 | | Journal (issue) | | • Email: info@kristalle.com Harz Mountains, Germany by Günter Grundmann Thomas P. Moore Wendell E... Moore COVER: PROUSTITE, 3.5 cm, from St Andreasberg. Germany, found in 1899; ex collection of Richard... Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany .............(Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany Günter Grundmann Eschenweg...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: |  | | Book | | Vienna. Lower left: Cobaltocalcite group. from Lerida. Spain. Folch collection. Barcelona. Lower right:...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 |  | | Journal (article/letter/editorial) | | and Fossil Areas In Germany By DR. WERNER LIEBER Dante Str. 50, Heidelberg, Germany In the January-February...to find out if there are any mineral clubs in Germany. Since this number of R&M was sent to the readers...situation here in Germany. The last question of Mr. Carter is very easy to answer. In Germany exists one club...the association is Dante-str. 50, Heidelberg, Germany. The club publishes a monthly magazine for collectors...time 1,600 members. About 90% of them live in Germany, the other 10% live in Holland, Austria, Switzerland |  | | Journal (issue) | | Articles Minerals of the Espirito Santo Pegmatite District, Eastern Brazil.. ......697 by M. L. Chaves, A... THE T U CSON FINE M INER AL G A L L ER Y 465 W ST MARYS RD, TUCSON, AZ 85701 THE TUCSON GEM & FINE...VENTURES Minerals of the Espirito Santo Pegmatite District Eastern Brazil Mario Luiz de Sá C. Chaves1 Andrea...decorate their faces, attaching them under the lower lip and on the cheeks. Inspired by the existence...merchants. But by 1900, settlement along the middle and lower Rio Doce Valley was still almost non-existent. The |  | | Catalog/List | | / D. .Ml. £8.00 8 ARSENIC, Hartz Mountains, Germany. With arsenolite. XR. GRF. SMI. £8.00 9 ATACAMITE...RWb. GRF. C. £8.00 11 12 ARSENOPYRITE. Saxony, Germany. XR XX < 4mm. GRF. Ml. £10.00 13 ALLOPHANE...metallic SP. RF. C. £10.00 17 SODALITE, Ankole district Uganda. Blue XR. MA. RWB. VGRF. C. £10.00 18... RWB. GRF. M. £14 00 30 KESTERITE, Cigga Mine. St Agnes, Cornwall. Rare* Dark grey metallic MA. GRF...GRF. Ml. £14.00 31 CASSITERITE. Zinnwald. Germany SX. D TN £14.00 32 KOUTEKITE. Cerny Dul. Czecnoslovakia |  | | Journal (article/letter/editorial) | | mine - Johannes Gruve - in the Kongsberg silver district of south Norway. Physical data and chemical anaÂ...mine - Herzog Ulrich Gruve - in the Kongsberg district and two not exactly well known localities in Numedal...the dumps of Johannes Gruve in Kongsberg silver district. History Naumannite is a rather rare mineral...(1828) from Eskebomer Stoll, Tilkerode, West Germany, where it occurs in dolomitic dikes. The presented...(1920) on material from DeLamar Mine, Silver City district, Idaho. Geilmann & Rose (1928) reported naumannite |  | | 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...Batopilas Famous mineral localities: the Batopilas District, Chihuahua, M e x ic o .........................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 |  | | Book (edition) | | Galaxite IV/B.01-30 604 Gahnite IV/B.01-40 606 Magnetite IV/B.02-20 608 Jacobsite IV/B.02-30 610 Franklinite...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 |  | | Journal (article/letter/editorial) | | EVOLUTION AT THE WENZEL HYDROTHERMAL DEPOSIT, SOUTHERN GERMANY: IMPLICATIONS FOR THE FORMATION OF KONGSBERG-TYPE...Tübingen, Wilhelmstrasse 56, D–72074 Tübingen, Germany Abstract The post-Variscan Wenzel vein-type deposit...deposit near Wolfach, in the Black Forest, Germany, the type locality of the Ag–Sb alloy dyscrasite, was...27–30 wt.% NaCl eq., whereas later calcite has lower salinities, 3–10 wt.% NaCl eq. The initial temperatures...deposit, Kongsberg-type deposits, Black Forest, Germany. Sommaire Nous avons entrepris une étude du gisement |  | | Journal (article/letter/editorial) | | Rammelsberg massive sulphide Cu-Zn-Pb-Ba-Deposit, Germany: an example of sediment-hosted, massive sulphide...Braunschweig, Germany E. Walcher Consulting Geologist, Pointweg 7, D-95652 Waldsassen, Germany (previously...(previously Chief Mine Geologist, Preuûag AG Metall, Goslar, Germany) deposits in this class, and the Rammelsberg...was the basis for the development of the city of Goslar, which is located immediately to the north of the...residence was built for their frequent visits to Goslar. In 1859 the discovery of additional resources |  | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As many...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a po}Vder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...minerals. For instance, some minerals (such as magnetite) have magnetic properties of their own, while | | | Book | | specific gravtly are again defined as groups for the lower sectton of the mulucolored margin bar. As many minerals...minerals as possible are mcluded m each group The lower section of the margm bar is fitted w1th a scale...crystals. and weathered surfaces can g1\'e a false lower hardness After the te\l scratch, a powder-hke residue...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...minerals. For instance, some minerals (such as magnetite) have magnetic properties of their own, while |  | | Report (issue) | | calc-silicate minerals. Association: Quartz, magnetite, hedenbergite, sphalerite, °uorite. Distribution:...Greece. In Germany, at St. Andreasberg, Harz Mountains; near Herborn, Hesse; and Schneeberg, Saxony. In Norway |  | | Journal (issue) | | or individual specimens. CRYSTAL CLASSICS 465 W St Marys Rd, Tucson, Arizona 85701 crystalclassics.co...Balmat, St Lawrence County, New York, USA Photo Credit: T Spann DYLAN STOLOWITZ 4 2 7 Main St reet |...County, California Mark Ivan Jacobson 1714 S. Clarkson St. Denver, CO 80210 markivanjacobson@gmail.com The...the specimen. The future dragon’s head is to the lower right with future feet on the left. Note the temporary...glue coating the outermost matrix rock face on the lower left to reduce vibration damage during transport |  | | Catalog/List | | BARSTOW 26, Tregeseal, st. Just, Near ~enzance, Cornwall, England. TEL. NO.: St. Just 880 (STD ffi3 677)...smaller Anglesite crystals. 