 | | Journal (issue) | | Behnke Northbrook, IL Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...GWINDEL, 9.5 cm, from the G scheneralp, Uri, Switzerland. Daniel von Fl e collection; photo by Thomas...in particular those from Savoy (France) and Switzerland, is unavoidable because of the close similarity...investigations and musings while traveling in Switzerland. More than 70 pages of the second volume of Alpenreise...C. S. Weiss on specimens from St. Gotthard, Switzerland. uite accurately this observer noted that the |  | | Journal (issue) | | cutting coarse-grained reddish granites of the hilly region thereabouts, known geologically as the Llano Uplift...Liubao, Wuzhou Prefecture, Guangxi Zhuang Autonomous Region, China. Don and Laura Aaron photo. Drusy quartz...Almagro, EI Salado, Chaiiaral Province, Atacama Region, Chile. Don and Laura Aaron photo. Calcite, 3...the Sidi Lahcen mine, Nador Province, Oriental Region, Morocco. (right: under shortwave ultraviolet light)...photo. Prehnite epimorph after anhydrite with chalcopyrite, 12.5 cm, from Prospect Park Quarry, Prospect |  | | Journal (issue) | | the largest total inventory of minerals for the region, the Gallerie Patriot, a private museum in nearby...Past: The Natural History Museum of Winterthur, Switzerland Construction of the Second Gotthard Strassentunnel...Naturmuseum of St. Gallen, Switzerland The Museum d'Histoire Naturelle, Geneva, Switzerland The Moravian Territorial...Africa South Africa Switzerland Switzerland Switzerland Switzerland Switzerland Switzerland Tunisia UAE UK...River nr Yellowknife, Slave Craton Gowganda-Colbalt Region Cobalt Kamloops Lake Nelson Mining Division Diavik/Ekati |  | | Journal (article/letter/editorial) | | twin of cerussite (10.8 cm) from Tsumeb, Otjikoto region, Namibia. Conan Barker specimen. Figure 26 (right)...from Sponda Alp—Pizzo Forno, Leventina, Tessin, Switzerland, is a classic metamorphic example of epitaxy...Galenstock, Uri, Switzerland. Scott Rudolph specimen. Figure 29. Closed gwindel (2.8 cm) from Val Giuv, Tujetsch...Tujetsch, Graubünden, Switzerland. Bill Larson specimen. Figure 27. Faden quartz (11.4 cm) from Kofu City...cm) from Cavradi Gorge, Tavetsch, Graubünden, Switzerland. Diane Francis specimen. Figure 38. Albite feldspar |  | | Journal (article/letter/editorial) | | labeled the specimen Val Milar, Switzerland. The specimen actually was from Val Giuv, but there would be...or porphyric. In hand specimens, feldspars, chalcopyrite, pyrite and dark minerals disseminated in an...reac tion which results in the alteration of chalcopyrite, feldspars and apatite gives turquoise and this...and has been formed in the following manner: Chalcopyrite has liberated copper oxide by the action of |  | | Journal (article/letter/editorial) | | CH-4001 Basel, Switzerland and Mineralogical Institute of the University CH-4056 Basel, Switzerland Probably...the Alps-and spent most of his spare time in this region and who, moreover, dedicated most of his scientific...excavations in GalloRoman sites in southern Switzerland (Canton Valais, Binn) several crystal treasures...in several large natural history museums in Switzerland and abroad were assembled (for example, the outstanding...underlying calcareous marine sediments in the nappe region. Consequently, the water was greatly enriched in |  | | Book | | and others discuss inclusions in quartz from this region. Alpine type parageneses are also known from North...BUKANOV 1995). Mit Einschlüssen in Quarzen dieser Region befasst sich u.a. SKOBEL (1996). Alpinotype Paragenesen...inclusions of sulfides (such as arsenopyrite, chalcopyrite, pyrrhotite and sphalerite), helvite, siderite...vom Val Giuv, Tavetsch, Schweiz. Tubes in a 5.5 cm quartz crystal. Val Giuv, Tavetsch. Switzerland. As... just in USA, deposits similar to the Herkimer region are known from Alaska, Arkansas and Texas. CH4-rich |  | | Book | | the private Bally foundation at Schonenwerd, Switzerland; and the Folch Museum at Barcelona, Spain. Because...Germanspeaking countries (Germany, Austria, Switzerland). The reasons for this are partly because they...should be of specimens from localities within the region of that museum, or at least from the country concerned...rose", 10cm across, from Fibbia, St Gotthard, Switzerland. lnstitut fur Mineralogie und Lagerstattenlehre...FRG Brosso, Piemonte, Italy Piz Aul, Wallis, Switzerland 1 Room 1 0a 2 3 5 6 Tsumeb, Namibia Agrigento |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...9: 1 (Gaines, 1971; Pimentel er al., 2009). SWITZERLAND Maderanertal east of Arnsteg, Uri. In the