 | | Thesis/Dissertation | | content of beryllium-bearing minerals and micas from Tørdal pegmatites and its genetic and economic implications...to the Høydalen area and other pegmatite areas of the Tørdal pegmatite field for investigation and geological...of Tørdal pegmatite field, which are situated in the Vestfold and Telemark county in South Norway, have...comprising mica, beryl, gadolinite-(Y) and bazzite, have been studied from 17 Tørdal pegmatites in order...distribution of Sc and Be within pegmatite bodies as well as across the entire pegmatite field. The mineral chemistries |  | | Journal (article/letter/editorial) | | Scandium-bearing minerals from the Heftetjern-pegmatite, Tørdal, south Norway Roy Kristiansen At the very...sting geochemical and mineralogical discoveries in Norway in modem time, viz. probably the richest diversity...type locality at Heftet jern in Tørdal, in the county of Telemark, Norway. New data of Scandium-minerals...grey Sc-AI-silicate from the Animikie Red Ace pegmatite in Wisconsin,USA, by Falster et al. (1996); 3)...Ta)04 in niobian rutile from Håverstad, Iveland, Norway, by Cerny et al. 2000, 2001. 5) and two new Sc-phases |  | Novák, Milan, Cícha, Jaroslav, Čopjaková, Renata, Škoda, Radek, Vašinová Galiová, Michaela (2017) Milarite-group minerals from the NYF pegmatite Velká skála, Písek district, Czech Republic: sole carriers of Be from the magmatic to hydrothermal stage. European Journal of Mineralogy, 29 (4) 755-766 doi:10.1127/ejm/2017/0029-2652 | Journal (article/letter/editorial) | | dedicated to Zdeněk Johan Milarite-group minerals from the NYF pegmatite Velká skála, Písek district, Czech...compositional types of milarite-group minerals were distinguished in the NYF pegmatite Velká skála, Písek district...simply zoned (Kfs,Plg,Ab,Qz > Bt > Ap > Tur) pegmatite dike, ∼60 cm thick, is enclosed in durbachite...durbachite (K,Mg-rich melasyenite). The milarite-group minerals include: yellowish, subhedral, prismatic grains...Milaritegroup minerals are the sole carriers of Be in the pegmatite, no relics or pseudomorphs after other Be-rich |  | | Journal (article/letter/editorial) | | ROY KRISTIANSEN PO Box 32, N-1650, Sellebakk, Norway ABSTRACT The crystal structure of ‘Ca-hingganite-(Y)’... negating the space group P21/a previously found for minerals of the gadolinite supergroup. Averaging...with P1 as the correct space group. The general formula for the gadolinite supergroup is A2MQ2T2O8u2 (Z...order, gadolinite supergroup, gadolinite subgroup. INTRODUCTION The minerals of the gadolinite supergroup...Li; T ¼ Si, P, As, B, Be, S; u ¼ O, OH, F. The gadolinite supergroup is divided into two groups according |  | Gramaccioli, C. M., Diella, V., Demartin, F., Orlandi, P., Campostrini, I. (2000) Cesian bazzite and thortveitite from Cuasso al Monte, Varese, Italy: A comparison with the material from Baveno, and inferred origin. The Canadian Mineralogist, 38 (6) 1409-1418 doi:10.2113/gscanmin.38.6.1409 | Journal (article/letter/editorial) | | discovery of thortveitite in the Iveland region in Norway as the first known mineral in which scandium is...Laghetto) at Cuasso al Monte: it consists of a group of very tiny (maximum length 0.1 mm) greyish blue...in Table 2, together with those of a sample from Norway and of pure synthetic thortveitite for comparison...corresponding data on “classic” occurrences in Norway and Madagascar (Bianchi et al. 1988), as well with...Bergstøl (1990) for bazzite from the Heftetjern pegmatite, Tørdal, Norway, and by Della Ventura et al. (2000) |  | | Journal (article/letter/editorial) | | Urals, Russia) and the Larvik alkalic complex, Norway, but nonetheless related to continental collision;...tourmaline (rubellite) from Manjaka, Sahatany Pegmatite Field, Antananarivo Province, Madagascar. Coin...either from the CNMNC IMA or the RRUFF web sites). Group assignment is based largely on Back and Mandarino...list. A third controversial species, the gadolinite-datolite group mineral calcybeborosilite-(Y), (Y,REE...Ca2oB2(Si2O8) (OH)2 (datolite), Y2FeBe2(Si2O8)O2 [gadolinite(Y)], and Y2oBe2(Si2O8) (OH)2 [hingganite-(Y)] |  | | Journal (article/letter/editorial) | | magmatic Be-minerals crystallized mainly in massive pegmatite (paragenetic type I) including common beryl I...primary magmatic Be-minerals within a single pegmatite district is exceptional and it is constrained...phenakite, helvite-danalite, milarite- and gadolinite-group minerals, bohseite-bavenite, NYF pegmatites...comprise phenakite, chrysoberyl, gadolinite-, helvite- and rhodizite-group minerals, beryllonite, hurlbutite...bazzite, phenakite, helvite-danalite, milarite-group minerals, gadolinitegroup mineral, and bohseite-bavenite |  | Pieczka, Adam, Hawthorne, Frank C., Ma, Chi, Rossman, George R., Szełęg, Eligiusz, Szuszkiewicz, Adam, Turniak, Krzysztof, Nejbert, Krzysztof, Ilnicki, Sławomir, Buffat, Philippe, Rutkowski, Bogdan (2017) Żabińskiite, ideally Ca(Al0.5Ta0.5)(SiO4)O, a new mineral of the titanite group from the Piława Górna pegmatite, the Góry Sowie Block, southwestern Poland. Mineralogical Magazine, 81 (3) 591-610 doi:10.1180/minmag.2016.080.110 | Journal (article/letter/editorial) | | a new mineral of the titanite group from the Piława Górna pegmatite, the Góry Sowie Block, southwestern...5Ta0.5)(SiO4)O, was found in a Variscan granitic pegmatite at Piława Górna, Lower Silesia, SW Poland. The...synthetic material. Żabińskiite is triclinic (space group symmetry A1) and has unit-cell parameters a = 7...with titanite and other minerals of the titanite group. Żabińskiite crystallized along with (Al,Ta,Nb)-bearing...fluids. K E Y WO R D S : żabińskiite, titanite group, new mineral species, optical data, electron microprobe |  | | Journal (article/letter/editorial) | | Relationship to other minerals Crystal system, space group, structure determined, yes or no Unit-cell parameters...2004 PROPOSALS IMA No. 2004–001 Little Patsy pegmatite, Jefferson Co., Colorado, USA William B. Simmons...Roberta Oberti NaLi2(Mg2Al2Li)⌺5Si8O22F2 Amphibole group Monoclinic: C2/m; structure determined a 9.357,...Japan Satoshi Matsubara Ce2Be2(SiO4)2(OH)2 Gadolinite group Monoclinic: P21/a a 9.8973, b 7.6282, c 4...2.21(33), 1.976(30) IMA No. 2004–005 Palitra pegmatite, Lovozero, Kola Peninsula, Russia Igor V. Pekov |  | Gorelova, Liudmila, Vereshchagin, Oleg, Cuchet, Stéphane, Shilovskikh, Vladimir, Pankin, Dmitrii (2020) Low-Temperature Crystal Chemistry of Hingganite-(Y), from the Wanni Glacier, Switzerland. Minerals, 10 (4) 322 doi:10.3390/min10040322 | Journal (article/letter/editorial) | | element (REE), which is typical for Alpine gadolinite group minerals. The most intense Raman bands were...monoclinic unit cell. Keywords: hingganite-(Y); gadolinite-group; thermal expansion; crystal structure; low-temperature;...type. Members of the gadolinite subgroup in the gadolinite supergroup form a big group within layered beryllosilicates...nomenclature [4], the general formula of the gadolinite supergroup is A2 MQ2 T2 O8 φ2 , where A = Ca... F. The monoclinic (P21 /c) structure of the gadolinite-supergroup minerals can be described as layered |  | | Journal (article/letter/editorial) | | from this list of mineral groups is the silicate group (sensu lato), as these minerals are central to petrological...3-connected tetrahedra (as in the minerals of the gadolinite group, see below). We also need to define the directions...F–) and [8] (= four O2–, three F– and one (H2O)t group). The O(1) anion is bonded to Si(1) and accepts...bonds from the (H2O)t group, and one F– ion accepts a hydrogen bond from the (H2O) group. The sheets in britvinite...six O2–) and [9] (= eight O2– ions and one (H2O) group, and nine O2– ions, respectively), one Fe3+ and |  | | Journal (issue) | | CASSEDANNE, J.P. & ALvES, J.N. (1994): The Jaguarac,u pegmatite, Minas Gerais, Brazil.- Mineral. Record 25, H...(1986): Minasgeraisite, a new member of the gadolinite group from Minas Gerais, Brazil.- Amer. Mineral... a new milarite-group mineral from the Heftetjern Pegmatite, T0rdal, Southern Norway.- Amer. Mineral |
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