 | | Report (issue) | | ....... 54 Alfredo Petrov • Burmese Tourmaline - An Historical Perspective ........................ 58.... . ......... 68 Maximilian Glas • Pegmatites - An Overview .............70 William B. Simmons • From...19 sapphires, 26 spinels, 25 emeralds, 15 rubies, an aquamarine and 20 pearls. The large (39.5 x 36.5...bedecking the crown, especially the sapphires, are of an exceptional quality. Seven of the sapphires, all...This 24 cm wide "schorl" specimen from Tyrol, Austria was part of the Gigot D'Orcy collection and is |  | | Book (volume) | | pans. Many other gem crystal species occur in pegmatite exposures, such as Aquamarine, Beryl, some Ruby-red...GRAYSVILLE, SE 1½ mi., in Knox dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple...shark teeth. CHATTOOGA COUNTY GORE, N 6 mi., along lower slopes of Taylor RidgeHalloysite. SUMMERVILLE:...areaAlmandite garnet; (g) harmony Church, area pegmatite outcropsBeryl; (h) Hickory Flat, 2 mi. NE on rd....mi. region surrounding this town contains many pegmatite dike minesMica minerals, Quartz crystals, Aquamarine |  | | Book | | Elizabeth Queen 5500 Egypt the part is anywhere an beryl deposits, of fine crystal Sinkankas has ...Poisons and Venomous Bites, Pregnancy, 127 Austria, Vision and Diseases of the Epilepsy, 124 Russia...Treatment for Cabochons, Australia, 363 331 Austria, Beryl Carvings, 332 Faceted Gems, and Gems...edge are which contains turquoise, The much an the National stones in their relation to mankind...but I hope that the material included presents an adequate portrait of a mineral whose history |  | | Book (volume) | | considering its age — this could almost be considered an updated version). This is by no means a complete...Minerals are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. long⎯Manganese minerals. CALHOUN...area⎯Barite. CHEROKEE COUNTY CENTRE, area Miocene outcrops⎯tektites (dark green and dark blue tektites have...of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers |  | | Book (volume) | | considering its age — this could almost be considered an updated version). This is by no means a complete...Minerals are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. long⎯Manganese minerals. CALHOUN...area⎯Barite. CHEROKEE COUNTY CENTRE, area Miocene outcrops⎯tektites (dark green and dark blue tektites have...of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers |  | | Report (issue) | | extralapis No. 13: Topas Das prachtvolle Mineral, der lebhafte Edelstein with the permission of Christian...topazes, weighing a total of 3.03 carats on the lower wings. The small stones in the wings, totaling 19...forms desirable collector specimens. The mineral is an aluminum fluorosilicate with the composition Al2SiOiF...pinacoid {001} is conspicuous. Topaz crystals from pegmatite pockets are commonly etched, and crystals from...hydroxyl that form a mixed, close-packed array with an ABCB stacking sequence (graphic page 6). In topaz |  | | Book (volume) | | ......................258 Missouri – New Lead District Map .........................................................325 New Jersey – Franklin Mining District Map ............................................Texas – Fluorite in the Terlingua Quicksilver District .................................455 Texas – Sulfur..............502 Vermont – Orange County Copper District Site Map ...................................503...considering its age — this could almost be considered an updated version). This is by no means a complete |  | | Report (volume) | | Bulletin 922-T TIN-BEARING PEGMATITES OF THE TINTON DISTRICT LAWRENCE COUNTY, SOUTH DAKOTA A PRELIMINARY REPORT...Oligoclase-quartz-muscovlte pegmatite............ Tourmaline-bearing pegmatite and quartz-tourmaline veins....... Albite-quartz pegmatite.......................... Spodumene-quartz pegmatite...................... lenses................... Mlcrocline-quartz pegmatite...................... Alblte-quartz-muscovite... Distribution of cassiterite.......................... Localization of cassiterite.................. |  | | Report (chapter) | | area . Lucy pegmatite. Results of the drill program . ..... . .. . . . Artdon pegmatite Subsurface pegmatite..... . . ... . . Molly and Bendum claim s Deer pegmatite , West Hawk Lake. . . . . . . . . . . . . . ....Lake .. ... . . . ... ..... .. . . . . . Beryl pegmatite north of Telford. 