 | Černý, Petr, Chapman, Ron, Ferreira, Karen, Smeds, Sten-Anders (2004) Geochemistry of oxide minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite trend. American Mineralogist, 89 (4) 505-518 doi:10.2138/am-2004-0405 | Journal (article/letter/editorial) | | minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite... SE-752 36 Uppsala, Sweden 1 ABSTRACT The complex, petalite-subtype Varuträsk pegmatite in the Proterozoic...Proterozoic rocks of northern Sweden is, as a whole, rather poor in Nb and Ta. The pegmatite consolidated...pegmatites. The degree of cation order in the Varuträsk columbite-group minerals increases from early...minerals and cassiterite in the petalite-subtype Varuträsk pegmatite emphasizes the importance of specific |  | | Journal (volume) | | also been reported from Fremont County, Wyoming, and from Cunnison County, Colorado (Dooley and Hathaway...Connecticut (Hildebrand et al., 1957) and in Amelia County, Virginia (Mitchell, 1965). Closely resembling... p. 121) in contemplating the genesis of the Varuträsk pegmatite. During the hydrothermal stage, fluids...brought to light at Kaatiala. From the Varuträsk pegmatite in Sweden (Quensel, 1956), the Haapaluoma pegmatite...some differences in the formation stages. At Varuträsk the pneumatolytic Li-stage preceded the Na-stage |  | Vignola, Pietro, Gatta, G. Diego, Hatert, Frédéric, Guastoni, Alessandro, Bersani, Danilo (2014) On the crystal-chemistry of a near-endmember triplite, Mn2+2(PO4/sub>)F, from the Codera valley (Sondrio Province, Central Alps, Italy) The Canadian Mineralogist, 52 (2) 235-245 doi:10.3749/canmin.52.2.235 | Journal (article/letter/editorial) | | Ranch and Mt Loma, Arizona (Hurlbut 1936); Varuträsk, Sweden (Mason 1941); Mica Lode and School Section...(1969) using a sample from Mica Lode, Freemont County, Colorado. The chemical composition of a sample...solid solutions have different symmetries [e.g., topaz: Al2SiO4(F,OH)2, Gatta et al. 2006a,b]. The chemical...new and remarkable mineral locality in Fairfield County, Connecticut. American Journal of Science 16, 33–46... (2006a) New insight into crystal chemistry of topaz: A multi-methodological study. American Mineralogist |  | | Journal (article/letter/editorial) | | enriched (LCT) (Černý and Ercit 2005) pegmatites and topaz-bearing granites (e.g., Černá et al. 1973; London...included the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, Havey pegmatite, and Minas Gerais....They were associated with lacroixite, quartz, and topaz. Moreover, tantalite-(Mn), microlite, and minor...included the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, Havey pegmatite, and Minas Gerais (Supplemental1...from the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, and Havey pegmatite correspond to the |  | | Journal (article/letter/editorial) | | columbite–tantalite and pyrochlore groups within the lepidolite, topaz and montebrasite assemblages typical of the La Canalita...subhedral laths up to several centimeters in length. Topaz and montebrasite are accessory minerals, although...although locally they can be considered major phases. Topaz forms subhedral to euhedral crystals reaching 3...crystallization sequence, and other phases, such as topaz or lepidolite, incorporate the fluorine instead...similar contents of albite, quartz, white mica, topaz and montebrasite. Next comes the wall zone, formed |  | | Journal (article/letter/editorial) | | gem-quality minerals, including beryl, tourmaline, topaz, and spodumene, commonly found in miarolitic pockets...phases of the Wiborg batholith are leucocratic topaz-bearing alkali-feldspar granites, which commonly...upper parts and pegmatite zones such as the Kymi topaz granite stock and the Eurajoki stock (Haapala, 1995...are found containing gem-quality smoky quartz, topaz, and beryl (e.g., Lyckberg, 2006). The Luumäki pegmatite...