 | | 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...splendid pale pink to deep orange-pink crystals of fluorapatite up to 5 cm, and with fluorite in octahedral...rather large size. Specimens in which aquamarine, fluorapatite and fluorite crystals are associated on a single...in particular those from Savoy (France) and Switzerland, is unavoidable because of the close similarity |  | | Journal (issue) | | commercially successful museum offers underground mine tours, extensive mineral exhibits including the Oreck...collected minerals in the field, particularly at Val Graveglia, Genoa, Sicily and Sardinia. He wrote various...Record) for their 2001 article on the minerals of the Val Graveglia manganese district in Italy; and Renato...TEN3 (Theater) Fluorite, 15 cm Tujetsch, Surselva, Switzerland Rudolf Watzl Freistadt, Austria Visit our...galena and fluorite as well as siderite and fluorapatite have recently come from a polymetallic mine |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...magnetite, anatase, biotite, microcline and minor fluorapatite (Robinson and Chamberlain, 1982), with ilmenite...during the 1970s (see this entry for Actinolite, Fluorapatite, Prehnite, Pumpellyite). Ilmenite was found...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 |  | | Journal (article/letter/editorial) | | Presidio Real Reeves Somervell Stonewall Travis Uvalde Val Verde Van Zandt Webb Wharton Williamson Wise attempted...(crystals), biotite, calcite, epidote (crystals), fluorapatite (mm crystals), hornblende, magnetite (mm octahedral...la Mina Ranch, worked 1910-1916, 1925-1934, mine tours in 1970s, adit with drifts, solution collapse at... Burnet County General. A t Long Mountain: fluorapatite (crystals in quartz) (Comstock, 1890). Capitol...calcite, cas siterite (crystals), cordierite, fluorapatite, garnet, graphite, hematite, microcline (crystals |  | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...enjoy a few New York whites heâd discovered on tours through the Finger Lakes. Sometimes dealer and collector...The mineralogical future looks bright for this region, because there are still vast tracts of mountainous...has excellent quality downloadable images of the region. HISTORY Cloos (1911) provided one of the earliest...rock types. Geologists who have researched the region refer lithostratigraphically to the Erongo Volcanic |  | | Journal (issue) | | Lengenbach Mineral Locality, Binna Valley, Valais, Switzerland................................................Imhof Famous Mineral Localities: Lengenbach, Switzerland 275 by Stefan Graeser Rare Earth Minerals in...Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland photomicrography: Julius Weber Mamaroneck, New...excursions for the pub lic, guidebooks for geological tours, popular articles, identifi cation of specimens...greatest desire is to visit Norway on collecting tours. In Germany there are still more, also with their |  | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...sio2ga@bellsouth.net Terry Ledford P.O. Box 239 Little Switzerland, North Carolina 28749 wiscottawatta@wmconnect...morphology. Most of the classic localities lie in Switzerland, where tireless Strahlers continue to seek new...The following survey of major localities in Switzerland and elsewhere includes a Strahlerâs account of...from Alpine-cleft occurrences, most of them in Switzerland. Like specimens of pink octahedral fluorite and |  | | Journal (issue) | | creedite and (2) a remarkable assemblage of blue fluorapatite, blackish-purple fluorite and white bertrandite...lined with aquamarine-like crystals of blue fluorapatite intermixed with blackish purple octahedrons...in the 1990s at Kara-Oba, also in the Karaganda Region of Kazakhstan, and it is possible that some were...Akchatau. BerylââBe3Al2(Si6O18) The fluorapatite crystals in the fluorapatite-fluorite-bertrandite suite were...crystals. FluorapatiteââCa5(PO4)3F The attractive combination of gemmy blue, prismatic fluorapatite to about |  | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...main mineral collecting site) and three small, Bau-Val quarries are located at the northwestern edge of...Saint-Amable. Access to the Demix-Varennes and Bau-Val quarries is from Autoroute 