7 7 9 9 12 12 12 15 16 17 17...Lake/Cat Lake areas General statement 19 19 Pegmatite dykes in the Pointe du Bois area (Lac du Bois...Lamprey Falls) Lac du Bois pegmatite K-1 pegmatite . Lucky NO.3 pegmatite Pine claim , Winnipeg River |  | | Book (volume) | | (lined with crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map)...fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These... of most of central and southern Indiana produce an abundance of these minerals.) COXVILLE, area coal...Marcasite, or Pyrite. WASHINGTON COUNTY PEKIN, W 1¼ mi., an abandoned quarry⎯Barite, Calcite, Selenite, Sphalerite |  | | Book (volume) | | (lined with crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map)...fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These... of most of central and southern Indiana produce an abundance of these minerals.) COXVILLE, area coal...Marcasite, or Pyrite. WASHINGTON COUNTY PEKIN, W 1¼ mi., an abandoned quarry⎯Barite, Calcite, Selenite, Sphalerite |  | | Report (issue) | | TIN RESOURCES OF THE KINGS MOUNTAIN DISTRICT, NORTH CAROLINA AND SOUTH CAROLINA. By ARTHUR KEITH and...B. STERRETT. INTRODUCTION. The Kings Mountain district, in which the tin ores here described are found...mapped by the United States Geological Survey. The district is almost equally divided between North Carolina...in 1908 and in subsequent years up to 1914. The district has also been examined in detail by Mr. Keith...of the region. GEOGRAPHY. The Kings Mountain district is in the central part of the Piedmont Plateau |  | | Journal (article/letter/editorial) | | and, similarly, in the gem gravels of the Mogok district of Burma. Emeralds, especially, were known to...probably knew of pegmatite outcrops but paid no attention to them, and where pegmatite exploration was...such efforts resulted in the production of the pegmatite minerals that we prize so highly, including beryl...larger ions of oxygen. The symmetry of these rings on an atomic structural scale is reflected in the symmetry...megascopic scale. The central space in each ring forms an unbroken channel parallel to the c-axis and is large |  | | Book | | • • • • ': . ·• Ranson1 , Jay E . Gems an d minerals of Arnerica 549 . 075 RAiJSO rti SAUSALITO...Rocks; Minerals Found in Igneous Rocks; Granite Pegmatite Gems and Minerals; Hydrothermal Mineral Deposits;...Gemstones and Minerals; Volcanic Flows; Values in an Outcrop 4. Preparation for Field Collecting 52...printer, typographer, and publisher knows full well, an error-free reference work is as rare as feathers...sensitive, understanding editor and a willing publisher, an author is really something of a disembodied spirit |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive...the 2003 Tucson show. MOROCCO Imilchil area. Outcrops of episyenite and of contact-metamorphic skarn |  | Liu, Chen, Wang, Ru-Cheng, Wu, Fu-Yuan, Xie, Lei, Liu, Xiao-Chi, Li, Xing-Kui, Yang, Lei, Li, Xue-Jiao (2020) Spodumene pegmatites from the Pusila pluton in the higher Himalaya, South Tibet: Lithium mineralization in a highly fractionated leucogranite batholith. Lithos, 358. 105421 doi:10.1016/j.lithos.2020.105421 | Journal (article/letter/editorial) | | 1016/ j.lithos.2020.105421 This is a PDF file of an article that has undergone enhancements after acceptance...granite, albite granite, and pegmatites. Numerous pegmatite dikes have intruded the Higher Himalayan crystalline...Chomogu No. 1 pegmatite is a well- zoned dike that hosts beryl, columbite, rn al cassiterite, and Li minerals...the hydrothermal stage. The Pusila pluton is thus an important site of Li mineralization in the Himalayan...leucogranite belt. Keywords : Pegmatite, Li mineralization, spodumene, columbite–cassiterite U–Pb dating, Pusila |  | | Journal (issue) | | England Pegmatites W. C. Stoll 136 An Occurrence of Cassiterite at Dublin Gulch, Yukon Territory R...length, and has an average width of 53 feet. It lies in schist along the southern margin of an alaskite stock...Molybdenum Property is located in the Liberty Mining District about 25 miles north of Tonopah in Nye County...slope of the arid and barren San Antonio Mountains at an elevation of 5,900 feet. This paper presents a description...alaskite-schist and contact 1,on faulted both in has an ¢ Leve 250 sets by eastern parallel the ave deposit |  | | Report (chapter) | | exploitation of tin and tungsten in the Myeik (Mergui) district of Myanmar. During the First World War, Myanmar...intensive production of wolfram from the Dawei (Tavoy) district. In the period between the two world wars, tin–tungsten...to the tin production from the Man Maw Mining District, which amounted to about 2000 tonnes in 2014 (Gardiner...Maw Mining District (locality No. 3 in Fig. 28.1, Table 28.2) is situated in Wa State, an autonomous...