 | | 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... , . - - - - - - - - - - - ~ Clinohumite with spinel and pargasite, 13.1 cm, from the Sungate mine,... Vietnam. (right: under shortwave ultraviolet, spinel =dark purple, clinohumite =brownish-orange). Ex |  | | Journal (issue) | | slopes of the Lelatema Mountains in the Manyara Region, about 70 km southeast of the town of Arusha, Tanzania...town of Brandberg, Daures Constituency, Erongo Region, Namibia. The occurrence was discovered in the...town of Brandberg, Daures Constituency, Erongo Region, Namibia (Will’s favorite amethyst). Will Johnson...Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania. Will Johnson collection; Tom Spann photo... 17.5 cm, from Vangaindrano, Atsimo-Atsinanana region, Madagascar (finest known Madagascar aquamarine) |  | | Journal (article/letter/editorial) | | electron diffraction (SAED) pattern from the interface region in the [010]R orientation shows that the {301}R-type...were acquired from bulk rutile and the interface region. Two characteristic spectra from both regions are...spectra from bulk rutile and from twin-boundary region reveal that the interphase contains Fe. Table 2...grown on hematite are found in Cavradi in Tujetsch (Switzerland). Most of these crystals grew from hydrothermal...Structural coherency of rutile with hematite and spinel structure types. Neues Jahrbuch für Mineralogie |  | | Journal (issue) | | 2023 TEN3 (Theater) Fluorite, 15 cm Tujetsch, Surselva, Switzerland Rudolf Watzl Freistadt, Austria Visit...least 2008. But the mining culture in this remote region of China was sometimes a little slow to recognize...systematic regional grid geochemical surveys in the region in the 1990s. They focused on the Bairendaba and...regional market city in the Inner Mongolia Autonomous Region, when reselling Bairendaba specimens (Ottens, 2021)...et al. (2017) have summarized the geology of the region: The Bairendaba orebody is a typical mesothermal |  | | Journal (issue) | | Ierland 2003 14 Clara news für Micromounter 16-47 Tujetsch : weltberühmte Mineralienregion in der Schweiz...quarry 23-25 Minerals from Orrock quarry, Fife region Scotland 26-29 Calcium analcime from the Totherick...met andere edelstenen (o.a. korund, chrysoberyl, spinel, topaas, granaat, etc...). Sri Lanka is een van...Zirkonen kan men verwarren met chrysoberyl, korund, spinel, titaniet, topaas, beryl en glas. Van al deze stenen |  | | Journal (issue) | | Hematite “iron rose,” 3 cm, from St. Gotthard, Switzerland. (11) Tourmaline, 2.6 cm, from Elba, Italy. ...crystal, 2.1 cm, from Altyne-Tyube, Russia. (2) Spinel crystal, 1.4 cm, from Ceylon. (3) Euclase crystal...Svätodusna deposit, Lubietová, Banská Bystrica Region, Slovakia. Will and Rika Larson collection; Robert...matrix, 2.7 cm, from the Tsumeb mine, Oshikoto Region, Namibia. From the so-called “gem mimetite” pocket...Scorodite, 3 cm, from the Tsumeb mine, Oshikoto Region, Namibia. Ex Rob Lavinsky, Mim Mineralogical Museum |  | | Journal (issue) | | Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection; Jordan Root photo...Gerais, Brazil. Tom Spann photo. (below right) Spinel twin on marble, 8 cm, from the Cong Troi mine,...cm, from the Erongo Mountains, Karibib, Erongo region, Namibia. Beth Van Allen photo. Beryllonite with...the Merelani mine, Lelatema Mountains, Manyara region, Tanzania. No repairs or restorations. This specimen...Grimsel Pass, Grimsel area, Hasli Valley, Bern, Switzerland. No repairs or restorations. There is a layer |  | | Journal (issue) | | Tirolit aus dem Weserbergland 56-61 Strahler aus Tujetsch : Alfons Schmet 19312011 62-68 Neue Mineralien...doordringingstweelingen komen voor; vrij bekend zijn de spinel-tweelingen van faujasiet. Zoals alle zeolieten |  | | 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...Scheelite, 2.9 cm, from Val Strem, Tujetsch, Grisons, Switzerland; selfcollected with Patrick Reithand |  | | 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...