2x2xl~". £17.00. APATITE. st. Gotthard, Ticino, Switzerland. Specimen A - Select...2txlt-xl". £8.00. ATACAMITE. Copiapo, Atacama District, Chile, Lustrous, deep green, flattened crystals...".£2.50. 12. BEUDANTITE.· Penberthy Crofts Mine, St. Hilary, Cornwall. Sparkling, golden, to pale brownish...lxl". £1.50. CHALCoPYRITE. Dreislar, Sauerland, Germany. Specimen A - Bright golden sharp twinned crystals |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where...incident beam are retarded by passing through to the lower side of the film, rejoining the main beam either...forms part of an important and extensive mining district. Details of the names of species are taken largely...Found at the Pelican Dives mine, Silver Plume district, and Little Emma mine, Clear Creek County, Colorado | | | Book | | one that will again defined as groups for the lower sec- 2< make a positive identffica- tion of the...characteristic—also weight of a specific mate- The lower section of the margin bar is rial compared with...crystals, and weathered surfaces can give a false lower hardness. Metal holders in which mineral chips...Tarnish, discolorations, and weathering tion at the lower edge of the crystal can be observed with the naked...minerals. spar, and heavy spar (barite). (such as magnetite) have magnetic prop- For instance, some minerals | | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As man y...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a powder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked...minerals. For instance, some minerals (such as magnetite) have magnetic properties of their own, while |  | | Journal (issue) | | Institute of Romania Essaid Bilal, Ecole des Mines, St. Etienne, France M. S. Pandian, Pondicherry University...Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...and engineering staff, many of them educated in Germany. The collection has been added with new gold specimens...exhibited at the Mining Museum in Heidelberg – Germany. Numerous samples illustrate a variety of assemblages...unit. For instance, in BradSăcărâmb metallogenic district, the Au:Ag ratio is relatively uniform (45% to |  | | Journal (article/letter/editorial) | | also occurs at the Empire mine in the Tombstone district, Cochise County; in the Old Reliable and Magma...Goodspring district in Clark County; associated with chenevixite and cornwallite in the Weepah district, Eureka...quartz vein cavity in the South pit. In the Tintic district, Juab County, olivenite commonly occurs as cavity...is in fact reputed to be the Carharrack mine near St. Day in Gwennap Parish. These mines provided eighteenth-century...olivenite occurrence is at the Penberthy Croft mine near St. Hilary (Betterton 2000). Here, it occurs in a wide |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite...pyrite, Pl. 10 halite, Pl. 11 fluorite, Pl. 13 magnetite, Pl. 31 garnet, P!. 43 !eucite and analcite,Fig |  | Staude, Sebastian, Werner, Wolfgang, Mordhorst, Teresa, Wemmer, Klaus, Jacob, Dorrit E., Markl, Gregor (2012) Multi-stage Ag–Bi–Co–Ni–U and Cu–Bi vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid evolution. Mineralium Deposita, 47 (3) 251-276 doi:10.1007/s00126-011-0365-4 | Journal (article/letter/editorial) | | vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid...Co–Ag–Bi–U mining area (Schwarzwald ore district, SW Germany) hosts several unconformity-related vein-type...Universität Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany e-mail: markl@uni-tuebingen.de W. Werner Regierungspräsidium...Bergbau (LGRB), Albertstr. 5, 79104 Freiburg i. Br., Germany U–Bi, Bi–Ag, Ni–As–Bi and Co–As–Bi. Important...to highly saline (around 25 wt.% NaCl+CaCl2) at lower temperatures (50–150°C) in Triassic to Cretaceous |  | | Journal (article/letter/editorial) | | from the early kingdoms that settled around the lower and middle Mekong River (fi fth to ninth centuries)...sandstone is consistent with the upper portion of the Lower–Middle Jurassic Terrain Rouge Formation of Cambodia... north of Angkor, and form the main quarrying district that served the capital of the Khmer empire for...amount of ferrimagnetic minerals (predominantly magnetite) present within the probed volume of rock, has...example is the Freiberg district, in the Erzegebirge metallogenetic province of Germany, where indium enrichment |  | | Book | | mineral deposits are formed, such as those of magnetite and chromite. During the next stage of crystallization...crystals. Bottom row: quartz crystals 16 Top row: magnetite Crystals with even faces do not often occur...results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...between that of the sample and that of the next lower grade. In this case we consider the hardness to...Different scratch hardness on kyanite 20 somewhere lower grade adding a half-grade to it. Although the determination |  | | Book | | mineral deposits are formed, such as those of magnetite, ilmenite, chromite, pyrrhotite, chalcopyrite...Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...contactmetasomatic mi neral s originate (eg vesuvianite, magnetite, pyrrh otite and chalcopyrite} . If, during v...as gold, platinum , cassiterite, w olframite, magnetite or garnet, become concentrat ed. Furthermore,...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is |
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