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nioboaeschynite-(Ce)

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UNIT-CELL PARAMETERS OF AESCHYNITE-(Y), NIOBOAESCHYNITE-(CE) AND NIOBOAESCH... Available to Purchase

Published: 01 April 2008
TABLE 4. UNIT-CELL PARAMETERS OF AESCHYNITE-(Y), NIOBOAESCHYNITE-(CE) AND NIOBOAESCHYNITE-(Y)
Journal Article

Compositional variation of aeschynite-group minerals in the Bayan Obo Nb-REE-Fe ore deposit, Inner Mongolia, China Available to Purchase

Zhuming YANG, Martin SMITH, Paul HENDERSON, Michael J. LEBAS, Kejie TAO, Peishan ZHANG
Published: 01 November 2001
European Journal of Mineralogy (2001) 13 (6): 1207–1214.
DOI: https://doi.org/10.1127/0935-1221/2001/0013-1207
... that the concentrations of REE 2 O 3 are globally high in aeschynite-group minerals, ranging from 36.72 to 40.32 wt.%. Four species were identified in the same sample, these being aeschynite-(Ce), aeschynite-(Nd), nioboaeschynite-(Ce) and nioboaeschynite-(Nd). The correlations among cations suggest two special coupled...
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View PDF for article title, Compositional variation of aeschynite-group minerals in the Bayan Obo Nb-REE-Fe ore deposit, Inner Mongolia, China
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Nb/(Nb+Ti) versus Ce/(Ce+Nd) plot of aeschynite-group minerals from the Bayan Obo deposit, Inner Mongolia, China. Four mineral species can be identified: open circles, aeschynite(Ce); filled triangles, aeschynite-(Nd); filled circles, nioboaeschynite-(Ce); open triangles, niobo-aeschynite-(Nd).

Nb/(Nb+Ti) versus Ce/(Ce+Nd) plot of aeschynite-group minerals from the B... Available to Purchase

Published: 01 November 2001
Fig. 3. Nb/(Nb+Ti) versus Ce/(Ce+Nd) plot of aeschynite-group minerals from the Bayan Obo deposit, Inner Mongolia, China. Four mineral species can be identified: open circles, aeschynite(Ce); filled triangles, aeschynite-(Nd); filled circles, nioboaeschynite-(Ce); open triangles, niobo
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A- and B-site occupancy of aeschynite-group minerals. Samples plotted: 1 aeschynite-(Y), Triolet Valley, Aosta, Italy; 2 aeschynite-(Y), Miage moraine, Aosta, Italy; 3 aeschynite-(Y), Triolet Valley, Aosta, Italy; 4 aeschynite-(Y), Pizzo Cervandone, Novara, Italy; 5 aeschynite-(Y), Vigezzo Valley, Novara, Italy; 6 tantal-aeschynite, Raposa pegmatite, São Jose do Sabugi, Paraiba State, Brazil; 7 tantalian aeschynite, Siberia; 8 aeschynite, Hiterö, Norway; 9 aeschynite, Miask, Urals; 10 aeschynite, Hiterö, Norway; 11 “blomstrandine”, Hiterö, Norway; 12 aeschynite, Morefjaer, Norway; 13 “lyndochite”, Kenya; 14A and 14B “lyndochite”, Lyndoch Township, Ontario, Canada; 15, 16, 17, 18 aeschynite-(Y), Trout Creek Pass District, Chaffee County, Colorado; 19 aeschynite-(Y), Tuftane, Norway; 20 nioboaeschynite-(Ce), Thor Lake, N. W.T., Canada; 21 “nioboaeschynite-(Nd)”, Thor Lake, N.W.T, Canada; 22 aeschynite-(Nd), Thor Lake, N.W.T., Canada; 23 nioboaeschynite- (Ce), Hot Springs district, central Alaska. Sources: Bonazzi & Menchetti (1999): 1, 2, 3, 4, 5; Adusumilli et al.(1974): 6, 7; Ewing (1975): 8, 9, 10, 11, 12; Fleischer (1966): 13, 14A; Ercit (2002): 14B, Hanson et al.(1992): 15, 16, 17, 18; Tomašić et al.(2004): 19; Pinckston & Smith (1995): 20, 21, 22; Rosenblum & Mosier (1975): 23.

