 | | Report (issue) | | Association: Sassolite, ramanite-(Rb), santite, topaz, boron-rich silicate glass, boric acid-saturated...[TL]; in the Ehrenfriedersdorf pegmatite, in topaz of the Wolfsgrün pegmatite from the Eibenstock granite...from the Malkhan pegmatite, Transbaikalia, Russia; in hambergite from the Mika pegmatite, Rangkul pegmatite...eastern Pamirs, Tajikistan; and a solid-solution series of (Rb,K)B5O8·4H2O in topaz from Gross Spitzkoppe |  | | Book | | Kuranakh Kuranakh River Ryabinovyi massif Rangkul' pegmatite field Rangkul' Khibiny Karaminskii Range Central...Agate Agate Karamazar district Bektau-ata Prutov's Topaz Kop Vishnevye Mts. Il'menskie Gory llmenskie Mts...Mamskoye district Kalbinskii Range Kukurt River Rangkul' Karmen-Kuus Ognevka Chorukh-Dairon deposit Putelichorr...deposit Kastel Mt. Mamskoye district Kukurt River Rangkul' Goletz Granatovyi Mamskoye deposit Shueretskoye...Udachnaya Zapadnaya pipe Khachakchan Rangkul'skoye pegmatite field Zorburulyuk River Ploskaya Mt. Vyuntspakhk |  | | Report (issue) | | Association: Sassolite, ramanite-(Cs), santite, topaz, boron-rich silicate glass, boric acid-saturated...hambergite from the Mika pegmatite, Rangkul pegmatite field, eastern Pamirs, Tajikistan. Likely more common |  | | Journal (article/letter/editorial) | | implications for the enrichment of Be in granite–pegmatite systems R. Thomas • J. D. Webster • P. Davidson...Be concentration and transport mechanisms in pegmatite-forming melts. In this contribution, we present...Hobart 7001, Australia F-, P-, ± Li-enriched pegmatite-forming magmas. Starting from host granite with...crystallization and further enrichment in melt patches of pegmatite bodies due to melt–melt immiscibility at fluid...In the case of evolved volatile and H2O-rich pegmatite systems, B, P, and carbonates are important for |  | | Journal (issue) | | SWEDEN 5 Cover 1. Hambeigite. Ranglad 'skoye pegmatite field, E. Pamirs. 8x 4 cm. Specimen:A.M. Skrigitil'...probably, by the geologists' lack of knowledge in the field of jewelry stones. On the basis of the materials...concentrate thus obtained is subjected to so-called field enrichment. This process consists in the extraction...gwindel quartz, phenakite, quartz, rutile, titanite, topaz and other minerals) DALNEGORSK (17.08.97 - 04.09...pegmatites of the Rangkul' pegmatite field are distributed over the area of the Muzkol-Rangkul' anticlinorium |  | | Journal (article/letter/editorial) | | study of melt and fluid inclusions in graphic pegmatite quartz from the Island of Elba, Italy has identified...coexisting aqueous fluid from the final stage of pegmatite formation, which contain extremely high concentrations...During the study of melt and fluid inclusions in a pegmatite sample from the Island of Elba, we found two types...name. The holotype material coming from a small pegmatite vein found near the village San Pietro in Campo...fractionation of boron, cesium, and rubidium during pegmatite crystallization. Geological constraints and sample |  | | Catalog/List | | Lots” or type your desired Lot # into the “Search” field. Every lot is listed with full descriptions and...Sunday, May 4, 2014 | 12:00 PM CT 17 52013 TOPAZ and QUARTZ Bulochi, Astor Valley, Astor District...minerals, but the pale peach, highly transparent Topaz specimens are especially noteworthy. Usually coming...combination specimen, featuring a 2.38 inch (6.0 cm) high Topaz of wonderful transparency, partially embedded in...cm) tall. The Topaz and the Quartz are in remarkable condition, and there is a partial Topaz crystal of |  | | Journal (article/letter/editorial) | | inclusions in morganite crystals from the Muiane pegmatite, Mozambique and some remarks on the paragenesis...inclusions in morganite crystals from the Muiane pegmatite, Mozambique, show that the inclusions have extremely...crystallization from a boron- and beryllium-rich pegmatite-forming melt or (ii) these are daughter crystals...boric acid [H3BO3] is a characteristic of some pegmatite types worldwide. Moreover, Thomas et al. (2008a)...boric acid and alkali pentaborates in a graphic pegmatite from the Island of Elba, Italy. Likewise, pegmatites |  | | Journal (issue) | | displays bluish-green / light yellow pleochroism. Field of view 4.25 mm. Plane polarized light. Hte long...ofchromerich jadeite in hte long sein jadeite jade. Field of view 4.26 mm across. Cross polarized light. ...residual crystal in hte long sein jadeite jade. Field of view 4.8 mm across. Plane polarized light. 323...27, 6, 328-334 Gem-quality clinohumite from Tajikistan and the Taymyr region, northern Siberia Dr Ulrich...specimens have come from the Pamir mountains of Tajikistan. A new occurrence has been discovered in the |  | | Journal (issue) | | Azurite & malachite breccia. Morenci, Arizona, USA. Field - 10 cm. Phelps Dodge Morenci Collection. Photo:...deposits. For example, the placers of the Svetlinskoye Field in the Southern Urals, contain several minerals...large masses of slime t o reveal the rubies. Our field crew worked in this region in 1986 and suggested...which is difficult to observe, especially in the field. Feldspars, important rock-forming minerals, contain...Scheelite was the first mineral identified in the field based its luminescent properties. The scheelite |  | | Book (edition) | | authors and a stud) of recent literature in the field of mineralogy. Current encyclopedic books mostly...mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage. The collected...celestine, fluorite, and jarlite in cryolite pegmatite at Ivigtut, Greenland. MR 24, 36, 1993. Adamite...dept., France, also at Karakat, Karamazar Mts., Tajikistan. BM 111, 39-41, 1988. AM 84, 14641468, 1999....2V =78-82°. Radioactive. From alkaline syenite pegmatite in the Tatarka massif, Yenisey Kryazh, Krasnoyarsk |  | | 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 |  | | Journal (issue) | | Conclusions Raman spectroscopy offers a wide field of application in which mineralogical and A Raman...411 389 overseas or carved by diggers on the field might not represent all aspects of the product....T metamorphic window into the diamond stability field within the downgoing slab at half the depth required...129, 1996, pp 6-9, illus. in colour. range from topaz, opal, aquamarine, garnet (previously catalogued...deposits include mines of the Alabashka vein field (blue topaz and beryl), Izumrudnye Kopi (emerald |  | | Book (edition) | | in the Dara-i-Pioz alkaline massif, Alai Mts., Tajikistan. NDM 45, 5-16, 2010. Alflarsenite NaCa 2Be3[(OH)JSi4...late-stage hydrothermal mineral in a syenite pegmatite at Tvedalen, Langesundsfjord, Vestfold, Norway...Intergrown in thaleniteM crystals from the NYF-pegmatite at Askagen quarry, Viirmland, Sweden, in tiny...82, (+). In tiny secondary cavities in aplite-pegmatite veins within pink granite at Baveno, Novara prov...alluaudite, scorzalite and fluorapatite, in beryl-rich pegmatite at Angarf-Sud, near Tazenekbt,Ouarzazate prov |
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Rangkul' pegmatite field, Rangkul' Highlands, Gorno-Badakhshan, Tajikistan