 | | Journal (article/letter/editorial) | | GRANITIC PEGMATITES FROM SOUTHERN NORWAY Axel MÜLLER§ Geological Survey of Norway, Postboks 6315 Sluppen, NO–7491...NO–7491 Trondheim, Norway, and Natural History Museum, Department of Earth Sciences, Cromwell Road, London...pegmatites from the Froland and Evje–Iveland areas in southern Norway were studied with respect to their...differentiation of a granitic magma compared to the Evje–Iveland pegmatites, as reflected by the elevated...reveal such a difference. Second, garnet of the Evje–Iveland pegmatites shows a wider range of chemical |  | Müller, Axel, Spratt, John, Thomas, Rainer, Williamson, Ben J., Seltmann, Reimar (2018) Alkali-F-Rich Albite Zones in Evolved NYF Pegmatites: The Product of Melt–melt Immiscibility. The Canadian Mineralogist, 56 (4) 657-687 doi:10.3749/canmin.1700087 | Journal (article/letter/editorial) | | History Museum, P.O. 1172 Blindern, N-0318 Oslo, Norway Natural History Museum of London, Cromwell Road...e (NYF) rare metal pegmatites from Evje-Iveland, southern Norway, cannot be metasomatic in a strict sense...(‘‘cleavelandite’’, white and pink mica, spessartine, columbite-group minerals, topaz, and fluorite) indicate that the...also Li compared with host pegmatites. For the melt to acquire this composition, the original Li-Cs-Ta-poor...mineralogy, zoning, and melt inclusion data from the Evje-Iveland pegmatites document a difference in crystallization |  | | Journal (article/letter/editorial) | | minerals from the Heftetjern-pegmatite, Tørdal, south Norway Roy Kristiansen At the very end of the 20th century...sting geochemical and mineralogical discoveries in Norway in modem time, viz. probably the richest diversity...Heftet jern in Tørdal, in the county of Telemark, Norway. New data of Scandium-minerals from Baveno were...Ta)04 in niobian rutile from Håverstad, Iveland, Norway, by Cerny et al. 2000, 2001. 5) and two new Sc-phases...1988 thortveitite was the only scandium-mineral in Norway. Today we know eight species of which three are |  | Kolitsch, Uwe, Kristiansen, Roy, Raade, Gunnar, Tillmanns, Ekkehart (2010) Heftetjernite, a new scandium mineral from the Heftetjern pegmatite, Tordal, Norway. European Journal of Mineralogy, 22 (2) 309-316 doi:10.1127/0935-1221/2010/0022-1987 | Journal (article/letter/editorial) | | mineral from the Heftetjern pegmatite, Tørdal, Norway UWE KOLITSCH1,*, ROY KRISTIANSEN2, GUNNAR RAADE3...kolitsch@nhm-wien.ac.at 2 PO Box 32, 1650 Sellebakk, Norway 3 Naturhistorisk Museum, Universitetet i Oslo,...Blindern, 0318 Oslo, Norway and Norsk Bergverksmuseum, Postboks 18, 3602 Kongsberg, Norway 4 Institut für...from the Heftetjern pegmatite, Tørdal, Telemark, Norway. In the type specimen, it occurs as minute, elongate...dark greyish brown mineral of the pyrochlore-microlite group, and an unidentified, orange-brown, tabular |  | | Thesis/Dissertation | | uio.no/ Abstract In the Kragerø area in South Norway, tourmaline is commonly found in Sveconorwegian...pegmatites which are more fractionated and richer in Li, Cs, Be, Ta and Nb. Redrawn by Müller et al. (2017)...originated in pluton-unrelated settings might not host Li or F, thus the classification was adapted to CT and...Sveconorwegian orogen. A: Simplified map of southern Norway and southwestern Sweden showing the domains and...areas. B: Simplified geological map of southern Norway and parts of southwestern Sweden. The pegmatite |  | | Thesis/Dissertation | | situated in the Vestfold and Telemark county in South Norway, have gained lot of mineralogical and economic...of their enrichments of the rare elements Sc, Be, Li and Mo. In this study, Sc- and Be-bearing minerals...intermediate and