 | 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 |  | | Report (issue) | | spodumene, petalite, amblygonite, lepidolite, elbaite, cassiterite, columbite, apatite, eucryptite, muscovite...Italy. In the Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten, Sweden. At Bikita, Zimbabwe |  | 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 (article/letter/editorial) | | albite, manganotantalite, beryl (goshenite), elbaite, stibiotantalite, and tantite are associated with...first identified in 1938 in lithium pegmatites of Sweden in association with petalite, spodumene, and lepidolite...albite, columnar greenish beryl, bluishgreenish elbaite, Fespessartine, Tacolumbite(Fe), and locally...(goshenite), Tacolumbite(Mn), strüverite, pink elbaite (rubel lite), fluornatromicrolite, Hfzircon (zirtolite)...7.18 4.91 2.12 0.33 11.30 15.61 ^ Varuträsk, Sweden (Groat et al., 1987; Cern y′ et al., 2004) |  | | Journal (article/letter/editorial) | | 2013 Editor: K. Mezger Keywords: SIMS B-isotopes Elbaite Rare-element pegmatites Paraíba tourmaline a b...schorl–dravite in the border and wall zones to varicolored elbaite in the inner zones, consistent with increasing...variation in Li contents from schorl–dravite to elbaite but the SIMS data instead show a major gap between...are gem-quality crystals of blue “Paraíba type” elbaite. The δ11B values of blue tourmaline from the Capoeira...there is a parallel trend of lighter rims in zoned elbaite from the inner intemediate zone. These trends are |  | 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) | | close association with fluorapatite, Mn-bearing elbaite, and Mn oxides (Guastoni 2012). Electron-microprobe...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...chemical composition of the phosphate minerals and elbaite. The dike is asymmetric, with zones characterized...strongly enriched in dark green to brownish yellow elbaite and colorless to pale pink beryl (Guastoni 2012) |  | | Journal (article/letter/editorial) | | with quartz, albite, lepidolite, zinnwaldite, elbaite, and beryl. The composition of the pegmatite-forming...subhedral very fine to medium K-feldspar pink elbaite green elbaite mus-zinn beryl cookeite cassiterite apatite...anhedral fine to coarse zinnwaldite schorl green elbaite subhedral subhedral subhedral to anhedral fine...pseudobotroydal masses associated with albite and elbaite albite twin, undulatory extinction, subgrains,...with quartz, “book” text., associated with green elbaite and quartz partially albitized with “chessboard” |  | | Journal (article/letter/editorial) | | separate grains that correspond to elbaite (Fig. 6, Table 4). Elbaite was not observed in close association...sample (Table 4, columns 9–10) show that this elbaite is completely depleted in Mg and richer in Zn than...sample Sap–3, a strong zonation from schorl to elbaite also is observed (Fig. 6, Table 4). It is noteworthy...Schorl Schorl Schorl Schorl Schorl Elbaite Schorl Schorl Elbaite Elbaite Schorl a b c d e f g h i j k n (20)... IW Z, Sap-11. i. Fe-rich elbaite, IZ, comb structure. j. Fe-poor elbaite, IZ, comb structure. k. IZ |  | 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) | | with filled quartz, albite, muscovite, tantalite, elbaite andelbaite montebrasite, crosscut allcrosscut the...spodumene, petalite, lepidolite, pink or green elbaite and amblygonite. Cassiterite and tantalite also...elements: primary lithium phosphates (Figure 9c), elbaite, cassiterite and Ta- and Mn-rich members of the...[33] and Mason [34] in the pegmatites of Varuträsk (Sweden), and later located in most of the pegmatite...of albite veins and veins of quartz-muscovite-elbaite. Intensive phenomena of albitisation of the primary |  | 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) | | Bismutotantalite-stibiotantalite-stibiocolumbite assemblage from elbaite pegmatites at Molo near Momeik, northern Shan State...aggregates occur exclusively in pockets of the elbaite subtype pegmatites cutting serpentinized peridotite...lined with K-feldspar, “mushroom-like” pink to red elbaite, beryl (aquamarine, morganite), petalite, phenakite...diffraction, electron microprobe, substitutions, elbaite pegmatite, Molo, Myanmar Introduction Bismuth-dominant...mostly beDOI: 10.1127/0077-7757/2008/0108 long to elbaite subtype (Foord 1981, 1982, Stern et al. 1986, Zagorskyi |  | | Journal (volume) | | Li-bearing phosphates are very subordinate, but elbaite (particularly rubellite) is abundant. In view of...crystals of cassiterite, Nb,Ta-minerals, green elbaite, Li-mica and green alluaudite are found in the...crystals of mauve lepidolite and 10cally green elbaite. About 6 m SE from the cave, in a drillhole, the...l Survey of Finland, Bulletin 368 quartz