(Fig. 1). The Luumäki pegmatite is classified as a topaz–beryl pegmatite of the miarolitic rare-element class |  | Antunes, Isabel Margarida Horta Ribeiro, Neiva, Ana Margarida Ribeiro, Ramos, João Manuel Farinha, Silva, Paulo Bravo, Silva, Maria Manuela Vinha Guerreiro, Corfu, Fernando (2013) Petrogenetic links between lepidolite-subtype aplite-pegmatite, aplite veins and associated granites at Segura (central Portugal) Geochemistry, 73 (3) 323-341 doi:10.1016/j.chemer.2012.12.003 | Journal (article/letter/editorial) | | involved in the crystallization of tourmaline, topaz, montebrasite–amblygonite, lepidolite, and influence...muscovite (mu) with associated plagioclase (plag); (d) topaz associated with quartz and cassiterite. 3. Petrography...also contain frequent amblygonite–montebrasite, topaz, lepidolite, cassiterite, tapiolite, columbite,...crystals of topaz associated with quartz, plagioclase and locally with cassiterite (Fig. 2d). Topaz contains...distinct (Fig. 11), as expected. 8.6. Apatite 8.4. Topaz Topaz from lepidolite-subtype granitic aplite-pegmatite |  | Billström, Kjell, Mattson, Benny, Söderlund, Ulf, Årebäck, Hans, Broman, Curt (2012) Geology and Age Constraints on the Origin of the Intrusion-Related, Sheeted Vein-Type Åkerberg Gold Deposit, Skellefte District, Sweden. Minerals, 2 (4) 385-416 doi:10.3390/min2040385 | Journal (article/letter/editorial) | | Vein-Type Åkerberg Gold Deposit, Skellefte District, Sweden Kjell Billström 1,*, Benny Mattson 2, Ulf Söderlund...Box 50007, Stockholm 10405, Sweden Boliden Mineral AB, Boliden 93681, Sweden; E-Mails: benny.mattson@boliden...Lund University, Sölvegatan 12, Lund SE-22362, Sweden; E-Mail: ulf.soderlund@geol.lu.se Department of...Sciences, Stockholm University, Stockholm 10691, Sweden; E-Mail: curt.broman@geo.su.se * Author to whom...(~1.9 Ga) Skellefte mining district in northern Sweden hosts abundant base metal deposits, but there are |  | | Journal (article/letter/editorial) | | microlite, Li silicates, lepidolite, cassiterite, topaz Rare-metal carbonatites1,2,7,8 Carbonatite (50%...have evidence of metasomatism include Varuträsk, Northern Sweden (Siegel et al. 2016), Cínovec/ Zinnwald...Marignac, C., and Weisbrod, A. (1992) The Beauvoir topaz-lepidolite albite granite (Massif Central, France):...late-stage sodium enrichment, Brazil Lake, Yarmouth County, Nova Scotia. I. Geological setting and petrology...hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden). Chemical Geology, 421, 1–16 |  | | Journal (article/letter/editorial) | | acidity; increasing HF stabilizes lepidolite + topaz in some members of this subtype (cf. London 1982)...The topaz–beryl type is known from a number of localities in its “end-member” composition, topaz–beryl...e type refers to an extreme counterpart of the topaz–beryl type, characterized by a conspicuous concentration...representatives across their narrow spectrum. The beryl–topaz type is typical of some of the classic gem-producing...family relates to the abundance of fluorite or topaz, or both, in the “prototype” NYF pegmatites; neither |  | Rao, C., Wang, R. C., Hu, H., Zhang, W. L. (2009) COMPLEX INTERNAL TEXTURES IN OXIDE MINERALS FROM THE NANPING No. 31 DYKE OF GRANITIC PEGMATITE, FUJIAN PROVINCE, SOUTHEASTERN CHINA. The Canadian Mineralogist, 47 (5) 1195-1212 doi:10.3749/canmin.47.5.1195 | Journal (article/letter/editorial) | | tapiolite. Černý et al. (2004) found that in the Varuträsk granitic pegmatite, the inclusions of wodginite...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite–tantalite...Marignac, C. & Weisbrod, A. (1992): The Beauvoir topaz–lepidolite albite granite (Massif Central France) |  | Gonçalves, , Melgarejo, , Alfonso, , Amores, , Paniagua, , Neto, , Morais, , Camprubí, (2019) The Distribution of Rare Metals in the LCT Pegmatites from the Giraúl Field, Angola. Minerals, 9 (10) 580 doi:10.3390/min9100580 | Journal (article/letter/editorial) | | and spodumene for ceramics) or gemstones such as topaz, tourmaline, aquamarine, spodumene, among others...[33] and Mason [34] in the pegmatites of Varuträsk (Sweden), and later located in most of the pegmatite...hydrogen isotopic composition of micas from the Varuträsk rare-element pegmatite was also used as an argument...