albite replacement zones. The Na, Li, and Cs content of the beryl increases continuously...mean 2 ppm Sc; Steffensen, 2018). IV In addition, Li, Ta, Sn, and W are enriched in both amphibolitic...economically enriched in the rare elements Sc, Be, Li, Y, Sn, Nb, Ta, Cs, REE and Mo (Černý, 1991b; Simmons |  | Loun, Jan, Novák, Milan, Cempírek, Jan, Škoda, Radek, Vašinová Galiová, Michaela, Prokeš, Lubomír, Dosbaba, Marek, Čopjaková, Renata (2018) Geochemistry and secondary alterations of microlite from eluvial deposits in the Numbi mining area, South Kivu, Democratic Republic of the Congo. The Canadian Mineralogist, 56 (2) 203-220 doi:10.3749/canmin.1700091 | Journal (article/letter/editorial) | | 1700091 GEOCHEMISTRY AND SECONDARY ALTERATIONS OF MICROLITE FROM ELUVIAL DEPOSITS IN THE NUMBI MINING AREA...37 Brno, Czech Republic ABSTRACT Microlite and U-enriched microlite were found in eluvium close to highly...cassiterite . microlite-group minerals (microlite þ U-enriched microlite) . columbite-group minerals (columbite–tantalite)...Misumari II pegmatite (berylcolumbite subtype) microlite . cassiterite, columbite–tantalite þ wodginite–ferrowodginite...rather low. Fragments of primary microlite and U-enriched microlite (the latter present only at the Mungwe |  | | Journal (article/letter/editorial) | | wichtige Ressourcen für Hochtechnologie-Metalle wie Li, Be, Ta, W, Sn etc. aber auch Industrieminerale und...(aluminosilicate index = Al/alkali ratio) and the flux content (Li-F-B-P) are therefore important compositional parameters...is reviewed. Members of the columbite-tantalite group are the most common and economically important,...proposed. An attempt is made to group Ta-(Nb-Sn-Li) deposits into the LCT (Li-Cs-Ta), NYF (Nb-Y-F) and mixed...rare-element and miarolitic classes). In the LCT family (Li-Cs-Ta) of the rare-element class, which is economically |  | Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Škoda, Radek, Novák, Milan, Čopjaková, Renata, Pagano, Diego Sebastián (2019) A Ta,Ti–rich oxide mineral assemblage from the Nancy beryl–columbite–phosphate granitic pegmatite, San Luis, Argentina. Mineralogy and Petrology, 113 (5) 687-701 doi:10.1007/s00710-019-00673-z | Journal (article/letter/editorial) | | beryl-type, beryl–columbite–phosphate subtype of LCT (Li-Cs-Ta) rare-element pegmatite was emplaced in the...Keywords Tantalite-(Mn) . Tantalian rutile . Wodginite-group minerals . Hydroxycalciomicrolite . Rare-element...granitic pegmatites of LCT (Li-Cs-Ta) geochemical signature, especially in the REL-Li subclass (e.g., Tindle...columbite-group minerals, wodginite-group minerals, niobian or tantalian rutile and pyrochlore-group minerals...ferrotitanowodginite, tantalian rutile and microlite-group minerals that occurs in a LCT rare-element |  | Andrade, M. B., Atencio, D., Persiano, A. I. C., Ellena, J. (2013) Fluorcalciomicrolite, (Ca,Na,☐)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. Mineralogical Magazine, 77 (7) 2989-2996 doi:10.1180/minmag.2013.077.7.08 | Journal (article/letter/editorial) | | Fluorcalciomicrolite, (Ca,Na,&)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno...Fluorcalciomicrolite, (Ca,Na,&)2Ta2O6F, is a new microlite-group, pyrochlore supergroup mineral approved by...