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vastmanlandite

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Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 173–181.
... groups are defined to accommodate the existing accepted mineral species: (i) the gatelite group – includes members that can be derived from the mineral gatelite-(Ce) solely by homovalent substitutions, i.e. , gatelite-(Ce), perbøeite-(Ce), and ferriperbøeite-(Ce); (ii) the västmanlandite group – includes...
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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...
FIGURES
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 January 2014
American Mineralogist (2014) 99 (1): 157–169.
...) and västmanlandite-(Ce). Structural data (space group P 2 1 / m ) were obtained for the holotype crystals and for several crystals with intermediate composition. Structural refinements of a crystal annealed step-wise in air confirm that most of Fe in M3 is divalent before heating and show that oxidation...
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Image
Diagram distinguishing groups in the gatelite supergroup, based on  M 1 +  ...
Published: 01 January 2019
Fig. 2 Diagram distinguishing groups in the gatelite supergroup, based on M 1 +  M 3 contents. Västmanlandite and alnaperbøeite are potential groups because both include only a single member, and thus are written in italics.
Image
Scanning electron microscope picture (BSE mode) of polished section with ul...
Published: 26 June 2017
Fig. 2 Scanning electron microscope picture (BSE mode) of polished section with ulfanderssonite-(Ce) (Ulf) and västmanlandite-(Ce) (Väs). Ulfanderssonite-(Ce) is partly altered to bastnäsite-(Ce) (Bas) and other fluoro-carbonates.
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The type specimen with ulfanderssonite-(Ce) (pink areas). Associated minera...
Published: 26 June 2017
Fig. 1 The type specimen with ulfanderssonite-(Ce) (pink areas). Associated minerals seen on the image are mainly västmanlandite-(Ce) and magnetite (brown to black). The specimen measures ca . 7 × 4.5 cm. NRM catalogue no. 20010323. (Online version in colour.)
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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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Variation of Al 3+  vs.  Mg 2+  (in atoms per formula unit) in gatelite-sup...
Published: 01 January 2019
Fig. 5 Variation of Al 3+ vs. Mg 2+ (in atoms per formula unit) in gatelite-supergroup minerals. Empty circles with numbers represent ideal compositions: 1 = gatelite-(Ce); 2 = västmanlandite-(Ce); 3 = ferriperbøeite-(Ce); 4 = perbøeite-(Ce); 5 = alnaperbøeite-(Ce). Orange triangles (TY) refer
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List of  REE -minerals from the Malmkärra mine, after Holtstam and Andersso...
Published: 01 May 2018
+ Be 2 Si 2 O 10 Magnesiorowlandite-(Y) (Y, REE ) 4 MgSi 4 O 14 F 2 Västmanlandite-(Ce) Ca(Ce,La) 3 Al 2 Mg 2 [Si 2 O 7 ][SiO 4 ] 3 F(OH) 2
Journal Article
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 537–544.
... be regarded as iso-topological ET polysomes of a series having epidote and törnebohmite-(Ce) as end-members. They include gatelite-(Ce) ( Bonazzi et al. , 2003 ), västmanlandite-(Ce) ( Holtstam et al. , 2005 ), perbøeite-(Ce) and alnaperbøeite-(Ce) ( Bonazzi et al. , 2014 ). While the T module exhibits...
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Journal Article
Published: 01 October 2018
American Mineralogist (2018) 103 (10): 1711–1715.
... of Uppsala University, under the number 318/77. The specimen appeared to be consisted mainly of västmanlandite-(Ce) and a new mineral—ulfanderssonite-(Ce). The similar mineral was previously mentioned as unnamed “mineral E” ( Holtstam and Andersson 2007 ), which is reported as UM2007-39 in the official list...
Journal Article
Published: 20 December 2017
European Journal of Mineralogy (2017) 29 (6): 1083–1087.
.... A new classification and nomenclature scheme has been approved for the minerals of the gatelite supergroup. The supergroup is dived into three groups: gatelite group, västmanlandite group, alnaperbøeite group. A new classification and nomenclature scheme has been approved for the minerals...
Journal Article
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1577–1581.
...–1581. Gatelite supergroup A new classification and nomenclature scheme has been approved for the minerals of the gatelite supergroup. The supergroup is divided into three groups: gatelite group, västmanlandite group, alnaperbøeite group. Schoonerite group A new classification...
Journal Article
Published: 01 January 2021
American Mineralogist (2021) 106 (1): 157–164.
..., as well as at the Johanna and Nya Bastnäs mines, all belonging to the Fe-REE “Bastnäs-type” skarn deposits in the Bergslagen ore province (south-central Sweden). It occurs in association with fluorbritholite-(Ce), västmanlandite-(Ce), dollaseite-(Ce), bastnäsite-(Ce), and tremolite. The mineralization...
Journal Article
Published: 01 April 2013
Mineralogical Magazine (2013) 77 (3): 353–366.
... populations in minerals: terminology and presentation of results of crystal-structure refinement . The Canadian Mineralogist , 33 , 907 – 911 . Holtstam D. Kolitsch U. Andersson U.B. ( 2005 ) Västmanlandite-(Ce) – a new lanthanide- and F-bearing sorosilicate mineral from Västmanland...
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Journal Article
Published: 15 May 2020
Mineralogical Magazine (2020) 84 (4): 593–607.
.... and Andersson U.B. ( 2007 ) The REE minerals of the Bastnäs-type deposits, South-Central Sweden . The Canadian Mineralogist , 45 , 1073 – 1114 . Holtstam D. , Kolitsch U. and Andersson U.B. ( 2005 ) Västmanlandite-(Ce) – a new lanthanide- and F-bearing sorosilicate mineral...
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Journal Article
Published: 28 February 2017
European Journal of Mineralogy (2017) 29 (5): 897–905.
...), actinolite, ferriallanite-(Ce), bastnäsite-(Ce)‒bastnäsite-(La), törnebohmite-(Ce) and an unnamed Fe 3+ –O analogue of västmanlandite-(Ce). Chalcopyrite, bismuthinite and molybdenite are closely associated with the REE minerals ( Geijer, 1921 ; Holtstam & Andersson, 2007 ). The exact original...
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Journal Article
Published: 01 January 2005
European Journal of Mineralogy (2005) 17 (1): 129–141.
... atoms pfu. Instead, the chemical and structural data of vastmanlandite-(Ce) indicate the presence of a second end-member possessing the structure type of västmanlandite-(Ce) with the ideal composition Ce 3 CaA1 2 Fe 3+ Mg[Si 2 O 7 ][SiO 4 ] 3 O(OH) 2 , which would be the Fe 3+ -O analogue...
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Journal Article
Published: 24 August 2020
Mineralogical Magazine (2020) 84 (6): 839–853.
... are close to those of västmanlandite-(Ce) (Holtstam et al. , 2005 ) and ferriperbøeite-(La) (Kasatkin et al. , 2020b ) in the range of 300–1000 cm –1 but significantly differ from them in the regions of stretching vibrations of the Si–O–Si fragments (1000 to 1100 cm –1 ), O–H stretching vibrations...
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