A - and B -site occupancy of aeschynite-group minerals. Samples plotted: 1... Available to Purchase

Published: 01 April 2008
, Norway; 13 “lyndochite”, Kenya; 14A and 14B “lyndochite”, Lyndoch Township, Ontario, Canada; 15, 16, 17, 18 aeschynite-(Y), Trout Creek Pass District, Chaffee County, Colorado; 19 aeschynite-(Y), Tuftane, Norway; 20 nioboaeschynite-(Ce), Thor Lake, N. W.T., Canada; 21 “nioboaeschynite-(Nd)”, Thor Lake
Journal Article

NIOBOAESCHYNITE-(Y), A NEW MEMBER OF THE AESCHYNITE GROUP FROM THE BEAR LAKE DIGGINGS, HALIBURTON COUNTY, ONTARIO, CANADA Available to Purchase

Vladimir Bermanec, Nenad Tomašić, Goran Kniewald, Malcolm E. Back, Georg Zagler
Published: 01 April 2008
The Canadian Mineralogist (2008) 46 (2): 395–402.
DOI: https://doi.org/10.3749/canmin.46.2.395
...TABLE 4. UNIT-CELL PARAMETERS OF AESCHYNITE-(Y), NIOBOAESCHYNITE-(CE) AND NIOBOAESCHYNITE-(Y) ...
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View PDF for article title, <span class="search-highlight">NIOBOAESCHYNITE</span>-(Y), A NEW MEMBER OF THE AESCHYNITE GROUP FROM THE BEAR LAKE DIGGINGS, HALIBURTON COUNTY, ONTARIO, CANADA
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Journal Article

Milarite-group minerals from the NYF pegmatite Velká skála, Písek district, Czech Republic: sole carriers of Be from the magmatic to hydrothermal stage Available to Purchase

Milan Novák, Jaroslav Cícha, Renata Čopjaková, Radek Škoda, Michaela Vašinová Galiová
Published: 01 August 2017
European Journal of Mineralogy (2017) 29 (4): 755–766.
DOI: https://doi.org/10.1127/ejm/2017/0029-2652
..., accessory milarite-group minerals, fluorapatite, tourmaline, pyrite altered to Fe-hydroxides oxides, allanite-(Ce), titanite, ilmenite, aeschynite-(Ce), nioboaeschynite-(Ce), monazite-(Ce), xenotime-(Y), zircon, and thorite were identified in the pegmatite. No beryl or pseudomorphs after it and no primary...
View PDF for article title, Milarite-group minerals from the NYF pegmatite Velká skála, Písek district, Czech Republic: sole carriers of Be from the magmatic to hydrothermal stage
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Journal Article

CNMNC guidelines for the use of suffixes and prefixes in mineral nomenclature, and for the preservation of historical names Open Access

Frédéric Hatert, Stuart J. Mills, Marco Pasero, Peter A. Williams
Published: 01 January 2013
European Journal of Mineralogy (2013) 25 (1): 113–115.
DOI: https://doi.org/10.1127/0935-1221/2013/0025-2267
.... 2010 ; Mills et al. 2010 ), calcioancylite-(Ce), hydro-xylbastnäsite-(Nd), and nioboaeschynite-(Ce) are valid mineral names. In case of polytypes and topologically similar poly-morphs, a chemical prefix-type nomenclature is pre-ferred, since the polytype and polymorph symbols have to be suffixes...
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Journal Article

VIGEZZITE AND ASSOCIATED OXIDES OF Nb–Ta FROM EMERALD-BEARING PEGMATITES OF THE VIGEZZO VALLEY, WESTERN ALPS, ITALY Available to Purchase