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite...421–438. [CrossRef] Quensel, P. Minerals of the Varuträsk pegmatite. I: The lithium manganese phosphates |  | | Journal (volume) | | ......... .. .. Thori,te ...... ... ... ...... Topaz .. . ...... . ... . ...... Bertrandite . ..... ...garnet, zircon and in some X X X X X pegmatites topaz are aften associated with the lithium minerals....Post, Kenya (Richardson 1975). Rose muscovite, Varuträsk, Swede n (Berggren 1941). Rose muscovite, Goshen...lepidolite, amblygonite-montebrasite, tantalite and topaz. X-ray fluorescence analyses show that the yellow...determined 1. Bertrandite, Kolsva, Västmanland, Sweden (Märtensson 1960). 2. Bertrandite, Zabai.kalja |  | Sunde, Øyvind, Friis, Henrik, Andersen, Tom, Trumbull, Robert B., Wiedenbeck, Michael, Lyckberg, Peter, Agostini, Samuele, Casey, William H., Yu, Ping (2020) Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites. Lithos, 352. 105293 doi:10.1016/j.lithos.2019.105293 | Journal (article/letter/editorial) | | consisting of e- quartz, albite, tourmaline, topaz, fluorite, hambergite, and jeremejevite. Hambergite...samples is similar to that for the peraluminous Varuträsk and Borborema pegmatites and with the range of...history of the Himalaya Mine, Mesa Grande, San Diego County, California. Rocks Mineral. 73, oo f 156-180...hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden). rn Chemical Geology 421...sch=schorl, spd = spodumene, sps=spessartine, tpz=topaz, tur=tourmaline, wgm=wöhlerite group minerals. Minerals |  | Galliski, M. A., Marquez-Zavalia, M. F., Cerny, P., Martinez, V. A., Chapman, R. (2008) THE Ta-Nb-Sn-Ti OXIDE-MINERAL PARAGENESIS FROM LA VIQUITA, A SPODUMENE-BEARING RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS, ARGENTINA. The Canadian Mineralogist, 46 (2) 379-393 doi:10.3749/canmin.46.2.379 | Journal (article/letter/editorial) | | minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite-tantalite...Vertical variations in the mineralogy of the Yichun topaz–lepidolite granite, Jiangxi Province, southern China...late-stage sodium enrichment, Brazil Lake, Yarmouth County, Nova Scotia. I. Geological setting and petrology |  | | Journal (volume) | | cIeavelandite, quartz, museovite, brownish lepidolite, topaz, green elbaitie tourmaline, mierocIine, blue-green...elbaite. Yellowish or pinkish beryl, montebrasite, topaz, eolumbite-tantalite, eassiterite, Mn-rich blue-green...Simpson 1978), Bikita (Cooper 1964), or even Varuträsk (Quensel 1938, 1945). In contrast, low-temperature...104 - 106. Quensel, P., 1938. Minerals of the Varuträsk pegmatite. XIII. Pollucite, its vein material...612 - 634. Quensel, P., 1945. Minerals of the Varuträsk pegmatite. XXXVI. Further alteration products |  | | Journal (article/letter/editorial) | | de Salamanca. Mason, B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some iron-manganese phosphate...products, with special reference to material from Varuträsk. Geolpgoske Föreniugen i Stockholm Förhandlgar...(1984) Petrogenesis of tourmaline granites and topaz granites—the contribution of experimental-data....35, 31–50. Quensel, P. (1937) Minerals of the Varuträsk pegmatite. I: The lithium-manganese phosphates...South Platte granite-pegmatite system, Jefferson County, Colorado. Geochimica et Cosmochimica Acta, 51 |  | Novák, Milan, Sejkora, Jiří, Škoda, Radek, Budina, Václav (2008) Bismutotantalite-stibiotantalite-stibiocolumbite assemblage from elbaite pegmatites at Molo near Momeik, northern Shan State, Myanmar. Neues Jahrbuch für Mineralogie - Abhandlungen, 185 (1) 17-26 doi:10.1127/0077-7757/2008/0108 | Journal (article/letter/editorial) | | locality Sakangyi near Mogok) with large crystals of topaz. Their mineral assemblages suggest evident LCT signature...minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Sweden. – Amer. Miner. 