 | | Report (issue) | | 10.455(2) Z=8 X-ray Powder Pattern: Varuträsk pegmatite, Sweden. 3.01 (10), 3.14 (9), 6.03 (8), 1.575...54 52.65 19.24 6.78 2.58 [98.79] (1) Varuträsk pegmatite, Sweden; by electron microprobe, total Sb as...unit of a complex granite pegmatite (Varuträsk pegmatite, Sweden). Association: Stibiotantalite, antimony...lithiophilite, alkalic beryl, cassiterite, columbite-tantalite, microlite (Varuträsk pegmatite, Sweden); cassiterite...Distribution: In the Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten, Sweden. Reported at the |  | Siegel, Karin, Wagner, Thomas, Trumbull, Robert B., Jonsson, Erik, Matalin, Gabriella, Wälle, Markus, Heinrich, Christoph A. (2016) Stable isotope (B, H, O) and mineral-chemistry constraints on the magmatic to hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden) Chemical Geology, 421. 1-16 doi:10.1016/j.chemgeo.2015.11.025 | Journal (article/letter/editorial) | | hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden) Karin Siegel a, Thomas Wagner...Resources, Geological Survey of Sweden, Box 670, SE-75128 Uppsala, Sweden e CEMPEG, Department of Earth...Sciences, Uppsala University, SE-75236 Uppsala, Sweden f Department of Earth Sciences, Institute of Geochemistry...evolution of the Varuträsk rare-element pegmatite (Skellefte District, Northern Sweden) has been investigated...tourmaline and coexisting micas, feldspar and quartz. Varuträsk is a classic and typical example of highly fractionated |  | 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) | | cleavelanditic albite, lepidolite, colored tourmalines, beryl (in five generations), cassiterite, zircon, xenotime...analyses of different varieties of potash feldspar, beryl and columbite are presented. From the Hunnakko pegmatite... . .. .. .. .. .. .. . . .. .. .. .. .. .. . . Beryl ..................................................Li-minerals, (Mn, Fe)-phosphates, Nb- and Ta-minerals, beryl and tourmaline. Pollucite has been met with in the...considerable rarity. Pegmatites containing an abundance of beryl and columbite have nonetheless been investigated |  | | Journal (article/letter/editorial) | | pegmatite, situated about 10 km. from Skelleftea, in Sweden. Three main stages can be distinguished : (a) An...quantity of black tourmaline. Occasionally some beryl is present. The muscovite is often developed in..., 1948. Pegmatites of Eight Mile Park, Fremont County, Colorado. Amer. Min., xxxiii, 420-448. WAHL, W...Intermediate Zone : Albite, microcline-perthite, quartz, beryl. 4. Inner Intermediate Zone : Microcline-perthite...23. The mica group 24. The tourmaline group 25. Beryl 20a. Montmorillonite 21a. Kaolin minerals 22a. |  | | Journal (article/letter/editorial) | | Trilithionite, polylithionite, albite, manganotantalite, beryl (goshenite), elbaite, stibiotantalite, and tantite...first identified in 1938 in lithium pegmatites of Sweden in association with petalite, spodumene, and lepidolite...STIBIOMICROLITE IN THE LEPIDOLITE VEIN The muscovite and beryl occurrences in pegmatites of the Dzhabyk–Karagai...Geological Expedition no. 8 found pegmatites with beryl, columbite, and lepidolite near the Annensky Settlement...Mnalmandine, gahnite, and greenish shortcolumnar beryl. The central zone up to 2–5 m thick is composed |  | | Journal (article/letter/editorial) | | country; he tackled classical localities such as beryl- and chrysoberyl-bearing pegmatites of Maršíkov...interests in Scandinavia, in particular in Sweden (e.g., Utö, Varuträsk) in the mid-1990s, then in Slovakia...attention to minerals of the cordierite group, beryl group, tourmaline group, milarite group, micas,...Pitinga, Amazonia, Brazil. The crystal chemistry of beryl from miarolitic pockets of granitic pegmatites at...pluton of the Wausau syenite complex, Marathon County, Wisconsin by Al U. Falster and colleagues; compositional |  | | Journal (article/letter/editorial) | | Fe-Mn-fosfater, beryll, Liturmaliner, f.eks. i Varuträsk nær Skelle eå i Nord-Sverige (Quensel 1956), Norrö...ovennevnte Be-fosfatene, mens de er fraværende i Varuträsk, som i stedet har mange andre fosfater, samt rikelig...first Be mineral from Västanå iron mine, Skåne, Sweden. Geol Fören. Stocholm Förhand. 