‘‘tourmaline’’, bityite, hydrokenomicrolite, and other microlite-group minerals under study. Fluorcalciomicrolite...Minas Gerais, Brazil, pyrochlore supergroup, microlite group, crystal structure. Introduction * E-mail:...and one root name (identical to the name of the group). The first prefix refers to the dominant anion (or |  | Yin, Rong, Wang, Ru Cheng, Zhang, Ai-Cheng, Hu, Huan, Zhu, Jin Chu, Rao, Can, Zhang, Hui (2015) CHEMICAL EVOLUTION AND LATE-STAGE RE-EQUILIBRATION OF Zr-Hf-U-BEARING COLUMBITE-GROUP MINERALS IN THE KOKTOKAY NO. 1 GRANITIC PEGMATITE, ALTAI, NORTHWESTERN CHINA. The Canadian Mineralogist, 53 (3) 461-478 doi:10.3749/canmin.1400091 | Journal (article/letter/editorial) | | LATE-STAGE RE-EQUILIBRATION OF Zr-Hf-U-BEARING COLUMBITE-GROUP MINERALS IN THE KOKTOKAY NO. 1 GRANITIC PEGMATITE...pegmatite in northwestern China is a highly fractionated Li-Cs-Ta (LCT)-type granitic pegmatite. As main Nb-Ta...Nb-Ta oxides in this pegmatite, columbite-group minerals (CGMs) not only display variations in Nb/Ta and...crystallization and evolution of this pegmatite. Columbite-group minerals record large variations in Ta/(Nb + Ta)...phase, uraninite, and U-rich member of the microlite group of minerals. In a similar way, the primary |  | Andrade, M. B., Yang, H., Atencio, D., Downs, R. T., Chukanov, N. V., Lemée-Cailleau, M. H., Persiano, A. I. C., Goeta, A. E., Ellena, J. (2017) Hydroxycalciomicrolite, Ca1.5Ta2O6(OH), a new member of the microlite group from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. Mineralogical Magazine, 81 (3) 555-564 doi:10.1180/minmag.2016.080.116 | Journal (article/letter/editorial) | | Hydroxycalciomicrolite, Ca1.5Ta2O6(OH), a new member of the microlite group from Volta Grande pegmatite, Nazareno, Minas...Hydroxycalciomicrolite, Ca1.5Ta2O6(OH) is a new microlite-group mineral found in the Volta Grande pegmatite...8. It represents a pyrochlore supergroup, microlite-group mineral exhibiting P4332 symmetry, instead...other species with P4332 or lower-symmetry space group can be discovered and characterized. K E Y WO R...e, Ca1.5Ta2O6(OH), pyrochlore supergroup, microlite group, crystal structure, Raman spectra, infrared |  | Guang, Fan, Xiangkun, Ge, Guowu, Li, Apeng, Yu, Ganfu, Shen (2017) Oxynatromicrolite,
(Na,Ca,U)2Ta2O6(O,F), a new member of
the pyrochlore supergroup from Guanpo, Henan Province, China. Mineralogical Magazine, 81 (4) 743-751 doi:10.1180/minmag.2016.080.121 | Journal (article/letter/editorial) | | Henan Province, China FAN GUANG1,*, GE XIANGKUN1, LI GUOWU2, YU APENG1 AND SHEN GANFU3 1 2 3 Beijing...recrystallizes in the cubic system, with space group Fd3m and with unit-cell parameters similar those...: oxynatromicrolite, new mineral species, microlite group, pyrochlore supergroup, Guanpo, Henan, China...crystallize in the isometric crystal system (space group Fd3m or its subgroup) with a unit cell characterized...Guanpo town lies outside this figure. (Nb), microlite (Ta), betafite (Ti), roméite (Sb) and elsmoreite |  | 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) | | crystals have K/Rb ≈ 0.09 and K/Cs ≈ 0.02 in the outer Li-rich parts. Spessartine, lithiophilite, elbaite,...pegmatite, K–Rb feldspars, K–Rb–Cs micas, garnet group, tourmaline supergroup, pollucite, tantalite-(Mn)...absorption spectrometry (AAS), using NBS standards for Li, Na, K, Rb, Cs, Ca, Sr, Ba and Pb. Electron-microprobe...analcime–pollucite), Uher & Černý (1998, zircon group), Smeds et al. (1998, lithiophilite, apatite, amblygonite... with difficulty, analyzed in bulk separates for Li, but the individual zones can be analyzed only by |  | | Journal (article/letter/editorial) | | Brazil The nomenclature system of the pyrochlore group minerals by Hogarth (1977) was the best solution...fluornatropyrochlore (Yin et al. 2013), fluorcalciopyrochlore (Li et al. 2013), oxynatromicrolite (Fan et al. 2013)...Fluorcalciomicrolite, (Ca,Na,□)2Ta2(O,OH)6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno...Hydrokenomicrolite, (□,H2O)2Ta2(O,OH)6(H2O), a new microlite-group mineral from Volta Grande pegmatite, Nazareno...pyrochlore group. American Mineralogist 62, 403–410. 