Alessandro Guastoni, Valeria Diella, Federico Pezzotta
Published: 01 June 2008
The Canadian Mineralogist (2008) 46 (3): 619–633.
DOI: https://doi.org/10.3749/canmin.46.3.619
... filone di feldspato sodico dell’Alpe Rosso a monte di Orcesco (valle Vigezzo) . Illustrazione Ossolana 8 , 23 – 45 . Rosenblum , S. & Mosier , E.L. ( 1975 ): Nonmetamict nioboaeschynite-(Ce) from Alaska . Am. Mineral . 60 , 309 – 315 . Scharer , U. , Cosca , M...
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View PDF for article title, VIGEZZITE AND ASSOCIATED OXIDES OF Nb–Ta FROM EMERALD-BEARING PEGMATITES OF THE VIGEZZO VALLEY, WESTERN ALPS, ITALY
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Journal Article

New Mineral Names Available to Purchase

Paula C. Piilonen, Glenn Poirier, Kim T. Tait
Published: 01 November 2008
American Mineralogist (2008) 93 (11-12): 1941–1946.
DOI: https://doi.org/10.2138/am.2008.531
... Inorganica of Università degli Studi di Milano (no. 2006-03). G.P. V. Bermanec, N. Toma i, G. Kniewald, M.E. Back, and G. Zagler (2008) Nioboaeschynite-(Y), a new member of the aeschynite group from the Bear Lake diggings, Haliburton County, Ontario, Canada. Can. Mineral., 46, 395–402...
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Journal Article

Fractured latest Devonian granites of the West Moose River pluton along the Cobequid Shear Zone, Nova Scotia: implications for regional mineralization Available to Purchase

Georgia Pe-Piper, David J.W. Piper, Angeliki Papoutsa, Joshua Wisen
Published: 17 August 2017
Canadian Journal of Earth Sciences (2017) 54 (11): 1119–1137.
DOI: https://doi.org/10.1139/cjes-2017-0133
...-Aes, nioboaeschynite; Thr, thorite; Zrn, zircon; Che, chevkinite-(Ce); Sam, samarskite-(Y); Bsn, bastnäsite-(Ce); Hing, hingganite-(Y); Syn, synchysite-(Ce); Aln, allanite-(Ce); Xtm, xenotime; Cer, cerianite; b.d., below detection limit. Corresponding author: Georgia Pe-Piper (e...
View PDF for article title, Fractured latest Devonian granites of the West Moose River pluton along the Cobequid Shear Zone, Nova Scotia: implications for regional mineralization
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Journal Article

IDENTIFICATION AND ALTERATION TRENDS OF GRANITIC-PEGMATITE-HOSTED (Y,REE,U,Th)–(Nb,Ta,Ti) OXIDE MINERALS: A STATISTICAL APPROACH Available to Purchase

T. Scott Ercit
Published: 01 August 2005
The Canadian Mineralogist (2005) 43 (4): 1291–1303.
DOI: https://doi.org/10.2113/gscanmin.43.4.1291
...), Y(Ti,Nb) 2 O 6 , aeschynite-(Ce), Ce(Ti,Nb) 2 O 6 , aeschynite-(Nd), Nd(Ti,Nb) 2 O 6 , nioboaeschynite-(Ce), Ce(Nb,Ti) 2 O 6 , nioboaeschynite-(Nd), Nd(Nb,Ti) 2 O 6 and tantal-aeschynite-( Y), Y(Ta,Ti,Nb) 2 O 6 . Members of the euxenite group include euxenite-(Y), Y(Nb,Ti) 2 O 6 , tanteuxenite-(Y...
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View PDF for article title, IDENTIFICATION AND ALTERATION TRENDS OF GRANITIC-PEGMATITE-HOSTED (Y,REE,U,Th)–(Nb,Ta,Ti) OXIDE MINERALS: A STATISTICAL APPROACH
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Journal Article

CORDYLITE-(La), A NEW MINERAL SPECIES IN FENITE FROM THE BIRAYA Fe–REE DEPOSIT, IRKUTSK, RUSSIA Available to Purchase