and elbaite. Yellowish or pinkish beryl, montebrasite, topaz...to 6.62 wt. % Cs 2ü. Albite, spodumene and red elbaite contain less than 0.1 wt. 0J0 Cs 2ü, but flakes |  | Novak, M., Cerny, P., Cempirek, J., Srein, V., Filip, J. (2004) FERROTAPIOLITE AS A PSEUDOMORPH OF STIBIOTANTALITE FROM THE LASTOVICKY LEPIDOLITE PEGMATITE, CZECH REPUBLIC; AN EXAMPLE OF HYDROTHERMAL ALTERATION AT CONSTANT Ta/(Ta + Nb) The Canadian Mineralogist, 42 (4) 1117-1128 doi:10.2113/gscanmin.42.4.1117 | Journal (article/letter/editorial) | | associated with muscovite–quartz aggregates and green elbaite located in the outer part of the albite-dominant...Stibiotantalite is associated with quartz, pink elbaite to rossmanite, and pale violet trilithionite, but...minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite–tantalite...Pegmatite–Aplite Dikes in the Mesa Grande District, San Diego County, California. Ph.D. thesis, Stanford University...Rynersonite, Ca(Ta,Nb)2O6, a new mineral from San Diego County, California. Am. Mineral. 63, 709-714. GREEN, T |  | 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) | | the reference tourmalines schorl, dravite, and elbaite described by Leeman rn and Tonarini (2001). The...schorl-dravite tourmalines and tourmalines of elbaite compositions (ca. 2 ‰, see Kutzschbach et al.,...corrected for IMF using the factor determined on the elbaite reference material. Table 3 gives a summary of...measurements for combined schorl-dravite and for elbaite reference samples at 1σ were ca. ± 0.8 ‰ and Journal...samples is similar to that for the peraluminous Varuträsk and Borborema pegmatites and with the range of |  | | Journal (article/letter/editorial) | | Selway et al. 1999, Černý et al. 2004). The elbaite subtype is not truly scarce but definitely less...from which it appears to be locally transitional. Elbaite is the dominant Li-bearing phase here, with the...borates are stabilized (Table 5). Pegmatites of the elbaite subtype locally tend to contain an appreciable...minerals typical of the LCT family (e.g., lepidolite, elbaite; Ercit 2005, Novák et al. 1999). Some quantities...in the Transscandinavian Igneous Belt, southern Sweden. Symp. Precambrian Granitoids (Helsinki), Abstr |  | | Journal (article/letter/editorial) | | dike culminates in cavities containing topaz, elbaite, lepidolite, PT boromuscovite, hambergite, and...significant source of fine crystals of topaz, elbaite, lepidolite, feldspar, quartz, hambergite, bismuthian...from areas with PT abundant tourmaline. Two elbaite crystals from the '91 London pocket and the single...green/green elbaite crystal and from each of the three colored zones in the other elbaite crystal. The...tourmaline species: schorl (Srl), dravite (Drv), elbaite (Elb), uvite (Uvt), feruvite (Fuv), foitite (Ftt) |  | | Journal (article/letter/editorial) | | Harding, New Mexico (Lumpkin 1998a, b), or Varuträsk, Sweden (Čern ý et al. 2004). Studies of CGM in larger...especially in the southern half of the pegmatite, where elbaite and cookeite also are common. In the northern half...well-developed zonation; albite is the main mineral, and elbaite, microlite and 1M, 2M1 and 2M2 polytypes of lepidolite...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite–tantalite...Pegmatite–Aplite Dikes in the Mesa Grande District, San Diego County, California. Ph.D. thesis, Stanford Univ., Stanford |  | Černý, P., Teertstra, D. K., Chapman, R., Selway, J. B., Hawthorne, F. C., Ferreira, K., Chackowsky, L. E., Wang, X.-J., Meintzer, R. E. (2012) Extreme fractionation and deformation of the leucogranite-pegmatite suite at Red Cross Lake, Manitoba, Canada. IV. Mineralogy. The Canadian Mineralogist, 50 (6) 1839-1875 doi:10.3749/canmin.50.6.1839 | Journal (article/letter/editorial) | | pseudomorphs after petalite, accessory spessartine, elbaite–rossmanite, beryl, pollucite, fluorapatite, amblygonite...outer Li-rich parts. Spessartine, lithiophilite, elbaite, and (Nb,Ta) oxide minerals are almost devoid of...Selway (1999) reported the occurrence of feruvite, elbaite and rossmanite, Teertstra et al. (1998a) described...((schorl)) schorl — (wodginite) ((titanite)) — — — (elbaite) [((stibiotantalite))] ((apatite)) — — — ((rossmanite))...the LPG dikes is compositionally limited to the elbaite – rossmanite series (Fig. 12A), with the Na/ and |  | Beurlen, Hartmut, Da Silva, Marcelo R. R., Thomas, Rainer, Soares, Dwight R., Olivier, Patrick (2008) Nb–Ta–(Ti–Sn) oxide mineral chemistry as tracer of rare-element granitic pegmatite fractionation in the Borborema Province, Northeastern Brazil. Mineralium Deposita, 43 (2) 207-228 doi:10.1007/s00126-007-0152-4 | Journal (article/letter/editorial) | | production of gem quality, turquoise blue, ‘Paraíba Elbaite.’ With more than 750 registered mineralized rare-element...morganite and the highquality turquoise-blue ‘Paraíba Elbaite.’ The estimated historic minimum bulk production...cleavelandite (Ab), bi-colored elbaite (rose and light blue “Paraíba elbaite”, tu) growing from the inner...spodumene, amblygonite, lithiophilite, lepidolite, elbaite), in the inner intermediate zone and/or in the...mineralogy (rich in spodumene, lepidolite, gem quality elbaite and sporadic caesian bismutomicrolite or natrobistantite) |  | | Journal (article/letter/editorial) | | Sn, and Sb oxide minerals from the Varuträsk pegmatite, Sweden. In the Szklary pegmatite, the crystallization...the pyrochlore and microlite subgroup from the Varuträsk pegmatite. All of the Si-rich PGM reported in...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of “anomalous” columbite-tantalite... Canada: A case study of the evolution on the elbaite subtype of rare-element granitic pegmatite. Canadian |  | Baijot, Maxime, Hatert, Frédéric, Dal Bo, Fabrice, Philippo, Simon (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. The Canadian Mineralogist, 52 (2) 373-397 doi:10.3749/canmin.52.2.373 | Journal (article/letter/editorial) | | Sidenjsö dike, in the Stora Persholmen pegmatite in Sweden (Smeds et al. 1998), and in the Yellowknife pegmatite...and in the Sidensjö and Stora Persholmen dikes in Sweden (Wise & Černý 1990, Smeds et al. 1998). These intergrowths...(1994) The crystal chemistry of manganese-bearing elbaite. Canadian Mineralogist 32, 31–41. Čech, F., Padera...1105–1115. M ason , B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some iron-manganese phosphate...products, with special reference to material from Varuträsk. Geologiska Föreningen Förhandlinger 63(2), 117–175 |  | 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) | | than the primary microlite from the Varuträsk pegmatite, Sweden (Černý et al., 2004) and the Gonçalo...sufficient iron to form schorl and lithium to form elbaite, as lithium is mainly retained in lepidolite. Boron...minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an anomalous columbite-tantalite |  | Roda-Robles, Encarnación, Pesquera, Alfonso, García De Madinabeitia, Sonia, Gil Ibarguchi, José-Ignacio, Nizamoff, Jim, Simmons, William, Falster, Alexander, Galliski, Miguel Angel (2014) ON THE GEOCHEMICAL CHARACTER OF PRIMARY Fe-Mn PHOSPHATES BELONGING TO THE TRIPHYLITE-LITHIOPHILITE, GRAFTONITE-BEUSITE, AND TRIPLITE-ZWIESELITE SERIES: FIRST RESULTS AND IMPLICATIONS FOR PEGMATITE PETROGENESIS. The Canadian Mineralogist, 52 (2) 321-335 doi:10.3749/canmin.52.2.321 | Journal (article/letter/editorial) | | chalcopyrite, Cst: cassiterite, Cyr: cyrilovite, Elb: elbaite, Eos: eosphorite, F-Ap: F-apatite, Flue: fluellite... 1105–1115. Mason, B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some iron-manganese phosphate... 700–706. Quensel, P. (1937) Minerals of the Varuträsk pegmatite. I: The lithium-manganese phosphates |  | | Journal (volume) | | enriehed in beryl, eolumbitetantalite, lepidolite, elbaite, spodumene, amblygonite- montebrasite, manganiferous...te and various lithium silicates, lepidolite, elbaite and spodumene. In the final stages of pegmatite...lithium silicates in pegmatites are lepidolite, elbaite and spodumene. In the pegmatites of the study area...Post, Kenya (Richardson 1975). Rose muscovite, Varuträsk, Swede n (Berggren 1941). Rose muscovite, Goshen...determined 1. Bertrandite, Kolsva, Västmanland, Sweden (Märtensson 1960). 2. Bertrandite, Zabai.kalja |  | | Journal (volume) | | pegmatites from Sveconorwegian terranes in southwestern Sweden. Precambrian Research 76, 15-30. Simmons, W.B....and (fluor-)elbaite components. Sample GR is characterised by a distinct (fluor-)elbaite component and...unit-cell parameter a and Li content of members of the elbaite-schorl series (Ertl et al. 2010). The mean T–O...question is why there is no Li-rich tourmaline (elbaite) in the Høydalen area. Based on the considerations...foitite [X□Y(Fe2+2Al)] to schorl [XNaYFe2+3], to elbaite [XNaY(Li1.5Al1.5)] and rossmanite [X□Y(LiAl2)] |  | | Journal (issue) | | Varieties of of tourmaline Dravite Elbaite ,, Dravite Elbaite Light -green Light-green Green ,, »»... Minas-Gerais Needles ,, ,, Schorl-dravite Elbaite Grey-bluish Green Pink-white 22 0O Green/pink...laminae/granular }) ,, ,, ,, Newry Dravite Elbaite ., " Alto Ligonha, Mozambique " Eppler's collection...the percentage content of of dravite, schorl and elbaite of of a sample with sufficient sufficient accuracy...columnar assemblage which was found in a few green elbaite samples consists of a succession of subhexagonal |
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Varuträsk, Skellefteå, Västerbotten County, Sweden