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fluorbritholite

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Journal Article
Published: 01 October 2007
The Canadian Mineralogist (2007) 45 (5): 1073-1114.
... for Ca is close to 1 apfu . Iron ranges from 0.01 to 0.30 apfu , and is mainly in the trivalent state. Cerite-(Ce) is a major carrier of Y (up to 3.5 wt.% Y 2 O 3 ). Fluorbritholite is found only in the subtype-2 deposits, and is low in P, Na and the actinides compared to other major occurrences...
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CHEMICAL COMPOSITION OF <b>FLUORBRITHOLITE</b>
Published: 01 October 2007
TABLE 5. CHEMICAL COMPOSITION OF FLUORBRITHOLITE
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CHEMICAL COMPOSITION OF <b>FLUORBRITHOLITE</b>
Published: 01 October 2007
TABLE 5. CHEMICAL COMPOSITION OF FLUORBRITHOLITE
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Selected chondrite-normalized REE patterns for <b>fluorbritholite</b> samples from...
Published: 01 October 2007
F ig . 8. Selected chondrite-normalized REE patterns for fluorbritholite samples from the Norberg District.
Journal Article
Published: 01 May 2018
Mineralogical Magazine (2018) 82 (S1): S133-S145.
... Sweden, where it occurs in association with fluorbritholite-(Ce), västmanlandite-(Ce), dollaseite-(Ce), bastnäsite-(Ce) and tremolite. Gadolinite-(Nd) forms anhedral grains up to 150 µm in size, commonly occurring as aggregates of olive green colour. The crystals are transparent with vitreous...
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Journal Article
Published: 26 June 2017
European Journal of Mineralogy (2017) 29 (6): 1015-1026.
.... Andersson, a Swedish geologist and petrologist. In the type specimen, the mineral occurs with västmanlandite-(Ce), bastnäsite-(Ce), phlogopite, talc, magnetite, pyrite, fluorbritholite-(Ce) and scheelite. Ulfanderssonite-(Ce) forms pinkish, translucent subhedral grains, 100–300 μm, in aggregates up to 2 mm...
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Journal Article
Published: 01 October 2015
American Mineralogist (2015) 100 (10): 2123-2140.
..., Colorado (U.S.A.). Irregular-shaped centimeter- to decimeter-sized mineralized pods and veins consist of zoned mineral assemblages dominated by fluorbritholite-(Ce) in a gray-colored core up to 10 cm thick, with monazite-(Ce), fluorite, and minor quartz, uraninite, and sulfides. The core zone is surrounded...
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Journal Article
Published: 01 January 2007
European Journal of Mineralogy (2007) 19 (1): 95-103.
... is (Ca,REE) 5 [(Si,P)O 4 ] 3 F, differs from fluorbritholite in having Ca > ∑REE, and differs from fluorapatite in having Si > P. Its compositional field falls within the limits Ca 2.5 REE 2.5 (SiO 4 ) 2.5 (PO 4 ) 0.5 F (boundary with fluorbritholite) and Ca 3.5 REE 1.5 (SiO 4 ) 1.5 (PO 4 ) 1.5 F...
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Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 173-181.
..., bastnäsite-(Ce), cerite-(Ce), or fluorbritholite-(Ce). Analytical data available from the literature show extensive solid solution along the ferriperbøeite-(Ce)–västmanlandite-(Ce) and the perbøeite-(Ce)–alnaperbøeite-(Ce) joins, whereas there are few or no samples testifying to västmanlandite-(Ce)–gatelite...
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Journal Article
Published: 01 August 2015
European Journal of Mineralogy (2015) 27 (4): 521-533.
..., Zn-bearing kupletskite, aegirine, perraultite, fluorite, catapleiite, serandite, REE -rich eudyalite, fluorapatite, fluorbritholite-(Ce), a pyrochlore-group mineral, cryolite, thorite, thorianite and a mineral of the cancrinite group. Fine-grained phonolite from the Oktyabrsky massif represents...
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Journal Article
Published: 01 March 2010
European Journal of Mineralogy (2010) 22 (2): 163-179.