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during...about 20 other quartz mines are operated in the region of the Subpolar Urals, northwest of Saranpaul, |  | | Journal (issue) | | scratch the surface of this spectacular mining region, to which whole libraries have been devoted. That...February 02 -06, 2023 Fluorite, 15 cm Tujetsch, Surselva, Switzerland Rudolf Watzl Freistadt, Austria Visit...Wikimedia Commons. Native Americans who moved into the region almost immediately after the glaciers receded,...volume 54, January–February, 2023 control of the region, another unsuccessful attempt at mining was made...mostly forgotten until American exploration of the region began in the 1830s. Douglass Houghton probably |  | | 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-Draâ 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) | | Austria; Ste.-Marie-aux-Mines, France; and Zurich, Switzerland, as well as numerous local shows. In the late...45, July-August, 2014 413 Figure 13. Copper (spinel-law twin elongated on [111]), 4.5 cm, from the...Stanislav Pekov photo. Figure 14. Copper (topped by a spinel-law twin elongated on [111]), 6 cm, from the Rubtsovskoe...photo. Figure 64 (below). Silver in dendritic spinel-law-twinned crystals, about 1 mm, from the Rubtsovskoe...000 inhabitants, is situated in the Ile-de-France region, about 60 km to the southeast of Paris. The Fontainebleau |  | | Book | | Petrographie Universitat Perolles CH-1700 Fribourg Switzerland Prof. Dr. FRANZ NEUBAUER Institut fur Geologie...Pre-Alpine Basement ofthe Brian~onnais (Wallis, Switzerland) .......... 297 P. THELIN, M. SARTORI, M. BURRI...Austro-Alpine Nappes in the Bernina Massif (Grisons, Switzerland; Valtellina, Italy). . . . . . . . . . ... GEOTEST, Birkenstr. IS CH-30S2 Zollikofen, Switzerland BIINO,G. Institut fUr Mineralogie und Petrographie...Petrographie, Balzerstr. 1 CH-3012 Bern, Switzerland BONIN,B. Dept. de Petrologie - Volcanologie, Biitiment |  | | 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 |  | | Journal (issue) | | MARCH–APRIL 2023 Articles Altyn-Tyube, Karaganda Region, Kazakhstan: The Type Locality for Dioptase......greenmount a inminera ls. Fluorite, 15 cm Tujetsch, Surselva, Switzerland Rudolf Watzl Freistadt, Austria Visit...cell.: +43 (0)664 4047940 Altyn-Tyube Karaganda Region, Kazakhstan: The Type Locality for Dioptase Wendell...Karaganda in the Bukhar-Zhyrau area of the Karaganda Region, Kazakhstan, near the Altyn-Ssu (“Golden Stream”)... The area is part of the Kazakh Steppe, a vast region of open, temperate Palearctic grassland in central |  | | Book | | Chap. 6), periclase, MgO, uraninite (7 Sect. 7.4), spinel, magnetite, chromite (7 Sect. 7.2), and the garnet...n Fluorite CaF2 1.434 Halite NaCl 1.544 Spinel MgAl2O4 1.714 Almandine garnet Fe2+3Al2[SiO4]3...crystal of ruby was produced in Geneva, 41 Switzerland, in 1885, by slow crystallisation from a melt...been produced since 1905, followed by sapphire and spinel (1910), star ruby, star sapphire and rutile (1947/1948)...(1935), alexandrite, orange and blue sapphire and spinel. 5 Crystal growth from aqueous solutions at atmospheric |
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