 | | Journal (issue) | | CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ......Mineralogy Vol 3, No 2, December 1997 %e Coo(gardie Pegmatite :fie[� 'Western .9Lustrafia Mark I. Jacobson Chevron...70593 California, USA This n otable Australian pegmatite locality has produced a range of lithium minerals...the Western Australian outback, an abundance of pegmatite fields stretch from the fiercely hot and arid...Cattlin Creek pegmatite field,near Ravensthorpe in the south. The Coolgardie pegmatite field, near the |  | | Journal (issue) | | crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...but Espenshade (1954) identifies it as a short unnamed inclined adit accompanied by a small dump about...mine, contained blocks of marble with disseminated pyrite and chalcopyrite, and barite was noted in several...marble is also known to contain veins of sulfides (pyrite, chalcopyrite, sphalerite and bornite) and areas...the Hesse-Nassau Province in Germany. During the next two years Ahlfeld visited Italy, Austria, Yugoslavia |  | | Journal (article/letter/editorial) | | MINERALOGY OF AN EVOLVED DICKINSON COUNTY, MICHIGAN, PEGMATITE. T. W. Buchholz1, A. U. Falster 2, W. B. Simmons2...(1961) documented approximately ninety known pegmatite occurrences in central Dickinson County in the...Upper Peninsula of Michigan. A small beryl-rich pegmatite was investigated to describe its mineralogy and...determine its degree of geochemical evolution. The pegmatite is emplaced in Lower Proterozoic metamorphic rocks...probable that the pegmatite is late- to post-Penokean in age. Local control for pegmatite emplacement appears |  | | Journal (article/letter/editorial) | | available, we suggested that these represented pyrite overgrowths on tabular twins of marcasite whose...crystals are pyrite octahedra with severe distortion. Only the X-ray powder pattern of pyrite was observed...octahedral pyrite crystal with mi nor cube and pyritohedral faces. Right: Tabular pyrite crys tal from...pyritohedral faces as growth proceeded outward. Tabular pyrite crystals are not particularly rare; how ever,...cavities do not contain all species. I n phase 1, pyrite formed as a pocket liner. During phase 2, barite |  | | Journal (article/letter/editorial) | | cross-section and were individually scattered in pyrite-quartz matrix. The grains could be scratched by...were delicate clear sprays of aragonite. SPAIN Pyrite, etc. Mr. Juan Montal, a mineral dealer from 20...Penedes, reports he has collected many kilograms of pyrite crystals. Sizes range from 1 cm on an edge up to...molybdenite, muscovite, pectolite, phlogopite, prehnite, pyrite, pyroaurite, pyrrhotite, quartz, schorl, shandite...Hampton submitted several samples from an unnamed pegmatite feldspar mine in Middleton. Two of the specimens |  | | Journal (article/letter/editorial) | | The gemmy, intense purple apatites from this pegmatite mine have made Pulsifer the premier locality for...County, Massachusetts. Rather than a granite pegmatite, the geological environment in which this specimen...Central Metasedimentary Belt of the Grenville Province of Canada (Tait and Bainbridge 2013); the apatite-magnetite...(Belakovskiy 2013); and Mt. Xuebaoding, Sichuan Province, China (Rakovan 2013b). Many of these were mentioned...of Scandinavian apatite occurrences is the ore province of northern Norrbotten, Sweden. This is home to |  | | Report (issue) | | William "Skip" Simmons and Alexander Falster, pegmatite specialists from the University of New Orleans...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...the world's largest known beryl crystal is a pegmatite at Malakialina, Madagascar, which produced one...the giant-sized crystals found in the massive pegmatite portions. Morphology Beryl crystals are hexagonal |  | Kampf, A. R., Adams, P. M., Kolitsch, U., Steele, I. M. (2009) Meurigite-Na, a new species, and the relationship between phosphofibrite and meurigite. American Mineralogist, 94 (5) 720-727 doi:10.2138/am.2009.3134 | Journal (article/letter/editorial) | | quarry in Victoria, Australia, and at an unnamed pegmatite prospect near Linopolis, Minas Gerais, Brazil...Paleozoic age. Veins consisting of quartz, barite, pyrite, argentiferousgalena, and sphalerite filled a fault... Upon exposure to oxygenated vadose water, the pyrite and other sulfide minerals oxidized to acidic fluids...muscovite, and quartz on a specimen from an unnamed pegmatite prospect near Linopolis, Minas Gerais, Brazil |  | | Book | | Roland Bouhelier in 1973 from the "Bouhelier pegmatite", and shortly thereafter acquired by the Canadian...Organic compounds 491 Partially studied and unnamed MSH minerals 494 Gemstones 514 Pseudomorphs...an accumulated repository of partially studied (unnamed) minerals. This is likely to continue for many...concerning the origin of the Monteregian Hills alkaline province, and a brief description of each member. The geology...and partially studied and unnamed (UK) minerals. For the unresolved unnamed minerals, all available technical |  | | Journal (issue) | | part of the Monteregian Hills alkaline igneous province. LOCATION The Francon quarry is unusual in being...Proterozoic Grenville Province, and on the southeast by the Humber Zone of the Appalachian Province. The sedimentary...Zone marks the western edge of the Appalachian Province. In the Montreal area, the Taconic Orogeny is...Hills alkaline igneous province its name (Adams, 1903). The Monteregian Province comprises an east-southeast-trending...which intrudes Proterozoic rocks of the Grenville Province; the major plutons Mont Royal, Mont SaintBruno |  | | Journal (issue) | | unventilated, and are hot and poisonous due to intensive pyrite decomposition. Production is limited to no further...in the sulfide zones probably began with quartz, pyrite and cassiterite, followed by stannite and chalcopyrite...report andorite as occurring in compact masses with pyrite, quartz and cassiterite in the Santa Rita adit...minute, tabular, hexagonal crystals included in pyrite crystals that are replacing stannite (Cu2FeSnS4)...associated with quartz, cassiterite, stannite and pyrite (Ahlfeld and Reyes, 1955). A white, 7-cm group |  | | Journal (issue) | | e r a lo j g ic a l Volume Eight/Number Two PEGMATITE ISSUE #1 p u b lis h e r ls * h n Q n i. • ;...83 by R. Lasmanis The Clear Creek Pegmatite: A Rare Earth Pegmatite in Burnet County, Texas............. Iores K IO i DITOR Here it is: our first Pegmatite Issue! Actually this accumulation is a happy accident;...our file of articles I realized we had enough pegmatite-related papers to fill an issue. One advantage...a certain article. The article on the Harding pegmatite, for instance, may not cause “Vol. 8, no. 2!” |  | | Journal (issue) | | Ridge in King County, Washington (for quartz and pyrite) and the Rock Candy mine in British Columbia (for...Rhodochrosite on Manganite N'Chwaning Mine, Northern Cape Province, South Africa. 8.7 cm In 1978 a historic discovery...exchange for some corals that he had brought from Italy, inspiring him to praise Binnyaran as “the most...of that year all of Burma became officially a province of India. Immediately following the annexation...25-carat round 30 brilliant which then went to an unnamed American buyer; its current whereabouts are unknown |  | | Journal (issue) | | their own right, like the Medici of Renais sance Italy, they know that an artist brings something special...Stan Tourmaline) into a general San Diego County pegmatite collectic of nearly 200 superb specimens. Fine...garnets stood side-by-side with rare and exotic pegmatite specie It was widely acclaimed as the finest such... o r g a n it e beryl on feldspar from Yunan Province, China; 6.5 inches. ♦ 51 ♦ A q u a m a r in...Carrara Wurtzite 1 9/20 Via Pie di Marmo Rome, Italy Phone: 011-39-06-678-6067 Fax: 011-39-06-985-2946 |  | | Report (issue) | | .. 42 ?. Muscovite in the vail zone of the pegmatite in tha Meadow mine, Avery Co. ..................area in the northeastern part of the Spruce Pine pegmatite district* on the Blue Ridge upland in western...Sorvey Professional Paper describing pegmatite* in the Blue Iddge Province* In 1948, the general geologic Mapping...* which nake up the "rcetamorphie and plutonic province" (fig. 2). In North Carolina this belt is at...Blue lidge physiographic province and in the Piedmont physiographic province as far as the western margin |  | | Book (volume) | | California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...towns, counties, and districts in each state and province arranged alphabetically; with an appendix, containing...exposure producing new substances. For example, pyrite and marcasite can decompose to form a variety of...material. Fossils completely replaced by calcite, pyrite, etc. are abundant in many parts of the world....iron sulfides which could later recrystallize into pyrite. Much of the phosphate pollution in Lake Sebasticook |  | | Journal (issue) | | the U.S., Germany, Austria, Switzerland, France, Italy, Great Britain, Hungary, Yugoslavia, Romania, Ceylon...with tourmaline, have sustained the Golconda pegmatite field’s reputation as among the most important...districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a familiar name to mineral collectors...for mica produced in Minas Gerais. A rich, new pegmatite deposit in the Brazilian Golconda area, best known...including the region now known as the Eastern Pegmatite Province. Just below the center can be seen the Rio |  | | Journal (volume) | | INSIDE THIS ISSUE: • The geology of Double Rock pegmatite • The Kemble family, long-term Franklin mineral...Photos From the Field 11 Geology of Double Rock Pegmatite From the Buckwheat Open Cut, Richard A.Volkert...crystals, epidote crystal druses, stromatolites, pegmatite with a pink scapolite/ diopside mix, and sparkly...wonderful crystals of corundum, spinel, graphite, pyrite, fluorite, titanite, etc., of past field trips...International License. Geology of Double Rock Pegmatite From the Buckwheat Open Cut Richard A. Volkert |  | | Report (issue) | | Helpful suggestions on field occurrences and pegmatite mineralogy were received horn Dr. James J. Norton...Boulangerite Jamesonite Sulfur Graphite SULFIDES (etc.) Pyrite Loellingite Marcasite Arsenopyrite Molybdenite...north side of the tunnel entrance to the Greene pegmatite three miles east-northeast of Pringle has been...southeast part of the Gayle (Dubuque)-Royal Flush pegmatite 5.9 miles southwest of Custer by Redden (5) p...schist exposed at the Beecher No. 3-Black Diamond pegmatite four and one-half miles south-southeast of Custer |  | | Report (issue) | | Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL...pocket] PLATE 1. Index map showing locations of pegmatite mines and prospects. 2. 3. 4. 5. 6. 7. 8. 9....Dakota. Geologic map and sections Beecher Lode pegmatite, Ouster County, South Dakota. Geologic map and...Geologic map and sections,' Elkhorn and Hot Shot pegmatite mines, Custer County, South Dakota. Geology of...of U. S. Bureau of Mines sample cuts, Elkhorn pegmatite, Custer County, South Dakota. Geologic map and |
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