world...in numerous localities in Switzerland, it is only in the Maderanertal region of east-central Canton Uri...to Val Caverdiras; ilmenite rose-bearing clefts are found fairly commonly throughout this region, such...about 20 other quartz mines are operated in the region of the Subpolar Urals, northwest of Saranpaul, |  | | Journal (issue) | | feldspar crystals. INTRODUCTION The South American region known as Patagonia, a barren tableland between...called “the Pampas”—a very rugged and windswept region which nevertheless is home to various flora and...in 1985 in order to maintain possession of the region and its tourism income. In the summer months the...potentially lethal enterprise. The strong winds in this region reach around 150 kph (90 mph) and over. We made...justify a “gold rush” of mineral collectors into this region far from civilization. People contemplating such |  | | Book | | pyrrbotite Above Specimen of slightly tarnished chalcopyrite from Herdorf, Siegerland, Germany. Center. Pyrrhotite...&low Tetrahedron of tetrahedrite coated with chalcopyrite, with foliated siderite and calcite crystals...changes within the crust, covers a wide area, or region. The slaty texture is very marked in the epi- and...latter is the deposit of massive pyrite, with chalcopyrite, sphalerite, galena, barite etc., at Rammelsberg...trapezohedron faces (cp. Fig. 17, p. 131) . Switzerland. Be/,;w Elongated prismatic crysffiis (cp. Fig |  | | Journal (issue) | | ****Benzeholzstrasse 11, 6045 Meggen, Lucerne, Switzerland well-shaped crystals. In the sapphire lots there...colour and sometimes fractured. In the North-Western region, corundum is Introduction found in Tertiary volcanic...NorthKenya and Tanzania, in addition to the many western region of Kenya. This is in the Turkana unusual gemstones...sources ever supplied rough which can produce This region is part of the Mozambique orogenic star stones...location of the star sapphires in the North-western region of Kenya. The mining area, dashed area in the map |  | | Book (edition) | | trapezohedron TETRAGONAL SCALENOHEDRAL scalenohedron chalcopyrite tetragonal dipyramid' ditetragonal prism stannite...Hopper faces in a quartz crystal (St. Gotthard, Switzerland) Furthermore, the external form of minerals...association of rutile crystals on hematite (Grigioni, Switzerland). 35 Examples of twins: (1 , 2) Interpenetrating...always idiochromatic: pyrite is pale yellow, chalcopyrite is brass yellow, copper is red, pyrrhotite is...following minerals: 1 wax flame (approx. 977° F) Chalcopyrite Melts in gas flame (approx. 800° C; 1472° F) |  | | Book | | mineral, e.g. malachite, azurite, or limonite from chalcopyrite. Dripstone caves are another product of weathering...identical. They can be pyrite is harder (6) than chalcopyrite (4.5). Black sphalerite and black cassiterite...display the same submetallic lustre. In this and chalcopyrite, are similar in appearance, 27 case also...spathic brittle cubic in ore veins ullmannite, chalcopyrite, siderite, calcite ullmannite GERSDORFFITE... | brittle, striated cleavage planes Pare in : Val Sarentina, Italy ALSTONITE CaCO, + BaCo,, (Bromlite) |  | | Book | | Potassium \>\rill give a violet flame A fragment of chalcopyrite can, for instance, be distinguished from pyrites...Appennincs. Usually associated with blend e, galena, chalcopyrite, jamesonite a nd boulangcrite. R ecently found... 1 H aematite 16 (c. x 2) S1 Gotthard (Switzerland) Iron oxide. Squat rhom bohedral crystals, Lhin...have been found in northern ltaly (Val Devero, Val Nlalcnco, Val di Susa ). 1 9 8 I 11 @ II 120... 7~ 4 7~ 78(t 79+>~flf 80 ' • 3 2 1 Chalcopyrite and calci te (c. 22 x 1) Oklahon1a (USA) |  | | Journal (issue) | | Bochum, W. Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA Articles...with special emphasis on Germany, Austria and Switzerland. Articles on the fundamentals and methods of...buildings at an elevation of about 300 meters. The region is dissected into gently undulating grass-covered...The mineralogy of this quarry is unique in the region, but unfortunately the locality is now essentially...limestone also hosts small weathered specks of chalcopyrite containing covellite. The Mineralogical Record |  | | Journal (issue) | | sphalerite, and to a lesser degree arsenopyrite, chalcopyrite and galena, both disseminated and in massive...malachite, conichalcite, jarosite and remnant chalcopyrite. Austinite CaZnAsO4(OH) Conichalcite CaCuAsO4(OH)...the copper (black and yellow ore [tenorite and chalcopyrite]) appear, mixing partly with large, heavy lumps...quartzite. The Engine Shaft dump shows that chalcopyrite and pyrite were cut at depth, but there is no...the Mim Mineralogical Museum, Beirut, no. 2077; Val Collins photo. Figure 32. Atacamite, 9 cm, from |  | | Book (edition) | | are not abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia)...