89: 505–518. ČERNÝ |  | Galliski, M. A., Cerny, P., Marquez-Zavalia, M. F., Chapman, R. (2012) An association of secondary Al-Li-Be-Ca-Sr phosphates in the San Elias pegmatite, San Luis, Argentina. The Canadian Mineralogist, 50 (4) 933-942 doi:10.3749/canmin.50.4.933 | Journal (article/letter/editorial) | | Sr mobility in and around the albite–lepidolite–topaz granite of Beauvoir (France): an in-situ ion and...(104-106). Quensel, P. (1956): The paragenesis of the Varuträsk pegmatite, including a review of its mineral assemblage |  | | Journal (article/letter/editorial) | | thicker Main dike culminates in cavities containing topaz, elbaite, lepidolite, PT boromuscovite, hambergite...has been a significant source of fine crystals of topaz, elbaite, lepidolite, feldspar, quartz, hambergite...1991a. Gem-bearing CE pegmatites of San Diego County, California. Geol. Excursions South. Calif. Mex...Three min pegmatite, Ramona district, San Diego County, California. Am. Mineral. 76, 1998–2002. Foord...Three mine pegmatites, Ramona district, San Diego County, California 20, 101– 127. 31 ACCEPTED MANUSCRIPT |  | Michallik, Radoslaw M., Wagner, Thomas, Fusswinkel, Tobias, Heinonen, Jussi S., Heikkilä, Pasi (2017) Chemical evolution and origin of the Luumäki gem beryl pegmatite: Constraints from mineral trace element chemistry and fractionation modeling. Lithos, 274. 147-168 doi:10.1016/j.lithos.2017.01.001 | Journal (article/letter/editorial) | | ine (NYF) IP pegmatite system belongs to the topaz-beryl type of the rare-element pegmatite class....the principal sources of gemstones such as beryl, topaz, and tourmaline (London, 1986b, 2008; London and...miarolitic pegmatites with gem quality topaz in highly fractionated topaz granites of the Kymi and Eurajoki...latest felsic intrusions are highly fractionated topaz granites, which occur in the Kymi stock (Haapala...features are best developed in the latest-stage topaz granites MA of the Kymi stock (Haapala and Lukkari |  | | Journal (article/letter/editorial) | | mainly composed of quartz, tourmaline, muscovite, topaz, apatite, cassiterite, wolframite, arsenopyrite...contain variable amounts of tourmaline, cassiterite, topaz and early arsenopyrite; 294.5 ± 0.9 Ma for the main...minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite...minerals from the Perless pegmatite, Pennington County, South Dakota. American Mineralogist 70, 1044–1049 |  | | Book | | from minerals found in the pegmatite at Ytterby, Sweden. Both supposed oxides were later found to be mixtures...eourse of analyzing pegmatite minerals from Ytterby, Sweden and Kimito, Finland. The new "element" was named...fractures in altered greenstones from San Benito County, California, is reported with 20.57 wt.% RE2 0...syenites and a1kali granites like the Bastnässkarns (Sweden) and the Mountain Pass carbonatites (California)...in granitic pegmatites (fluocerite from Österby, Sweden), albitized alkali granites and albitites emanating |  | | Journal (article/letter/editorial) | | valuable mineral specimens (of beryl, tourmaline, topaz, etc.). All of the salient features of pegmatites...90% quartz (Miller, 1919), and topazite, a quartz-topaz rock that is interpreted as igneous in origin (Eadington...the common occurrence of Y-rich fluorite or of topaz. In their major element chemistry, the NFY pegmatites...emphasis on their F-rich character as an abundance of topaz. These could include, for example, the Mole granite...based on his examination of pegmatites in San Diego County, California (e.g., Jahns, 1954, 1979). In the U |  | | Book (volume) | | other three, are arranged from north to south. For Sweden, a general summary of the metallogeny of that country...the one that contains the iron ores of central Sweden in which the numerous ore bodies are of a few 5...District, all the deposits of which are located in Västerbotten province. This district is here divided into...follow three other deposits in Västerbotten, Lainijaur, Stekenjokk, and Varuträsk, no one of which is genetically...countries: Ireland England Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland Poland USSR 12 2 30. These 80 |
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