 | | Journal (article/letter/editorial) | | October 2017 Gem pegmatites of northeastern Afghanistan pg 610-675. Main article in Special Issue of...SEPTEMBER-OCTOBER 2017 Gem pegmatites of Northeastern Afghanistan By Peter Lyckberg Contents Introduction...............614 Nuristan Province........................................616 Mawi Pegmatite...............................619 Nilaw and Korgal Pegmatites.............. 630 Kulam Pegmatite...................................................... 633 Parun Pegmatite Field ......................... 656 Kunar Province |  | | Journal (issue) | | quartz and cleavelandite, 14.5 cm, from Paprok, Nuristan, Pakistan. Collector’s Edge Minerals specimen;...SEPTEMBER–OCTOBER 2017 Gem pegmatites of Northeastern Afghanistan By Peter Lyckberg Contents Introduction ............614 Nuristan Province ...........................................616 Mawi Pegmatite ............................619 Nilaw and Korgal Pegmatites ...............630 Kulam Pegmatite .....................................................633 Parun Pegmatite Field ............................656 Kunar Province |  | | Journal (article/letter/editorial) | | Colorado 80210 markivanjacobson@gmail.com No pegmatite mineral collection is complete without octahe-...Fluorite is almost always a late-stage mineral in pegmatite cavities, forming a colorful, attractive icing...training, with a long-term specialty in collecting pegmatite minerals. He currently works in Chengdu, Sichuan...13 August 2013 2 Locality Parental Granite Pegmatite Class Mineral associates of significance Crystal...minerals Simmons and Heinrich (1980) 8 Badu pegmatite, Llano County, TX, USA Intrusive into metamorphic |  | | Catalog/List | | could be a result of careless mass packaging in the field, or just the stream abrasion that certainly affected...structure. When the Iron that is normally present in pegmatite pockets is deficient, and there is plenty of Manganese...Elbaite. Compared to the output of place such as Afghanistan or Brazil, the production from Elba is relatively... 73043 ELBAITE with FELDSPAR & QUARTZ Rosina Pegmatite, San Piero in Campo, Campo nell’Elba, Elba Island...out from the Rodina, concerning the Malkhan Pegmatite Field: an area of some 60 square kilometers, southeast |  | | Journal (issue) | | Mineralogical Record to recognize individuals for field collecting achievements contributing to the heritage...school field trips for his wife’s third grade classes, Bob started “Geology Adventures,” a field-trip business...lived. Lanny and I had been working on publishing a field guide to all of the Cascade volcanoes. One of us...ruby-red spinel. This fame is widespread in the field of gemology, but mineral collectors may be less...have also yielded fine specimens of hambergite, pollucite, topaz, quartz, aquamarine beryl and lepidolite |  | | Journal (issue) | | deposits, and consequently with such severely limited field collecting opportunities, should foster a hot-bed...locations and contemporary deposits developed by field collectors. Size is not the main focus, as quality...Roberts, and subsequently discovered several new pegmatite minerals in the Black Hills of South Dakota; Bill...Almandine-spessartine on albite, 4.9 mm, Poaia pegmatite, Minas Gerais, Brazil. Beth Van Allen photo. ...(tiny pink spheres), 5-mm view, from the Tip Top pegmatite, Fourmile, Custer County, South Dakota. Thomas |  | | Book | | AFRICA SoumAFRicA N'Chwaning II mine, Kalahari field, Northern Cape [Cape] Province. Although not quite...mcdougallminerals.com, 2015). Wessels mine, Kalahari field, Northern Cape [Cape] Province. Mining began in...Swanson quarry, East Haddam, Middlesex County. The pegmatite of the Swanson quarry is locally famous for its...2002). AFRICA MOZAMBIQUE Nanro [Naquissupa] pegmatite, Alto Ligonha district, Zambezia Province. In...pegmatites, ixiolite occurs solely in the Nanro pegmatite, where small, dull gray-black lenticular ixiolite |  | | Book | | identify gems and cannot be considered a gemology field guide or handbook. Previously unpublished photographs...Henry VIIl of England did when they met on the Field of Cloth of Gold in 1520 in the hope of political...reach the beryl or tourmaline crystals found in a pegmatite. Be- pound accommodations golden gems, with...Badakhscan, 5 by 5 cm. Sorbonne collection Afghanistan rocks with no direct relationship to intrusions;...tourmaline). (for example, watermelon If the crystal field is not uni- form over the gem (as in anisotropic |
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Mawi pegmatite, Nilaw-Kolum pegmatite field, Nuristan, Afghanistan