Stuart J. Mills, Pavel M. Kartashov, Anthony R. Kampf, Aleksei A. Konev, Anna A. Koneva, Mati Raudsepp
Published: 01 October 2012
The Canadian Mineralogist (2012) 50 (5): 1281–1290.
DOI: https://doi.org/10.3749/canmin.50.5.1281
... minerals enriched in Ce. In the outermost portions of the vein, rimming ferriallanite-(Ce), we also observed crystals of nioboaeschynite-(Nd) with the empirical formula (Nd 0.21 Ce 0.14 Sm 0.05 Y 0.03 La 0.03 ) ∑0.46 Ca 0.28 Th 0.03 ) ∑0.77 (Nb 1.22 Ti 0.75 Fe 0.03 ) ∑2 O 5.25 (OH) 0.75 . In our opinion...
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View PDF for article title, CORDYLITE-(La), A NEW MINERAL SPECIES IN FENITE FROM THE BIRAYA Fe–REE DEPOSIT, IRKUTSK, RUSSIA
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Representative electron microprobe analyses of hydrothermal REE minerals fr... Available to Purchase

Published: 17 August 2017
, tantaeuxenite; Nb-Aes, nioboaeschynite; Thr, thorite; Zrn, zircon; Che, chevkinite-(Ce); Sam, samarskite-(Y); Bsn, bastnäsite-(Ce); Hing, hingganite-(Y); Syn, synchysite-(Ce); Aln, allanite-(Ce); Xtm, xenotime; Cer, cerianite; b.d., below detection limit.
Journal Article

Hydrothermal alteration of chevkinite-group minerals. Part 2. Metasomatite from the Keivy massif, Kola Peninsula, Russia Available to Purchase

R. Macdonald, B. Bagiński, P. M. Kartashov, D. Zozulya, P. Dzierżanowski
Published: 01 October 2015
Mineralogical Magazine (2015) 79 (5): 1039–1059.
DOI: https://doi.org/10.1180/minmag.2015.079.5.02
...), nioboaeschynite-(Ce) and ‘tantalaeschynite-(Ce)’ ( Škoda and Novák, 2007 ). The compositional variation may be related to a combination of substitutions 1 and 5 ( Škoda and Novák, 2007 ). Analysis of the REE -carbonates has been limited by the small size of the majority of grains; six EMP analyses...
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View PDF for article title, Hydrothermal alteration of chevkinite-group minerals. Part 2. Metasomatite from the Keivy massif, Kola Peninsula, Russia
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IGNEOUS ALBITITE DIKES IN OROGENIC LHERZOLITES, WESTERN PYRÉNÉES, FRANCE: A POSSIBLE SOURCE FOR CORUNDUM AND ALKALI FELDSPAR XENOCRYSTS IN BASALTIC TERRANES. I. MINERALOGICAL ASSOCIATIONS Available to Purchase

Pierre Monchoux, François Fontan, Philippe De Parseval, Robert F. Martin, Ru Cheng Wang
Published: 01 August 2006
The Canadian Mineralogist (2006) 44 (4): 817–842.
DOI: https://doi.org/10.2113/gscanmin.44.4.817
...) correspond to nioboaeschynite-(Ce), ideally (Ce, Ca)(Nb, Ti) 2 (O, OH) 6 , according to the diagram of Yang et al. (2001) . High contents of H 2 O result from metamictization produced by thorium, which is characteristic of the aeschynite- (Ce) studied here, especially in the corundum-bearing rocks...
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View PDF for article title, IGNEOUS ALBITITE DIKES IN OROGENIC LHERZOLITES, WESTERN PYRÉNÉES, FRANCE: A POSSIBLE SOURCE FOR CORUNDUM AND ALKALI FELDSPAR XENOCRYSTS IN BASALTIC TERRANES. I. MINERALOGICAL ASSOCIATIONS
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Journal Article

Diversity of Rare Earth Deposits: The Key Example of China Available to Purchase

Jindrich Kynicky, Martin P. Smith, Cheng Xu
Journal: Elements
Published: 01 October 2012
Elements (2012) 8 (5): 361–367.
DOI: https://doi.org/10.2113/gselements.8.5.361
... of the clays has been modified by the weathering process, leading to relative enrichment in the HREEs and the development of anomalously low Ce levels ( F ig . 2 b ). Today, REEs are being mined at Bayan Obo and a number of small- to medium-sized lateritic deposits in southern China. Extraction of REEs...
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What is the actual structure of samarskite-(Y)? A TEM investigation of metamict samarskite from the Garnet Codera dike pegmatite (Central Italian Alps) Available to Purchase