... paper, treatises and museum catalogues over the last 150 years. The new mineral IMA 2008-009, approved without a name, is here named stronadelphite . Apatite-(SrOH) is renamed fluorstrophite . Deloneite-(Ce) is renamed deloneite . The new mineral IMA 2009-005 is approved with the name fluorbritholite-(Y...
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Journal Article
Published: 01 January 2005
European Journal of Mineralogy (2005) 17 (1): 129-141.
... that are important for lanthanide sequestration in the Bastnäs-type skarn deposits in Västmanland. At the type locality (Malmkärra, Norberg district) it occurs as anhedral grains 0.2–3 mm across, in association with fluorbritholite-(Ce), tremolite, a serpentine mineral, magnetite, dollaseite-(Ce) and dolomite...
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Compositional diagram showing the variation of Ca  versus  REE + Y in fluor...
Published: 01 October 2007
F ig . 9. Compositional diagram showing the variation of Ca versus REE + Y in fluorbritholite.
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Compositional diagram showing the variation of P  versus  Si in fluorbritho...
Published: 01 October 2007
F ig . 10. Compositional diagram showing the variation of P versus Si in fluorbritholite.
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Porphyritic clasts in fine-grained phonolite, Oktyabrsky massif (microphoto...
Published: 01 August 2015
Fig. 1. Porphyritic clasts in fine-grained phonolite, Oktyabrsky massif (microphotograph in transmitted light). Symbols: Kpt – Zn-rich kupletskite; Kfs – potassium feldspar; Bri – fluorbritholite-(Ce). (online version in colour)
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( a ) Detail of 1.2-m drill core. The characteristic black rim is chiefly m...
Published: 01 October 2015
Figure 2 ( a ) Detail of 1.2-m drill core. The characteristic black rim is chiefly made of allanite-(Ce), surrounding the lighter gray fluorite- and fluorbritholite-(Ce)-rich core. ( b ) Photographs showing the REE-mineralization in pods and veins from the northern locality. ( c and d ) Detail
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Chondrite-normalised  REE  patterns for selected britholites, with Y proxyi...
Published: 01 September 2013
Fig. 5 Chondrite-normalised REE patterns for selected britholites, with Y proxying for Ho. Species and granites: 1, fluorbritholite-(Y), Loch Ainort (H1554); 2, britholite-(Ce), Meall Dearg (MD); 3, britholite-(Ce), Glamaig (GLE2); 4, fluorbritholite-(Ce), Ailsa Craig (DV24828). Normalisation
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Backscattered electron image of a portion of a västmanlandite-(Ce) (v) gra...
Published: 01 January 2005
Fig. 1. Backscattered electron image of a portion of a västmanlandite-(Ce) (v) grain, with inclusions of magnetite ( m ), dollaseite-(Ce) ( d ) and serpentine plus relics of tremolitic amphibole ( s ). The arrow points to an inclusion of fluorbritholite-(Ce). The white scale bar equals 0.1 mm.
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Back-scattered electron images of gadolinite-(Nd) and associated  REE  mine...
Published: 01 May 2018
Fig. 1. Back-scattered electron images of gadolinite-(Nd) and associated REE minerals from ( a – c ) Malmkärra and ( d ) Johannagruvan. gd-gadolinite-(Nd), ds-dollaseite-(Ce), fb-fluorbritholite-(Ce), tr-tremolite, vl-västmanlandite-(Ce), bs-bastnäsite-(Ce). The aggregate from which
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( a ) La+Ce vs. (Other REE)+Ca+Mg+Th+U variation in törnebohmite-(Ce). ( b ...
Published: 01 October 2015
Figure 11 ( a ) La+Ce vs. (Other REE)+Ca+Mg+Th+U variation in törnebohmite-(Ce). ( b ) Y+REE vs. Ca+Mg+Sr variation in cerite-(Ce). ( c ) Ce-La-Nd ternary diagram for bastnäsite-(Ce) analyses. Variations of ( d ) Si vs. P and ( e ) Y+REE vs. Ca+Fe+Sr+Mg in fluorbritholite-(Ce).