804 the canadian mineralogist Li Guowu, Yang |  | Andrade, M. B., Atencio, D., Filho, L. A. D. M., Ellena, J. (2011) TThe structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Rendondo Mine, Coronel Murta, Minas Gerais. The Canadian Mineralogist, 49 (2) 615-621 doi:10.3749/canmin.49.2.615 | Journal (article/letter/editorial) | | 3749/canmin.49.2.615 THE CRYSTAL STRUCTURE OF A MICROLITE-GROUP MINERAL WITH A FORMULA NEAR NaCaTa2O6F FROM...single-crystal X-ray-diffraction data for a microlite-group mineral with a formula near NaCaTa2O6F from...of these data is presented here. Keywords: microlite group, “fluorcalciomicrolite”, fluornatromicrolite...monocristal pour caractériser un minéral du groupe du microlite ayant une formule voisine de NaCaTa2O6F, provenant...(Traduit par la Rédaction) Mots-clés: groupe du microlite, “fluorcalciomicrolite”, fluornatromicrolite, |  | | Journal (article/letter/editorial) | | consist of cassiterite, zircon, struverite and microlite group minerals. Results indicate that magmatic-hydrothermal...source lithologies. These were most probably LCT (Li-CsTa) pegmatites located in granitic country rocks...fuente. Estos fueron probablemente pegmatitas LCT (Li-Cs-Ta) localizadas en las rocas granı́ticas encajadoras...is obtained from just one group of minerals: the columbite–tantalite group. Other minerals of economic...(orthorhombic FeTa2O6), the microlite group, the wodginite group and the ixiolite group. Tin-slag material containing |  | Andrade, M. B., Atencio, D., Chukanov, N. V., Ellena, J. (2013) Hydrokenomicrolite, (☐,H2O)2Ta2(O,OH)6(H2O), a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. American Mineralogist, 98 (2) 292-296 doi:10.2138/am.2013.4186 | Journal (article/letter/editorial) | | Hydrokenomicrolite, (o,H2O)2Ta2(O,OH)6(H2O), a new microlite-group mineral from Volta Grande pegmatite, Nazareno...or ideally o 2Ta2[O4(OH)2](H2O), is a new microlite-group mineral approved by the CNMNC (IMA 2011-103)... zircon, “tourmaline”, bityite, and other microlite-group minerals under study. Hydrokenomicrolite occurs...Minas Gerais, Brazil, pyrochlore supergroup, microlite group, crystal structure Introduction Hydrokenomicrolite... zircon, “tourmaline”, bityite, and other microlite-group minerals under study (Heinrich 1964; Francesconi |  | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, Oberthür, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | granitic rare-element IP pegmatites. Columbite-group minerals (CGM) account for the majority of the current...wodginite and ixiolite carry higher Ti, Zr, Hf, Sn and Li concentrations than CGM and tapiolite. Compared to...latter have high REE and Th concentrations, and low Li and Mg. Pegmatite-hosted TNO are highly variable...rare-element pegmatites (Černý et al., 2005). Columbite-group minerals (columbite-tantalite solid solution series;...typical minor elements is distinguished from a Li subclass with Li, Rb, Cs, Be, Ga, Sn, Hf, Nb-Ta, B, P and |  | 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) | | pegmatites, as well as the proportions of beryl and Li-rich minerals. The Ta/(Ta + Nb) ratio in Nb-Ta oxide...Pb, Sb and Bi. Keywords: pegmatites; columbite-group minerals; pyrochlore supergroup; niobium; tantalum;...and are an important source of rare metals, such as Li, Rb, Cs and Ta. In addition, they have been considered...exception of some scarce crystals of the columbite-group minerals (CGM) and They have variable dimensions...detail some slightly more evolved pegmatites of the group, where fine albite veins appear and replacement |  | | Journal (article/letter/editorial) | | PARAGENESES Compositional Variations of