124, 41-43. Referanser...CaO-BeO-SiO2 – P2O5-F2O_1 and the breakdown of beryl. Econ. Geol., 70: 12791292. Grew, E. S. & Hazen...pegma te at Norrö, southern Stockholm archipelago, Sweden. Geol Fören. Stocholm Förhand., 115, 159-164. Nysten |  | 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) | | pegmatite types, the most evolved belong to the beryl-columbite, beryl-columbite-phosphate and spodumene types...of the pegmatites, as well as the proportions of beryl and Li-rich minerals. The Ta/(Ta + Nb) ratio in...explored some mineralised pegmatites for muscovite and beryl during the Portuguese colonial times, up to the...peribatholitic pegmatites; type III are beryl-columbite pegmatites; type IV are beryl-columbiteperibatholitic pegmatites;...pegmatites; type III are beryl-columbite pegmatites; type IV are phosphate pegmatites, and type V are petalite-bearing |  | | Report (issue) | | monazite-(Ce), epidotegroup minerals, xenotime-(Y), zircon, beryl, spinel, garnet-group minerals. Distribution: From...Minas Gerais, Brazil [TL]; in the Varuträsk pegmatite, northeastern Sweden; in pegmatites of the Vigezzo |  | 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...and beryl as the main accessories. This pegmatite belongs to the Rare Element (REL-Li) type, beryl-columbitephosphate...brownish yellow elbaite and colorless to pale pink beryl (Guastoni 2012). In thin section, triplite occurs...new and remarkable mineral locality in Fairfield County, Connecticut. American Journal of Science 16, 33–46 |  | | Journal (article/letter/editorial) | | bifurcated or ill-defined fractionation trends. In beryl-type pegmatites, CGM have very variable compositions...The composition of the CGM in the postorogenic beryl-type pegmatites from the Punilla pegmatite field...Harding, New Mexico (Lumpkin 1998a, b), or Varuträsk, Sweden (Čern ý et al. 2004). Studies of CGM in larger...have a LCT signature and belong principally to the beryl, complex, albite and albite–spodumene types. Following...monzogranitic plutonism also produced pegmatites of the beryl type during Middle Devonian to Upper Carboniferous |  | | Journal (article/letter/editorial) | | “Quensel puts alluaudite in his supergene stage at Varuträsk; nevertheless, in some of its occurrences, it...slightly greenish mica, in niobotantalate minerals, in beryl, and in phosphate minerals. Finally, Van Wambeke...the phosphate associations from the Varuträsk pegmatite, Sweden. In addition, the absorption features...55, 103-116. MASON, B. (1941): Minerals of the Varuträsk pegmatite. XXIII. Some iron–manganese phosphate...products, with special reference to material from Varuträsk. Geol. Fören. Stockholm Förh. 63(2), 117-175. |  | | Journal (article/letter/editorial) | | geothermometry In rare-element pegmatites of the beryl-columbite-phosphates and spodumene subtypes (Černý... 1105–1115. Mason, B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some ironmanganese phosphate...products, with special reference to material from Varuträsk. Geologiska Föreningens i Stockholm Förhandlingar...1188–1194. Quensel, P. (1937) Minerals of the Varuträsk Pegmatite. I. The lithium-manganese phosphates |  | Roda-Robles, E., Pesquera, A., Gil-Crespo, P. P., Torres-Ruiz, J. (2012) THE PUENTEMOCHA BERYL-PHOSPHATE GRANITIC PEGMATITE, SALAMANCA, SPAIN: INTERNAL STRUCTURE, PETROGRAPHY AND MINERALOGY. The Canadian Mineralogist, 50 (6) 1573-1587 doi:10.3749/canmin.50.6.1573 | Journal (article/letter/editorial) | | DOI : 10.3749/canmin.50.6.1573 THE PUENTEMOCHA BERYL–PHOSPHATE GRANITIC PEGMATITE, SALAMANCA, SPAIN:...the Central Iberian Zone (Salamanca, Spain), is a beryl– phosphate granitic pegmatite hosted by a Variscan...K-feldspar, plagioclase, muscovite, biotite and beryl. Phosphates, pyrite, arsenopyrite and rutile occur...granitic melt is presumed to be sufficient to attain beryl saturation. The greisen bodies developed under subsolidus...Keywords: pegmatite, granite, internal zonation, beryl, Fe–Mn phosphates, Puentemocha, Salamanca, Spain |  | | Journal (article/letter/editorial) | | hydrothermal processes in the formation of miarolitic gem beryl from the Luumäki pegmatite, SE Finland Radoslaw...Luumäki pegmatite in SE Finland contain gem-quality beryl (heliodor) within a matrix of reddish hematite,...kaolinite, and bertrandite. Two different types of gem-beryl-bearing miarolitic pockets were observed, one in...structural position and the trace element chemistry of beryl. The stage-I gem beryls formed in miarolitic pockets...local alteration of some of the magmatic common beryl crystals, resulting in changes in their trace element |  | Pieczka, Adam, Cooper, Mark A., Hawthorne, Frank C. (2019) Lepageite, Mn32+(Fe73+Fe42+)O3[Sb53+As83+O34], a new arsenite-antimonite mineral from the Szklary pegmatite, Lower Silesia, Poland. American Mineralogist, 104 (7) 1043-1050 doi:10.2138/am-2019-6903 | Journal (article/letter/editorial) | | serpentinite. The pegmatite corresponds to the beryl–columbite–phosphate subtype of the REL-Li pegmatite...microcline, baryte, and hematite. The (Cs,Mg)-bearing beryl, (Cs,Mg)-bearing muscovite, Cs-bearing phlogophite...minerals formed prior to the crystallization of beryl and cordierite-group minerals, and metasomatic alteration...into an assemblage of (Mg,Cs)-enriched secondary beryl, mica-, chlorite-, and smectite-vermiculite-group...behavior are the well-known pegmatites at Varuträsk (Sweden) with löllingite, arsenopyrite, stibnite, |  | 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) | | niobian rutile, fergusonite, bertrandite, herderite, beryl, zircon and pollucite. The type-IV pegmatites are...include cassiterite, columbite–tantalite, zircon and beryl. Zone II (saccharoidal albite ± muscovite zone)...minerals, tapiolite, microlite, cassiterite, Cs-rich beryl, and pollucite. Zone V (blocky quartz – K-feldspar...