 | | Book | | [the Santa Lucia and Sa Duchessa mines,] Sardinia [Italy] (by F. Olmi, C. Sabelli & G. Brizzi) 19:305-310...ALBERTINI, CLAUDIO Famous mineral localities: Baveno, Italy 14:157168 ALBITE Davis Hill near Bancroft, Ontario:...8:287-293 Minerals of the Alpine rodingites of Italy (by C. M. Gramaccioli) 10:85-89 Micromounting in...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 |  | | Journal (issue) | | CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ......sapphires, rubies, zircon, topaz, tourmaline, garnets, quartz and many other minerals used as gemstones. ln 9Chapters...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 |  | | 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...variety of albite, calcite, epidote, muscovite, quartz, titanite, chabazite, and stilbite. Another important...caught my breath and hoped it wasn’t a shard of quartz. Carefully, I used just my index finger to push...coated and uncoated with chlorite and a few small quartz specimens, but no more fabulous apatites. Of course |  | | 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 |  | | Journal (issue) | | ................................. 2 Himalaya pegmatite,...................................................................................... 2 Unnamed pegmatite occurrence, Volcan Mountains ....................................... 3 Brown Derby no. 1 pegmatite ............................................................................... 3 Ridgefield pegmatite,............................................................................... 3 Strickland pegmatite, ............................................ |  | | Journal (article/letter/editorial) | | Mines and Minerals of the California Pegmatite Province Downloaded by [Pennsylvania State University]...the past century, the Southern California pegmatite province has been the source of some of the world’s...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) | | igneous rock in which nearly equal proportions of quartz (SiO2), plagioclase, and alkali feldspar (as separate...kunzite, with quartz, lepidolite, and albite, 26 × 17 × 13 cm, Kunar Valley, Nuristan Province, Afghanistan;...textural, and mineralogical attributes of a layered pegmatite dike from near Palomar Mountain, San Diego County...innermost feldspathic intermediate zone and the quartz core, as is typical of many occurrences (also see...in composition, and for convenience, the term pegmatite will refer to those of granitic composition in |  | | Journal (issue) | | crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...turquoise crystals on either a mica schist or a white quartz breccia recovered from the dumps of this small...but Espenshade (1954) identifies it as a short unnamed inclined adit accompanied by a small dump about...penetrated schist and also a brecciated zone of white quartz; breccia specimens are commonly cemented by turquoise...specimen consists of irregular fragments of glassy quartz which are in part cemented together by thin veins |  | | 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...massesup to 3 X 3 X 2 cm in size in quartz-microcline pegmatite at Fusamata, Kawamatamachi, Fukushima...from the nearby Suishoyama (formerly Iisaka) pegmatite as an alteration product of thalenite. The name |  | | Journal (article/letter/editorial) | | rhombohedra of dolomite, and transparent, pris matic quartz crystallized concurrently. Phase 3 included Volume...throughout the Wausau complex. I n the massive pegmatite, it commonly forms brown prismatic crystals surrounded...surrounded by pleochroic halos. I n some quartz pods in the interior zones of pegmatites in the Stettin...pyrochlore, rutile, anatase, brookite, feldspars, and quartz. It is one of the most abundant and easily obtainable...Texas 77479. Recent quarrying at the Little Patsy pegmatite has led to the discovery of fluocerite-(Ce), (Ce |  | | Journal (article/letter/editorial) | | cross-section and were individually scattered in pyrite-quartz matrix. The grains could be scratched by a pin...phlogopite, prehnite, pyrite, pyroaurite, pyrrhotite, quartz, schorl, shandite, sphalerite, thompsonite, vesuvianite...Hampton submitted several samples from an unnamed pegmatite feldspar mine in Middleton. Two of the specimens...cleavelandite variety of albite, buff microcline, smokey quartz, lepi dolite, pink elbaite, altered zircon, uraninite...found, as well as one single crystal on smokey quartz 2 x 1 cm. Within this cluster of locations, the |  | 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) | | includes (in approximate order from early to late) quartz, barite, apatite-(CaF), goethite, rockbridgeite...quarry in Victoria, Australia, and at an unnamed pegmatite prospect near Linopolis, Minas Gerais, Brazil...phosphatic-argillite of late Paleozoic age. Veins consisting of quartz, barite, pyrite, argentiferousgalena, and sphalerite...