30 at Exit 136, approximately...private, unpaved road to the right leads to the Bau-Val quarries. HISTORY The earliest mention of the Saint-Amable...in 1964. Two quarry pits, now designated as Bau-Val Nos. 1 and 2, were developed and worked for a few |  | | Book | | Tetrahedrite and realgar from the Binn Valley, Switzerland Pages 70-71: Fluorite crystals from the People's...the Passo del Rombo in the Trentino-Alto Adige region of Italy, or the splendid crystals of azure-blue...summit of Pizzo Forno in the Ticino Canton of Switzerland. A particular type of metamorphism, known as...1500, the area of Baveno in the northern Italian region of Piedmont, was famous throughout Europe for the...Persian zin- allusion to its color. Tao mine, Hunan region, Peopleâs Republic of China. Covellite Formula |  | | Journal (issue) | | EXECUTIVE EDITORS Rudy Bradbury Vice President for Region I, Eastern Federation of Mineralogical and lapidary...SYSTEM 2 NaA1Si3 0 8 ANALClME APATITE (see FLUORAPATITE) 4 ,5,7 APOPHYLLITE ARSENOPYRITE FeAsS AUTUNITE...by M. Hudson. JULY/AUGUST 1978 165 Banded fluorapatite from the Foote quarry. From the collection of...of L Marble. Photo by M. Hudson. Fluorapatite flecked with pyrite. From the collection of L Marble....collection of M. Hudson. Photo by M. Hudson. Fluorapatite, cream to blue collofonn, from the Foote quarry |  | | 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...crystals show chatoyancy. Fluorapatite Ca5(P 0 4)3F Crystals of fluorapatite to a centimeter or so and...The mineralogy of this quarry is unique in the region, but unfortunately the locality is now essentially |  | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...granites are the youngest intrusive rocks in a region, generally forming roof zones of intrusions where...Nashar, 1978; Kleeman, 1985), and the M ount Garnet region of north Queensland (Johnston and Chappell, 1992)...Untersalzbachtal, Salzburg, Austria Val Lugnez, Grisons, Switzerland Tanzania Colorado South Carolina ...intrusions, as in the âchamber pegmatitesâ of the Volyn region of the Ukraine. These deposits commonly show significant |  | | Journal (issue) | | Grasegert . Beurs (M-F) . VIEN-ANTHISNES . Salie Val Pierrys . WESEL . Niederrheinhalle 10-17 h . Beurs...BRIEY (54) . Stadhuis . Beurs (M-F-E) . BOURGES VAL â 'AURON (18) . Co!lĂšge Jean Renair, rue des Fileirses...BOGNY-SUR-MEUSE (08) . Salie du COSEC . Beurs (M-F) . TOURS (37) . LycĂ©e Albert Bayet . 50 . bd . Preuilly ...Black Hawk District, Ne w Mexico (USA ) 112-114 Fluorapatite from Inna Nala, Fighar Village, Nagar District |  | | 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 |  | | Journal (article/letter/editorial) | | annealing. Simultaneous annealing experiments of fluorapatite and Durango apatite described by Carlson et...range.â Models based on mean-length data for B-5 fluorapatite as measured by Crowley et al. (1991) may be...APATITE FISSION-TRACK KINETICS: EXTRAPOLATION tours of constant annealing that are slightly curved on...models. In the case of the model for the B-5 fluorapatite, the fitting results provide geological time... Comparison of the fanning linear fit of RN fluorapatite to the fit of the Crowley et al. (1991) B-5 |  | | Journal (article/letter/editorial) | | donation: Adults $10, family $20, children free Guided tours: Arranged upon request Contact information: Ingrid...(right). Fluorapatite with quartz, 4.5 cm high, HornĂ Slavkov (Schlaggenwald), Karlovy Vary region, Czech...herbarium of the native plants of the Montreal region, and between 1827 and 1839 he built a collection...vein-dikes that were then being mined for phosphate (fluorapatite), mica, and graphite. A contemporary of Dawson...beautifully transparent, from Saint Gotthard, Switzerland. Some specimens from the Shirley collection were |  | | Journal (issue) | | Behnke Northbrook, IL Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...were esteemed by the early Native Americans of the region. Arkansas quartz crystals have been responsible...these occurrences are not in the famous Mother Lode region, but rather are located in either the East Belt...concretions in the Upper Cretaceous shales in this region have occasionally provided exceptional