Pyrochlore Group Minerals in Ongonite and Zwitter of the Verkhneurmiysky...accepted August 15, 2017 Abstract—The pyrochlore-group minerals in ongonite and zwitter of the Verkhneurmiysky...Pyrochlore-I is a possible new member of the pyrochlore group, bismuth-bearing “oxyferropyrochlore”; pyrochlore-II...H2O → Nb, Pb, W, Fe, Y, H2O. Keywords: pyrochlore group, bismuth-bearing oxyferropyrochlore, uranium-bearing...elements (Nb, Ta, U, Th, Y, REE) make the pyrochlore-group minerals by important indicators of petrogenesis |  | | Journal (article/letter/editorial) | | the Fanjingshan rare metal pegmatite belongs to the Li-P-B-Sn-Ta-Nb granitic pegmatite in the Chemical composition-Mineral...granite-pegmatite suite with those of the Fangjinshan Group and the high Li, Sn, Rb, W, Ta and Nb background concentrations...Ga with the Paleozoic and Mesozoic Nb-Ta±Sn-W±Be-Li ore deposits in South China, indicating a common... 1. Introduction Recently, rare metals including Li, Be, Ta, Nb, Rb and Cs have been listed in the Critical...mineralization, and some are different due to the presence of Li-aluminosilicates. Therefore, petrogenesis is a critical |  | Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Černý, Petr, Lira, Raúl, Colombo, Fernando, Roberts, Andrew C., Bernhardt, Heinz-Jürgen (2016) Achalaite, Fe2+TiNb2O8, a new member of the wodginite group from the La Calandria Granitic pegmatite, Córdoba, Argentina. The Canadian Mineralogist, 54 (4) 1043-1052 doi:10.3749/canmin.1500094 | Journal (article/letter/editorial) | | ACHALAITE, Fe2þTiNb2O8, A NEW MEMBER OF THE WODGINITE GROUP FROM THE LA CALANDRIA GRANITIC PEGMATITE, CÓRDOBA...ABSTRACT Achalaite is a new mineral of the wodginite group from the La Calandria granitic pegmatite, Cañada...exsolutions of Ta-rich rutile and intergrown with microlite-group minerals. Achalaite has a black color and streak...by analogy with wodginite, is monoclinic, space group C2/c, Z ¼ 4. Refined unit-cell dimensions are a...Achalaite is the first member of the wodginite group with Nb dominant over Ta; it is genetically considered |  | Ivanyuk, Gregory Yu., Yakovenchuk, Victor N., Panikorovskii, Taras L., Konoplyova, Nataliya, Pakhomovsky, Yakov A., Bazai, Ayya V., Bocharov, Vladimir N., Krivovichev, Sergey V. (2019) Hydroxynatropyrochlore, (Na,Сa,Ce)2Nb2O6(OH), a new member of the pyrochlore group from the Kovdor phoscorite–carbonatite pipe, Kola Peninsula, Russia. Mineralogical Magazine, 83 (1) 107-113 doi:10.1180/minmag.2017.081.102 | Journal (article/letter/editorial) | | Сa,Ce)2Nb2O6(OH), a new member of the pyrochlore group from the Kovdor phoscoritecarbonatite pipe (Kola...considerable attention and several new members of the group have been described from various world localities...Jingwu et al., 2015; Andrade et al., 2013, 2015, 2016; Li et al., 2016; Fan et al., 2016; Mills et al., 2017)...SHELX program (Sheldrick, 2008) in the Fd-3m space group to R1 = 0.026 (Rint = 0.0222) for 80 independent...Fluorcalciomicrolite, (Ca,Na,)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno |  | | Journal (article/letter/editorial) | | betafite, elsmoreite, microlite, pyrochlore and roméite are allocated as group names within the pyrochlore...K EY WORDS : pyrochlore, betafite, elsmoreite, microlite, roméite, bindheimite, partzite, stetefeldtite...is generally accepted as valid. ‘Group’: the name refers to a group within the pyrochlore supergroup...as species names, and hence have the status ‘D + Group’. ‘N’ (not approved): the name has been published...Fluornatromicrolite 14 Jixianite Kalipyrochlore Lewisite Microlite Monimolite Natrobistantite Partzite Plumbobetafite |
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