 | | 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 |  | | 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)... Liuzhou Prefecture, Guangxi Zhuang Autonumous Region, China. Paul Bordovsky photo. Morganite, 12.4 |  | | Journal (article/letter/editorial) | | these minerals are almost unknown. Chrysoberyl and rutile (fig. 23) form cyclic twins as well as V-shaped...(fig. 24) look like stars! Cerussite (fig. 25) and rutile (fig. 26) also form open intergrowths of many crystals...2017 Figure 23 (left). Cyclic (â8-lingâ) twin of rutile (2.2 cm) from Magnet Cove, Hot Spring County, Arkansas...Tsumeb, Otjikoto region, Namibia. Conan Barker specimen. Figure 26 (right). Reticulated rutile on quartz (6...quartz, is transparent. Long golden needles of rutile (fig. 31) are the best known inclusion found in |  | | Journal (article/letter/editorial) | | and Namibian schorl, Panasqueira ferberite, and rutile, especially that from Graves Mountain, Georgia...other aesthetic qualities may carry equal weight. Rutile in particular is clearly appreciated for its crystal...schists; and alpine-type pockets. The Graves Mountain rutile nominated for this issueâs Connoisseurâs Choice...Choice is a fitting ambassador for this species. All rutile is not black; in fact, its name is derived from...of dark blue and green; synthetic rutile can be colorless. Even rutile that appears to be thoroughly black |  | | Journal (issue) | | Austria; Ste.-Marie-aux-Mines, France; and Zurich, Switzerland, as well as numerous local shows. In the late...000 inhabitants, is situated in the Ile-de-France region, about 60 km to the southeast of Paris. The Fontainebleau...the area, and the very pure quartz sand from the region has been used in the glass-making and ceramics...producers, still uses the pure quartz sands from the region today. The magnificent Hall of Mirrors in the Versailles...cavities in basalt, the predominant rock type in the region. Sao Joaquim, at an altitude 1,400 meters, is the |  | | Book (volume) | | Prefecture, Inner Mongolia, China, 66 Hematite (with Rutile) Ambatofinandrahana, Fianarantsoa Prov., Madagascar...Brumado, Bahia, Brazil, 22 Cavradi Gorge, St. Gotthard Region, Graubunden, Switzerland, 49 Hyalophane Zagradski...Shattuckite), Omaue Mine, Kaokoveld Plateau, Kunene region, Namibia, 17 Mimetite Congreso-Leon Mine, San Pedro...4 Proustite Chanarcillo, Copiapo Prov., Atacama Region, Chile, 28 Pyrargyrite Samson Mine, St. Andreasberg...Gerais, Brazil, 48 Scapolite Uluguru Mts., Morogoro Region, Tanzania, 50 Selenite Naica, Mexico, 68 Shattuckite |  | | Journal (article/letter/editorial) | | pseudomorphs are found in association with sagenitic rutile. Siderite occurring as druses and spheroids to...fluorite, microcline, pyrrhotite, rhodochrosite, rutile, synchysite, and zircon (Mandarino and Anderson...Taillat mine, St.Pierre-dâAllevard, RhĂŽne-Alpes region, Department IsĂ©re, France. The specimen is 8 cm...Taillat mine, St.-Pierre-dâAllevard, RhĂŽneAlpes region, Department IsĂ©re (Bernard and HyrĆĄl 2004) (fig...edge with a dusting of chalcopyrite and quartz. Switzerland has many localities that have produced fine specimens |  | | Journal (issue) | | Hematite âiron rose,â 3 cm, from St. Gotthard, Switzerland. (11) Tourmaline, 2.6 cm, from Elba, Italy. ...SvĂ€todusna deposit, LubietovĂĄ, BanskĂĄ Bystrica Region, Slovakia. Will and Rika Larson collection; Robert...matrix, 2.7 cm, from the Tsumeb mine, Oshikoto Region, Namibia. From the so-called âgem mimetiteâ pocket...Scorodite, 3 cm, from the Tsumeb mine, Oshikoto Region, Namibia. Ex Rob Lavinsky, Mim Mineralogical Museum...cm, from Frunthorn, Lake Zervreile, Grishun, Switzerland. Kyle Kevorkian collection; Matt McGill photo |  | | Book | | Rare-earth minerals in the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli)...Cassedanne) 8:382-387 Amethyst from the Thunder Bay region, Ontario (by D. G. Ellion) 13:67-70 New data on...Record bookshelf-A Guide to rite Minerals of