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...between Monte Cenis and Mont Blanc, as well as in Val Malenco, Lombardy, Italy. A component of some skarns...Kunlun Mts., near Hotan, Xinjiang Uygur Autom. region, China, also at Fengtien, Taiwan. Green at Ospinskoye |  | | Journal (issue) | | Courmayeur par le Val Ferret. Depuis Courmayeur, la limite su it, en direction sud-ouest, le Val Veni jusqu'au...paragenèses à arsénopyrite-or, galène-blende-chalcopyrite-pyrite, dont certains sites ont été le lieu...(1993). The Scheelite-skam of Salanfe (Valais, Switzerland). Bull. Suisse Min. Petr. 73: 4/-5/. DELAMETTE...Western Swiss Alps Dans : Deep structure of Switzerland. • Results from the National Research Program...from a geotraverse through the Central Alps, (Switzerland). Geoch. Cosmoch. Acta. Vol. 58, 11 ° JO, pp |  | | Journal (issue) | | Bochum, W. Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA photomicrography:...mislocation. It was first described from Val Mila in Tavetsch, Switzerland. The local Tavetsch strahlers had...had actually found all of the material in nearby Val Giuv, but purposely gave the wrong location to safeguard...at Hochkonig has produced fine crystallized chalcopyrite, arsenopyrite and, in recent years, native gold...calcite, epidote, feldspar, tremolite, magnetite, chalcopyrite, sphalerite, tetrahedrite, molybdenite, powellite |  | | Report (issue) | | 2.8 mm Mt. Fibbia, Ticino (Tessin) Canton, Switzerland Domenico Preite collection Matteo Chinellato...Fluorapatite, 3 cm tal l Valatscha, G raubO nden, Switzerland Canadian M useum of Nature collection (cat. no...Fluora patite, 2 . 1 cm tall Merelani Hil ls, U m ba Val ley, Tanzan ia Dylan and N ick Stolowitz collection...of the ion' s intense absorp tion in the visible region. Op tical absorp tion sp ectrafrom ap atite colored...broad absorp tion p eak in the 640 nanometer (nm) region (grap h right) . Ribeiro et al. (2005) found that |  | | Journal (issue) | | Dominion, American, Caribou, Union Nordland; Oslo Region (Sata; Myrseter; Dalstjern; ViksHall); Templeton;...Nordsundsvik; Tennberget; Dalarne; Sala Frugard Switzerland: Ordlegna; La Canaletta; Piz Longhin; Davos;...Gopfersgrun; Wurlitz; Passau; Wusstuben; Tashty; Norilsk Region; Talnakh intrusive; Rila Mtns. Keitersberge; Gossweinstein;...famous for its superb and unusual py rite, chalcopyrite, magnetite, byssolite, calcite and others. The...(Sys tem and Textbook) lists two localities, in Switzerland. Since 1932 the list has expanded. We boast milarite |  | 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) | | Hans A. Stalder: Natural History Museum, Bern, Switzerland. Hugo Strunz: Institute of Mineralogy, Technical...its malleability and high G; from pyrite and chalcopyrite since they are harder, brittle, and soluble...nm); weakly anisotropic. Bolshoi Anyui R.., Kolyma region, Russia, in gold-bearing alluvium. sm MZ 11(4):88(1989)..., Tulameen, BC, Canada; Kaltenberg, Valais, Switzerland; Bogota, near Canala, New Caledonia; Mt. Clifford...intrusion, NWT, Canada; Selva, near Poschiavo, Switzerland; Oko, near Koti, Japan; Red Hills, Wairaw R. |  | | Journal (issue) | | specimen-collecting aspects of the Colombian emerald-mining region. The Mineralogical Record, volume 47, January-...growth with man-tall fems. Pogue (1917) called the region "in general ... unhealthful; the natives suffer...together with many precious stones; for this was the region of the esmeraldas, or emeralds, where that valuable..."deterred no doubt by the inhospitality of the region and the difficulties of approach." Hintze (1979)...as a statusenhancing trophy. The emerald-mining region was plunged into war, and in battles between the |  | | Journal (issue) | | zahlreiche ungewöhnliche Bergkristalle aus der Region Damara in Namibia.Mehrfach schon reiste Stefan...und regionalen Funden, vor allem aus der Harzer Region. Aufgefallen sind u.a. schöne und preiswerte Hydroboracit-Stufen...erdgeschichtliches Werk über eine relativ kleine Region mit nahezu 500 dicht bedruckten Seiten, auf denen...gesehene Einblicke in zahlreiche Aufschlüsse der Region Oberlausitz - Elbsandsteingebirge - Nordböhmen...Durchmesser von 4,5 cm. Das alte Stück stammt vom Val Giuv in Graubünden. Inv.-Nr.145754. 2.Schon im Buch |
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