(in approximate order from 721 early to late) quartz, barite, apatite-(CaF), goethite, rockbridgeite...leucophosphite, muscovite, and quartz on a specimen from an unnamed pegmatite prospect near Linopolis, Minas |  | | 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) | | 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 |  | | Book | | Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...major associations of Swiss hematite iron roses are quartz, ortboclase, albite, rutile, and zeolites (especially |  | | 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) | | 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) | | the U.S., Germany, Austria, Switzerland, France, Italy, Great Britain, Hungary, Yugoslavia, Romania, Ceylon...Wulfenite | Erupción Mine, Mexico 11 x 10.5 x 5.2cm Quartz var. japan law twin, Ganesh Himal, Nepal, 10 cm...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 |  | | Journal (issue) | | localities: Spruce Ridge in King County, Washington (for quartz and pyrite) and the Rock Candy mine in British...Rhodochrosite on Manganite N'Chwaning Mine, Northern Cape Province, South Africa. 8.7 cm In 1978 a historic discovery...tourmaline, danburite, forsterite, fluorapatite, topaz, quartz and zircon, plus rare species like hibonite, johachidolite...fine specimens of hambergite, pollucite, topaz, quartz, aquamarine beryl and lepidolite (Hla Kyi et al...gemmy red elbaite crystals clustered on matrix with quartz and feldspar have emerged from Pyinygi Taung, where |  | | 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) | | their own right, like the Medici of Renais sance Italy, they know that an artist brings something special...possesses those specimens of smoky quartz, California lapis, stibnite in quartz and a polished agate. In 1952...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... TOPAZ WITH TOURMALINE ON LEPIDOLITE BRAZILIANITE QUARTZ IVARHTV-ROHei MIRA# OCAAIt, AAAXIL TOURMALINE |  | 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 thinner (Swamp) dike. Fluid inclusions within quartz and topaz from miarolitic cavities of the Main...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...Little 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 |  | | Journal (issue) | | 719-634-0635 (By Appt. Only) Amazonite & Smoky Quartz Fine Colorado Minerals Genesis Epoch Mel & Pam...719-442-6630 Producing Colorado Amazonite & Smoky Quartz. Beginner to Advanced, W orldwide M inerals http://w...commonly hollow but may be lined or filled with quartz, hematite or jarosite. The stock is riddled by...Mineralization in the sulfide zones probably began with quartz, pyrite and cassiterite, followed by stannite and...andorite as occurring in compact masses with pyrite, quartz and cassiterite in the Santa Rita adit, and give |  | | Report (issue) | | mica ................ Garnet .................. Quartz .................. Accessory minerals ............. 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...abundance are plagioclase, perth.it ic mlcrocline, quartz, and muscovite. All of thess mineral*, as well...Sorvey Professional Paper describing pegmatite* in the Blue Iddge Province* In 1948, the general geologic Mapping |  | | Journal (article/letter/editorial) | | beryllium and the crustal Be cycle from migmatite to pegmatite JOSEPH M. EVENSEN*† and DAVID LONDON School of...melt and alkali feldspars, plagioclase feldspars, quartz, dark mica, and white mica were determined by experiment...alkali feldspar (0.38 – 0.19 from 680 – 850°C), quartz (0.24 at 800°C), and albite (0.10 at 750°C). The...alkali feldspar (0.18 – 0.14 from 680 –700°C), and quartz (0.17– 0.08 from 750 – 800°C), but higher in the...the final stages of the petrogenesis of granite–pegmatite systems. In combination with reported data on |
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