specimens...quartz, sphalerite, galena, hĂŒbnerite, bornite, fluorapatite and chalcopyrite. Many of the most outstanding |  | | Journal (issue) | | as a part of this magnificent event. â Optional tours around the area, such as to Agra to visit the Taj...research manager at the Gubelin Gem Lab in Lucerne, Switzerland; and as director at the Asian Institute of Gemological...luxury goods manufacturersâ industry foundation. By region, the study indicated that the U.S. luxury market...remains dynamic, but still poised to slow. The region is expected to grow between -2% to 0% (at constant...of 7% to 9% (at constant exchange rates) for the region. Mainland China is also rebounding, as local consumers |  | | Journal (issue) | | carried out the first analysis of magnesite from "the region of Bruck" in 1854. But the main thrust of the Foetterle...after Metzger's death to Godehard Schwethelm of Switzerland (1899-1992); and the collection of Karl Kontrus...showcase of Godehard Schwethelm in Kastanienbaum, Switzerland, 1981. Peter Huber photo. Figure 12. The collection...are crystals of pyrite and yellow prismatic fluorapatite, and there are also dark brown to black blebs...Schongrundner collection and photo. Figure 35. Fluorapatite crystal, 1.6 cm, on dolomite crystals from the |  | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...Gothardâ and presented it to the Duchess at Bern, Switzerland on August 21, 1793, shortly before Georgianaâs...travel and culture whetted by his trip to Russia, tours of Italy soon followed, in search of Italian art...Shistusâ) typical of material from Pizzo Forno, Switzerland, and adularia. There is a lump of massive pyromorphite...6th Duke as samples or mementos of his European tours, the smaller ones probably being intended for mosaic |  | | Journal (article/letter/editorial) | | tanzanite deposit, Lelatema Mountains, Manyara region, Tanzania. It was first described in Minerals (vol...article, âMerelaniite, Merelani (Mererani), Manyara Region, Tanzaniaâ in the July/August 2017 issue of Rocks...legendary career mining the world-famous purple fluorapatite crystals from the Pulsifer quarry on the west...participants didnât have to be students to sign on. These tours included lunch, short walks, and ground and boat |  | | Book (volume) | | Contents:[I] Northwestregion- [2] Southwest region - [3] North a t region- [4] Southeastregion. ISBN0-943763-24-X(pbk...mine tours you can see how minerals and gems were and are taken from the earth. On these tours, visitors...categories:FeeDig Sites/GuideServices,Museums and Min- Tours, and Special Events and TouristInformation. There...ial int r t to the gem/mineral collector and mine tours available to the publi are listed. Besidesbeingwonderfulways...0 eol oy, and mining history (many museums and tours also offer child-friendly exhibits), museumsare |  | KrzÄ
taĆa, Arkadiusz, KrĂŒger, Biljana, Galuskina, Irina, Vapnik, Yevgeny, Galuskin, Evgeny (2020) Walstromite, BaCa2(Si3O9), from Rankinite Paralava within Gehlenite Hornfels of the Hatrurim Basin, Negev Desert, Israel. Minerals, 10 (5) 407 doi:10.3390/min10050407 | Journal (article/letter/editorial) | | -alumoĂ„kermanite, schorlomite-andradite and fluorapatite-fluorellestadite series. This type of rock has...minerals are Ti-bearing andradite, gehlenite, fluorapatite and accessory magnesiochromite. The hornfelses...rankinite, wollastonite cuspidine and and fluorapatite; fluorapatite; black: black: magnesiochromite. magnesiochromite...Light Source (Paul Scherrer Institute, Villigen, Switzerland). The beamline is equipped Minerals 2020, 10...Light Source (Paul Scherrer Institute, Villigen, Switzerland). The beamline is equipped with a multi-axis |  | | Journal (issue) | | feldspar crystals. INTRODUCTION The South American region known as Patagonia, a barren tableland between...called âthe Pampasââa 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...camp for a month, and had planned several mountain tours into some very difficult areas. After we had set...potentially lethal enterprise. The strong winds in this region reach around 150 kph (90 mph) and over. We made |
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Tours, Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland