 | | 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...” 5.6 cm tall, Alchori, Shigar Valley, Skardu district, GilgitBaltistan, Pakistan. Private collection...Dara-i-Pech pegmatite field, Kunar Province; Mawi pegmatite, Nilaw-Kolum pegmatite field, Nuristan...Rural City, Victoria Aberfoyle mine, Rossarden district, Tasmania Complex metamorphosed sedimentary exhalative |  | | 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) | | ................................. 2 Himalaya pegmatite,...................................................................................... 2 Unnamed pegmatite occurrence, Volcan Mountains ....................................... 3 Brown Derby no. 1 pegmatite ............................................................................... 3 Ridgefield pegmatite,............................................................................... 3 Strickland pegmatite, ............................................ |  | | 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...is 1 meter long and 25 cm in diameter; Ohigashi, Japan; and in Dronning Maud Land, Antarctica, where meter...the world's largest known beryl crystal is a pegmatite at Malakialina, Madagascar, which produced one |  | | Journal (article/letter/editorial) | | Mines and Minerals of the California Pegmatite Province Downloaded by [Pennsylvania State University]...of the past century, the Southern California pegmatite province has been the source of some of the world’s...(bottom left page). Map of the Southern California pegmatite province, including location of major specimen-producing...Geology and Geography The Southern California pegmatite province is a mountainous, semiarid region located...Foord (1991) report age dates for the Himalaya pegmatite that place its formation within the time period |  | | Journal (article/letter/editorial) | | schroeckingerite, monohydrocalcite, and two new unnamed ( 1 0 ) ( 9 5 1 ,6 6 6 , 1 0 . 2 . ) , 2 . 4 3(...Ca and a little contains new carbonate One unnamed pegmatite ijolite-urtite of in zone in the central cavernous...531 (both -+0.002). Probably orthoGrimselite. Unnamed Carbonates (K.Ca and K.Ca-Mg) rhombic. The strongestX-ray...in quartz-microcline pegmatite at Fusamata, Kawamatamachi, Fukushima Pref., Japan, associated with biotite...from the nearby Suishoyama (formerly Iisaka) pegmatite as an alteration product of thalenite. The name |  | | Book | | the Yale Farm, about two miles northeast of the town of Litchfield, where a mass of white quartz on a...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Girardville, Lac Saint-Jean area. Just northwest of the town of Girardville, itself 40 km northwest of Lac Saint-Jean...Gatineau County. This occurrence of ilmenite, near the town of Chelsea and 25 km northnorthwest of Ottawa, dates...the site is in fact about 75 km northwest of the town of Arendal (Moore, 1991). Simdeled, Aust-Agder. |  | | Report (issue) | | Powder Pattern: Silver Coin mine, Valmy, Iron Point district, Nevada, USA. 9.35 (100), 3.206 (40), 3.107 (30)...100.00 (1) Silver Coin mine, Valmy, Iron Point district, Nevada, USA; average electron microprobe analysis...Distribution: Silver Coin mine, Valmy, Iron Point district, Nevada, USA [TL]. In Australia, at Tom’s quarry...Rixon’s Sandstone quarry in Victoria. At an unnamed pegmatite prospect near Linopolis, Minas Gerais, Brazil |  | | Journal (article/letter/editorial) | | throughout the Wausau complex. I n the massive pegmatite, it commonly forms brown prismatic crystals surrounded...Texas 77479. Recent quarrying at the Little Patsy pegmatite has led to the discovery of fluocerite-(Ce), (Ce...(Ce,La)F . The Little Patsy quarry pegmatite is a well-zoned, vertical pipelike body with a circular...Chalet Place, Huber Heights, Ohio 45424. The pegmatite district of central Connecticut, commonly referred...early 1900s through the 1940s— quarries within the district, such as Strickland and Gillette, were highly |  | | Journal (article/letter/editorial) | | textural, and mineralogical attributes of a layered pegmatite dike from near Palomar Mountain, San Diego County...in composition, and for convenience, the term pegmatite will refer to those of granitic composition in...cavity (Silver Dollar Pocket) exposed at the Havey pegmatite, Maine, in October 2013; photo courtesy of Jeff...Morris; (b) elbaite in a clay-packed pocket, Havey pegmatite, showing a portion of a silver dollar for scale;...pegmatites. Location Tanco Manitoba, Canada Pegmatite Type (where known) complex Li petalite Source |  | | 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 (issue) | | but Espenshade (1954) identifies it as a short unnamed inclined adit accompanied by a small dump about...James RiverRoanoke River manganese and iron mining district. Mining for iron ore began during the Revolutionary...turquoise were reported (Sterrett, 1910). The district was explored for manganese ores by the Otter River...portion of the James River–Roanoke River manganese district, west of Lynch Station (after Espenshade, 1954)...deposits of the James River-Roanoke River manganese district. U.S.Geological Survey Bulletin 1008,134–135. |  | | Journal (article/letter/editorial) | | hambergite, danburite, and axinite from three pegmatite dikes (named Main, US Swamp, and Spessartine)...patterns of δ11BTur from margin-to-core of each pegmatite attest to a negligible fractionation of boron...only the bulk isotopic US composition of the pegmatite-forming melts. KEYWORDS AC CE PT ED M AN...influx of fluids from the host rock into the pegmatite (Trumbull et al., 2013). 3 ACCEPTED MANUSCRIPT...using the boron isotopic composition of each pegmatite to ascertain the likely source of the T boron |  | 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) | | meurigite-Na is the Silver Coin mine, Valmy, Iron Point district, Nevada, where it occurs as radial sprays of cream-colored...quarry in Victoria, Australia, and at an unnamed pegmatite prospect near Linopolis, Minas Gerais, Brazil...2003 at the Silver Coin mine, Valmy, Iron Point district, Nevada. The sprays of yellow to cream fibers...and SE¼ Sec. 2, T35N, R41E) Valmy, Iron Point district, Humboldt County, Nevada (Fig. 1). The following...muscovite, and quartz on a specimen from an unnamed pegmatite prospect near Linopolis, Minas Gerais, Brazil |  | | Journal (issue) | | SEPTEMBER–OCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................Erupción Mine, Mexico 11 x 10.5 x 5.2cm Quartz var. japan law twin, Ganesh Himal, Nepal, 10 cm Photo: Malte...volume 50, September–October, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2...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 |  | | Journal (issue) | | Mogok belongs to Mogok Township, in Pyin-U-Lwin District, in Mandalay Division, which borders Sagaing Division...January–February, 2022 Figure 3. The Ruby Mining District in Burma around Mogok, as surveyed by R. Gordon...component of a “twin city,” the other being the town of Kyatpyin, 12 kilometers southwest of Mogok. The...gem-mining equipment. Just outside the edges of town there are numerous muddy pit mines with accompanying...market/bazaar—which “floats” every five days from one town to the next—occupies many acres of stands 16 in |  | London, D., Morgan, G. B., Paul, K. A., Guttery, B. M. (2012) Internal Evolution of Miarolitic Granitic Pegmatites at the Little Three Mine, Ramona, California, USA. The Canadian Mineralogist, 50 (4) 1025-1054 doi:10.3749/canmin.50.4.1025 | Journal (article/letter/editorial) | | the temperatures recorded by feldspars in the pegmatite that surrounds the miarolitic pockets, then the...compositions. Keywords: miarolitic, granitic pegmatite, modal analysis, bulk composition, alkali feldspars...Three mine are located within the Ramona pegmatite district, ~7.5 km east of Ramona, San Diego County...The Main dike contains the thickest section of pegmatite, 1026 the canadian mineralogist up to ~2.5...dikes in Foord et al. (1989). Other small, unnamed pegmatite dikes occur on the property. Geometry of the |  | | 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...case of the island of Laven in the Langesundfjord District of Norway. Interestingly, and in contrast to its...and partially studied and unnamed (UK) minerals. For the unresolved unnamed minerals, all available technical |  | | Book | | Strontian crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto)...21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil 25:165-170 9 AUTHOR/TITLE...23:209-225. 23:228 Al 'JAJ\ABO~OINA The Anjanabonoina pegmatite. Madagascar (by W. E. Wilson) 20:191-200 A.'\...Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from...Arizona (by W. A. Thompson) 11:248-250 The Tombstone district, Cochise County, Arizona (by S. A. Williams) 11:251-257 |  | | Journal (article/letter/editorial) | | Hampton submitted several samples from an unnamed pegmatite feldspar mine in Middleton. Two of the specimens...quarry at Glendale has produced a large variety of pegmatite phosphate minerals. Among these is the species |  | | Book (volume) | | the same priority. Many such reports list only the town where a find was made. The reader will note locality...California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...mine name. Similarly, many collectors only put the town name on their specimens because they themselves...the bold generic names. The usual order will be town (generic) followed by locality (specific). Some...geological names will be used in a generic sense with town names as the more specific entry. References which |  | | Journal (article/letter/editorial) | | beryllium and the crustal Be cycle from migmatite to pegmatite JOSEPH M. EVENSEN*† and DAVID LONDON School of...the final stages of the petrogenesis of granite–pegmatite systems. In combination with reported data on...(Table 1), although the database is skewed toward pegmatite samples that contain abnormally high contents...illustrates the distribution of Be in a schematic pegmatite dike initially Mineral/melt partitioning and...Table 11. Beryllium reservoirs in a schematic pegmatite dike. Temperature (°C) 700 600 500 400 Be |  | | Journal (issue) | | Golden Topaz, 3.5 inches, from Katlang, Mardan District, Pakistan; Freilich Collection. OPENING SPREAD:...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...5 inches. S' Q uartz crystals, including a Japan-law twin, from the Brumado mine, Bahia, Brazil;...on matrix, from Ghundao Hill, Katlang, M ardan District, Pakistan; 3.15 inches. ♦ 61 ♦ T opaz with |  | | Report (issue) | | OF THS FUJKTKSS SPRUCE PIHB DISTRICT, ISOlCffl CABOLIHA by Donald A* Brobst This report la praliminary...Geologic map of the Plumtree area, Spruce Pine district, Forth Carolina.................................Figure 1. Index map of Plumtree area, Spruce Pine district, North Carolina .................................. 42 ?. Muscovite in the vail zone of the pegmatite in tha Meadow mine, Avery Co. ..................structure map of the Plumtree area, Spruce Pine district , Horth Carolina. .............. 10. Geologic |  | | 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...Articles related to the minerals or mines of this district are welcome for Publication in The Picking Table...crystals, epidote crystal druses, stromatolites, pegmatite with a pink scapolite/ diopside mix, and sparkly...International License. Geology of Double Rock Pegmatite From the Buckwheat Open Cut Richard A. Volkert |
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