Switzerland; Connecticut Mines and Minerals; Mineral Collecting...Rare-earth minerals in the Alpine and Subalpine region [Switzerland, Austria and Italy] (by C. M. Gramaccioli)...FRANCESCO --and R. Pagano: Mineral collecting in Val Malenco 3:120-123 BEECH CREEK Levyne-offrelite from |  | | Journal (issue) | | marvelous mineral mystery. lt is from St. Gothard, Switzerland. Tbe foregoing notice of Prof. Srnith's rnineral...collecting; he was a historian of the Pikes Peak Region and in the 1930s began to hike through the mountains...interviewed many of the old pioneers from this region and recounted their stories when he gave talks...7 cm, from the EI Hammam mine, Meknes-Tafilalt Region, Morocco. Jeff Scovil photo. Pyrite with fluorite...photo. Scheelite, 2.9 cm, from Val Strem, Tujetsch, Grisons, Switzerland; selfcollected with Patrick Reithand |  | | Catalog/List | | 1 Mine, Inca de Oro, Chañaral Province, Atacama Region, Chile Terry Szenics has been a tireless digger...Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia It is often said that simplicity is the...Tazenakht, Ouarzazate Province, Souss-Massa-DraĂą Region, Morocco The sere desert of the Bou Azer mining...Dry Gill Mine, Caldbeck Fells, North and Western Region (Cumberland), Cumbria, England, UK When Mimetite...CERUSSITE Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia During its heyday, the Tsumeb |  | | Journal (issue) | | Figure 6. Geologic map of the Northern Walker Lane region of Nevada and California, including Petersen Mountain...Sickinger Quartz, Marmotta cleft, Grimsel, Switzerland, 24 cm Ca The Ekati and Diavik Diamond Mines...25-square-kilometer island in Lac de Gras. The region is part of the arctic tundra, characterized by...little topography it can be extremely windy. The region receives an average of 37.5 cm of precipitation...low evaporation and extremely poor drainage the region is dotted with thousands of lakes and swamps. No |  | | 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...purine-porphyrine group). a nickel porphyrine. With quartz. rutile, piemontite, sursassite, ardennite, Triclinic....between Monte Cenis and Mont Blanc, as well as in Val Malenco, Lombardy, Italy. A component of some skarns |  | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica... Figure 1. Location map showing the SkarduDassu region of the Northern Territories, Pakistan. The Alchuri...dug from the Ho Nala, a very narrow, very steep gorge between Apaligun and Chhappu, aptly suited for the...a fast-flowing stream that emerged from a major gorge and continued another 15 minutes to Chutron. We...hydroelectric power generation. Figure 26. Reticulated rutile crystals, 5 cm (as shown), from Alchuri. Bill and |  | | Journal (issue) | | Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland R H O D O C H R O S IT E fro m th e N âC h w...Switz erland) Robert Sullivan, Jr. (Oberwil, Switzerland) Joseph Taggart (Socorro, NM) Doug and Fran Toland...dred of those famous Swiss âCavradischluchtâ (Cavradi Gorge) hematite crystals from the St. Gothard area...limeter-size, elongated, orange-brown, striated rutile crystal blades on the sur faces of the hematite...Alpine clefts in the Mont Blanc Swiss-French border region. genbach quarry specimens (see the Record, They |  | | Journal (issue) | | mine, Inca de Oro, Chaiiaral Province, Atacama Region, Chile. Dale Armstrong photo. Mimetite and willemite... from Dalnegorsk, Primorskiy Kray, Far-Eastern Region, Russia. Jeff Scovil photo. Fluorite, 7 .6 cm...crystal, 3.5 cm, from the St. Gotthard area, Uri, Switzerland. Jean-Luc des Rivieres collection (ex Herb Obodda...Gora, Adun-Cholon, Transbaikalia, Eastern-Siberian Region, Russia. Marc Fleischer photo. Supplement to The...County, Guilin Prefecture, Guangxi Zhuang Autonomous Region, China. Jeff Scovil photo. Gold, 2.3 cm, from the |
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Cavradi gorge, Val Curnera, Tujetsch, Surselva Region, Grisons, Switzerland