalcocite, chalcopyrite, dolomite, galena, gypsum, lepidocrocite, malachite, marcasite, paratacamite... including Musen, Westphalia; Johanngeorgenstadt and Freiberg, Saxony; Richelsdorf, Hesse-Nassau; and | | | Book (volume) | geologists also in transition by both the species of Gypsum-haloide, principally the prismatoidal one, by several...Rammelsberg near Goslar in the Hartz, at Schwarzenberg in Saxony, in several mines at Schemnitz in Hungary ; also...HALOIDE. I. GYPSUM-HALOIDE. I. PRISM ATOIDAL GYPSUM-HALOIDE. 1. Axifrangible Gypsum. JAM. Syst. Vol...Vol. II. p. 615. Prismatoidal Gypsum. Man. p. 20. Gypsum. Sulphate of Lime. PHJLL. p. 174. Gips. Fraueneis...species of prismatic Gypsum-haloide, two species, Fraueneis or Sclenite, and Gypsum, used to be formerly | | | Catalog/List | 75. 17. BoRACITE. 'Luneberg, Near Hannover, Germany. A sharp t ransRarent crystal ~x~" in size, partially...2tx2xl" • £2.50. ··4- 42. EULYTINE. Johanngeorgenstadt, Saxony, Germanv. Small, sharp, coffee coloured...- 1xl". £2.25; Specimen B - -txi". £1.50. 51. GYPSUM. variety SELENITE. Eagle Picher Mine, Niaca, Chihuahua...SCoRoDITE. Schone Aussicht Mine, Dernbach, Nassau, Germany. Lustrous, well formed light greenish crystals | | | Journal (issue) | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim............................................ 2 Germany An historical perspective on silver mining in G...Baden-Badener-Strasse 3 D-6900 Heidelberg 1 West Germany # I ----------- — ------------------ Hermann...Leyerzapf Brunnen-Strasse 12 D-6236 Eschborn 2 West Germany erman mines have been yielding up prodigious amounts...St. Andreasberg, Schneeberg, Annaberg and Johanngeorgenstadt, among others, have also produced superb | | | Journal (article/letter/editorial) | with other secondary uranium minerals, uraninite, gypsum, and sulfide minerals at the Apex uranium mine...and Johanngeorgenstadt, Zschopau, and Falkenstein, Saxony; the Pucher shaft at Schneeberg, Saxony; the...available from the Steuberg quarry at Bergen, Vogtland, Saxony. Although Italy and Austria are not noted for outstanding | | | Book (volume) | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). Translation This book has book of but ...395 Group Barytes 395. Celestite 398. 400 Gypsum and Anhydrite Hydrous 412. allied Minerals. ...77. Barytes II. 78. Celestite, 79. Gypsum I. Gypsum II. Crystallites enclosures spar; Felspar...Co. prism faces Germany. Cube crystal-form. Weardale, 5. of Harz, The Germany. (bright crystals...the a with eye special The piece all the gypsum positions, differ alone, in the but never | | | Book (edition) | having a fibrous structure. The fibrous formsof gypsum and carbonate of lime, commonly known as satin.... common foliated variety. 2. Rock salt . or gypsum . 8. Calc -spar . transparent variety . 4. Fluor-spar...represents a common combination met with in crystals of gypsum , the forms present being the negative hemi-pyramid...Unknowo nknown • W4 ulfenite X X ,|Epsomite Gypsum . ,Artificial Rare lClinohedrite .,l .[Rare .2Axinite...continent of Europe, especially in some parts of Germany and Hungary, usually retainscoal” well-misarked | | | Book (edition) | Bulgaria, G SphaJerite. xx 12 mm, Morococha, Peru, H Gypsum, xx 40 mm, Las Salinas, Peru, H Variscite, xx 5...ability of an opaque mineral to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho-...the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit, Herault dept.. France... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur | | | Journal (issue) | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...masses were pulled out intact. Dolomite, calcite and gypsum are among the gangue minerals. McIntosh The McIntosh...thumbnail>ize specimens of aragonite, hemimorphite and gypsum. Near the entrance to the main Monte Cristo adit...vugs. Individual crystals are unknown. Gypsum C aS 0 4-2H20 Gypsum occurs as clear to white tabular crystals...shortprismatic euhedral crystals at Johanngeorgenstadt, Erzgebirge, Sach sen, Germany. Clinomimetite has a pale | | | Book (volume) | transparent and transparent. It is as hard as gypsum , or even harder, but not so hard as calcareous-spar...Situation . It is sometimes found in transition gypsum in the tran sition -slate of the Allee Blanche...; and small quantities of it occur in the flætz gypsum in the Segeberg , near Kiel in Holstein . Geographic...radiated gypsum . Rock -salt also occurs at Droitwich in Worcestershire. In the north of Germany, rocks...farthest limit of the salt -beds on that side of Germany. OR. 1. Fos. SALTS.) $ P . 1. HEXAHEDRAL ROCK | | | Journal (article/letter/editorial) | ankerite, 634. Eifel, Rheinland: leucite, 596. Johanngeorgenstadt, Sachsen : aerugite, xanthiosite, 72. B r...Sun colliery, Bac~worth, Northumberland: baryte, gypsum, halite, marcasite, pyrite, sideronatrite, 983 | | | Book | answer the purpose extremely well, and are sold in Germany at a — — — — very cheap rate. Besides occurring...perfectly distinct, as in 2. through 3. Quartz and Gypsum. Subtransparent, or semitransparent : it do not...5. Silky, or like silk. is apparent in fibrous Gypsum and Satin Spar. When combined in the same mineral...1. 2. 3. 4. Talc : the common laminated green Gypsum : a crystallized variety. Calc Spar : a transparent...for the recognition- of lithia, boracic acid, and gypsum. " 9th. Lead in a pure metallic state. " 10th Bone-ashes | | | Book | Editions Minerva S. A. Gendve, 1976 Printed in West-Germany 4 I I Preface Rather than a manual of mineralogy...or in caves: this is true of salt, the borates, gypsum, etc. —Lastly, crystals may also form through sublimation...phosphate deposits at Lahn-Dill Hesse, Nassau (Germany). 7 - Brazilianite (Corrego Frias, Minas Gerais... Mexico): 4 cm. 3 - Wavellite (Hesse, Nassau, Germany): 5 cm. 7 ■ ’ ; aS - J 40 w — ' r*^z...crystals; —as a result of the reduction of sulphates (gypsum) in closed evaporation basins, with a high content |
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