(Fig. 5b), and Na-rich hydrothermal beryl after primary Cs-rich beryl (our unpubl. data). In addition, veins...tapiolite. Černý et al. (2004) found that in the Varuträsk granitic pegmatite, the inclusions of wodginite |  | | Journal (article/letter/editorial) | | discovered in the 1920s, was initially mined for beryl and muscovite (Pecora et al. 1950, Cassedanne &...schorl ± beryl; light grey zone: inner zone (IZ): spodumene + quartz + yellow mica ± beryl; white zone:...schorl reaching 10 cm, accessory muscovite, and beryl. In the intermediate zone (IZ), many large crystals...are surrounded by yellow mica in a quartz matrix. Beryl and small crystals of schorl (2 cm maximum) can...Creus pegmatite field (Alfonso et al. 2003), and beryl contains a relatively large amount of Cr and Zn |  | | Journal (article/letter/editorial) | | albite, lepidolite, zinnwaldite, elbaite, and beryl. The composition of the pegmatite-forming minerals...K-feldspar pink elbaite green elbaite mus-zinn beryl cookeite cassiterite apatite Fe-Mn phosphates subhedral...anhedral fine to medium medium fine to medium apatite beryl anhedral euhedral very fine medium K-Feldspar...minerals in this zone. Some euhedral accessory beryl crystals up to 3 cm across occur close to the Fe-Mn...phosphates, apatite, montebrasite, cassiterite, beryl, and zircon are present as accessory minerals. The |  | | Journal (article/letter/editorial) | | crystals in pocket with albite, late mica and rose beryl Capoeira 2 (transitional spodumene to lepidolite...intermediate zone is made up of albite, spodumene, beryl and phosphate minerals. Replacement bodies are common...and lepidolite, and vugs lined with quartz, pink beryl, elbaite, bladed albite and lepidolite (our sample...units and pockets), as argued for the Varuträsk pegmatite in Sweden by Siegel et al. (in press). To summarize...pegmatite by Pezzotta et al. (2010), and in the Varuträsk pegmatite by Siegel et al. (in press). The authors |  | | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/sgff19 Minerals of the Varuträsk Pegmatite Thelma Berggren To cite this article:...article: Thelma Berggren (1941) Minerals of the Varuträsk Pegmatite, Geologiska Föreningen i Stockholm Förhandlingar...red tourmalines, measuring 20-30 cm in length. Beryl, amblygonite, cassiterite, manganapatite, and small |  | | Journal (volume) | | muscovite and minor biotite. Four groups contain beryl- or chrysoberyl-bearing pegmatites with or without...70 Cs 20. No beryl has been spotted from the inner parts of the pegmatite. A greenish beryl from the marginal...+ quartz + muscovite ± tourmaline ± columbite ± beryl ± laumontite. Rare thin veins of petalite, mostly...rare-element pegmatites are beryl pegmatites (beryl-columbite and beryl-columbite-phosphate subtypes)...with accessory schor!, intermediate microcline, beryl and apatite. The wall zone is coarse-grained, with |  | | Journal (article/letter/editorial) | | (Karakida et al. 1994). Outcrops of barren and beryl-bearing pegmatites exist around a Li-enriched dike...included the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, Havey pegmatite, and Minas Gerais....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...from the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, and Havey pegmatite also included fine |  | Vignola, P., Diella, V., Oppizzi, P., Tiepolo, M., Weiss, S. (2008) PHOSPHATE ASSEMBLAGES FROM THE BRISSAGO GRANITIC PEGMATITE, WESTERN SOUTHERN ALPS, SWITZERLAND. The Canadian Mineralogist, 46 (3) 635-650 doi:10.3749/canmin.46.3.635 | Journal (article/letter/editorial) | | pegmatite containing muscovite, garnet, schorl, zircon, beryl and Fe–Cu sulfides, but lacking phosphates. Coarse-grained...from Nåttarö and Stora Persholmen pegmatites in Sweden by Smeds et al. (1998) and from the Conifer Road...Switzerland. Mason, B. (1941): Minerals of the Varuträsk pegmatite. XXIII. Some iron–manganese phosphate...products, with special reference to material from Varuträsk. Geol. Fören. Stockholm Förh. 63, 117-175. Handy... L. & Penner, P. (1998): Graftonite–beusite in Sweden: primary phases, products of exsolution, and distribution |
|
Varuträsk, Skellefteå, Västerbotten County, Sweden