(Tavoy) and Myeik (Mergui) districts. The Dawei district has the largest and more important tin–tungsten |  | | Book (volume) | | concerned, Ohio is unique in but a single gemstone, an exceptionally high quality, colorful flint that is...also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper Mercer horizon exposed along an old rd...townships of Richland (Sec. 1, central part along an abandoned rd.), Wilkesville, Vinton, Clinton and...occurs at many localities in maroon sediments of Lower Permian age, with the greatest concentrations south |  | | Book (volume) | | concerned, Ohio is unique in but a single gemstone, an exceptionally high quality, colorful flint that is...also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper Mercer horizon exposed along an old rd...townships of Richland (Sec. 1, central part along an abandoned rd.), Wilkesville, Vinton, Clinton and...occurs at many localities in maroon sediments of Lower Permian age, with the greatest concentrations south |  | | Journal (article/letter/editorial) | | granite itself is traversed by numerous small pegmatite dikes. I t is interesting to note that the Older...albitization. In addition to these three groups the pegmatite suite also includes quartz-tourmaline w~ins and...es. The complex varieties sometimes contain cassiterite and columbite-tantalite. (b) Microcline-quartz-mica-pegmatites...ites.--The bulk of the economic deposits of cassiterite and columbite-tantalite occur in association...the Egbe Granite. They are sometimes albitized to an appreciable degree but are invariably poorly mineralized |  | Roza Llera, Ana, Fuertes-Fuente, Mercedes, Cepedal, Antonia, Martin-Izard, Agustín (2019) Barren and Li–Sn–Ta Mineralized Pegmatites from NW Spain (Central Galicia): A Comparative Study of Their Mineralogy, Geochemistry, and Wallrock Metasomatism. Minerals, 9 (12) 739 doi:10.3390/min9120739 | Journal (article/letter/editorial) | | (barren) and Li–Sn–Ta mineralized Presqueira pegmatite are established in this study. K-feldspar and...Li–Sn–Ta mineralized pegmatite. In both barren and mineralized bodies, the pegmatite-derived fluids that...wallrock signature; Li–Sn–Ta pegmatite; columbite–tantalite; tantaliferous cassiterite; NW Spain spodumene;...those that support high-technology industry, have an increasing demand due to their variety of uses in...on a Li–Sn–Ta mineralized body, the Presqueira pegmatite, which is a non-outcropping body that has been |  | | Report (issue) | | manufacture of which much smaller sheets can be used, is an amply good substitute for large sheet mica in electric...Jenney a and of Darton,6 taken, together, furnish an excellent description. The mica resources have been...000 feet above the surrounding plains. They form an oval uplift about 125 miles long from north-northwest...shale of Triassic (?) and Jurassic age, Upper and Lower Cretaceous sandstones, shales, and limestones, and...central core of metamorphic rocks, and some of the outcrops form hogbacks with the scarp toward the center |  | Gonçalves, , Melgarejo, , Alfonso, , Amores, , Paniagua, , Neto, , Morais, , Camprubí, (2019) The Distribution of Rare Metals in the LCT Pegmatites from the Giraúl Field, Angola. Minerals, 9 (10) 580 doi:10.3390/min9100580 | Journal (article/letter/editorial) | | Abstract: The Giraúl granitic pegmatite field in Angola is composed of five pegmatite types, the most evolved...the evolution of the pegmatites and within each pegmatite body from border to inner zones, and especially...mineral species of great economic interest, and are an important source of rare metals, such as Li, Rb,...electronic devices of small dimensions, have caused an increase in the need for tantalum [3,4]. The geochemical...minerals is quite characteristic in granites and pegmatite rocks and gives us information about their petrogenesis |  | | Book (volume) | | Plains, wells drilled deep into this unit provide an inexhaustible supply of cold artesian, Rocky Mountain...which also produced a most remarkable series of pegmatite dikes ranking with those in Maine and Southern...Hills Dist. Includes both Veins and the extensive pegmatite dike exposures and mines. BON HOMME & CHARLES...adjoining stream gravelsgem Almandite garnets, Cassiterite, pale lavender crystals of Fluorapatite, Kasolite...Alt. 16 for 15 to 17 mi. (near Rte. 79), pegmatite outcropsRose Quartz; S along US 385 for 32 mi. |
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Pegmatite outcrops, Eibenstein an der Thaya, Raabs an der Thaya, Waidhofen an der Thaya District, Lower Austria, Austria