Gian Carlo Capitani, Enrico Mugnaioli, Alessandro Guastoni
Published: 01 July 2016
American Mineralogist (2016) 101 (7): 1679–1690.
DOI: https://doi.org/10.2138/am-2016-5605
..., and Nd L β, LiF), synthetic UO 2 and ThO 2 (U M α and Th M α, PET), metallic Nb (Nb L α, PET), and metallic Ta, Sn, and W (Ta L α, Sn L α, and W L α, LiF). In all examined Nb-Ta oxides, the concentrations of Al, Zr, Ba, Pb, La, and Ce were found to be below the limits of detection (0.05 wt%), while Tb...
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Procedures Involving the IMA Commission On New Minerals and Mineral Names. and guidelines on mineral nomenclature Available to Purchase

Ernest H. Nickel, A. J. Naldrett
Published: 01 June 1987
The Canadian Mineralogist (1987) 25 (2): 353–377.
DOI: https://doi.org/10.3749/1499-1276-25.2.353
... Mckelveyite Melanocerite Minasgeraisite Monazite Monazite-(La) Monazite-(Nd) Monteregianite Moydite Neodymium churchite Nioboaeschynite-(Ce) Nordite Nordite-(Ce) Okanaganite Orthojoaquinite Parisite Perrierite Petersite Polycrase Retzian Retzian-(La) Retzian-(Nd) Rhabdophane-(Ce) Rhabdophane-(La) Rhabdophane...
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Cold plutonism in the Arabian–Nubian Shield: evidence from the Abu Diab garnet-bearing leucogranite, central Eastern Desert, Egypt Available to Purchase

Fawzi F. Abu El-Ela, Mohamed A. Abu El-Rus, Mohamed A. Mohamed, Hisham A. Gahlan
Published: 11 July 2017
Journal of the Geological Society (2017) 174 (6): 1031–1047.
DOI: https://doi.org/10.1144/jgs2016-133
... (1983) ; Prec % is the analytical precision. Table 5. Trace-element composition (ppm) of representative samples from Abu Diab granite pluton Sample Ba Cs Ga Hf Nb Rb Sr Ta Th U Zr Y La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu AD01 1...
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View PDF for article title, Cold plutonism in the Arabian–Nubian Shield: evidence from the Abu Diab garnet-bearing leucogranite, central Eastern Desert, Egypt
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UNUSUAL (Na,Mg)-ENRICHED BERYL AND ITS BREAKDOWN PRODUCTS (BERYL II, BAZZITE, BAVENITE) FROM EUXENITE-TYPE NYF PEGMATITE RELATED TO THE OROGENIC ULTRAPOTASSIC TŘEBÍČ PLUTON, CZECH REPUBLIC Available to Purchase

Milan Novák, Jan Filip
Published: 01 June 2010
The Canadian Mineralogist (2010) 48 (3): 615–628.
DOI: https://doi.org/10.3749/canmin.48.3.615
..., ilmenite, pseudorutile, niobian rutile, zircon, aeschynite-(Ce), nioboaeschynite-(Ce), and (Y,REE)-rich vigezzite ( Novák & Čech 1996 , Škoda et al. 2006 , Škoda & Novák 2007 ) as accessory minerals. Beryl was found as a rare accessory mineral at several euxenite-type pegmatites ( e.g...
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View PDF for article title, UNUSUAL (Na,Mg)-ENRICHED BERYL AND ITS BREAKDOWN PRODUCTS (BERYL II, BAZZITE, BAVENITE) FROM EUXENITE-TYPE NYF PEGMATITE RELATED TO THE OROGENIC ULTRAPOTASSIC TŘEBÍČ PLUTON, CZECH REPUBLIC
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