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alluaudite group

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Journal Article
Published: 01 February 2022
Mineralogical Magazine (2022) 86 (1): 103–111.
...Igor V. Pekov; Natalia N. Koshlyakova; Dmitry I. Belakovskiy; Marina F. Vigasina; Natalia V. Zubkova; Atali A. Agakhanov; Sergey N. Britvin; Evgeny G. Sidorov; Dmitry Yu. Pushcharovsky Abstract The new alluaudite-group mineral paraberzeliite was found in the Arsenatnaya fumarole, Second scoria cone...
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Journal Article
Published: 26 May 2021
The Canadian Mineralogist (2021) 59 (1): 243–263.
... for hagendorfite, and (Na 0.84 □ 0.16 )(Na 0.71 Ca 0.23 □ 0.06 )Mn 1.00 (Fe 3+ 0.89 Fe 2+ 0.68 Mn 0.42 Mg 0.01 )(PO 4 ) 3 for varulite. Originally, a nomenclature scheme was proposed for the alluaudite-group minerals that was based on sequentially distributing the cations in the cell according to increasing...
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Journal Article
Published: 14 January 2021
Mineralogical Magazine (2021) 85 (2): 215–223.
...Igor V. Pekov; Natalia N. Koshlyakova; Atali A. Agakhanov; Natalia V. Zubkova; Dmitry I. Belakovskiy; Marina F. Vigasina; Anna G. Turchkova; Evgeny G. Sidorov; Dmitry Yu. Pushcharovsky Abstract The new alluaudite-group mineral calciojohillerite is one of the major arsenates in sublimates...
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Journal Article
Published: 22 May 2020
Mineralogical Magazine (2020) 84 (4): 616–622.
...Igor V. Pekov; Natalia N. Koshlyakova; Atali A. Agakhanov; Natalia V. Zubkova; Dmitry I. Belakovskiy; Marina F. Vigasina; Anna G. Turchkova; Evgeny G. Sidorov; Dmitry Yu. Pushcharovsky Abstract The new alluaudite-group mineral badalovite was found in the Arsenatnaya fumarole at the Second scoria...
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Journal Article
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1523–1531.
... for the refinement of the structure. The location of all non-hydrogen atom sites was straightforward and atom coordinates were then transformed to be consistent with the standardized atom coordinates for alluaudite-group structures ( Krivovichev et al. , 2013 ). (Note that the atom coordinates and O atom...
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Journal Article
Published: 01 August 2014
Mineralogical Magazine (2014) 78 (4): 787–795.
..., shows canutite to be isostructural with protonated members of the alluaudite group. Canutite from the upper pit is associated with anhydrite, halite, lavendulan and quartz. Canutite recovered from the small spot near the shaft is associated with anhydrite, halite, lavendulan, magnesiokoritnigite...
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Journal Article
Published: 01 December 2013
European Journal of Mineralogy (2013) 25 (4): 683–691.
... member of the alluaudite group. Its structure is based upon chains of edge-sharing octahedra running along [−101] and linked by T (2)O 4 tetrahedra into layers parallel to (010). The layers are further interlinked through T (1)O 4 tetrahedra to form a three-dimensional octahedral-tetrahedral framework...
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Journal Article
Published: 01 October 2009
The Canadian Mineralogist (2009) 47 (5): 1225–1235.
... and is a member of the alluaudite group; it is the first alluaudite-group mineral with an acid phosphate group. The new mineral is named in honor of Lee A. Groat, Professor of Mineralogy at the University of British Columbia in Vancouver. The species and the name groatite were approved by the Commission on New...
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Comparative data for arsenate minerals of the <span class="search-highlight">alluaudite</span> <span class="search-highlight">group</span> with Mg prev...
Published: 14 January 2021
Table 7. Comparative data for arsenate minerals of the alluaudite group with Mg prevailing in both M (1) and M (2) sites. Mineral Calciojohillerite Johillerite Nickenichite Simplified formula NaCaMg 3 (AsO 4 ) 3 NaCuMg 3 (AsO 4 ) 3 Na(Ca 0.5 Cu 0.5 )Mg 3 (AsO 4 ) 3
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The different types of end-member formulae existing in the <span class="search-highlight">alluaudite</span> <span class="search-highlight">group</span>...
Published: 01 July 2019
Fig. 7 The different types of end-member formulae existing in the alluaudite group.
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Hypothetical root-names in the <span class="search-highlight">alluaudite</span> <span class="search-highlight">group</span>.
Published: 01 July 2019
Fig. 8 Hypothetical root-names in the alluaudite group.
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Patterns of cation order in the <span class="search-highlight">alluaudite</span>-<span class="search-highlight">group</span> ( sensu lato ) structures:...
Published: 01 June 2004
F ig . 7. Patterns of cation order in the alluaudite-group ( sensu lato ) structures: (a) alluaudite with complete disorder; (b) alluaudite with complete order; (c) wyllieite with Al ordered at M (2b) and M 2+ + Fe 3+ disordered over M (1) and M (2a); (d) wyllieite with Al ordered at M
Journal Article
Published: 18 August 2022
Mineralogical Magazine (2022) 86 (6): 897–902.
...Igor V. Pekov; Natalia N. Koshlyakova; Dmitry I. Belakovskiy; Marina F. Vigasina; Natalia V. Zubkova; Atali A. Agakhanov; Sergey N. Britvin; Evgeny G. Sidorov; Dmitry Yu. Pushcharovsky Abstract The new alluaudite-group mineral khrenovite with the ideal, end-member formula Na 3 Fe 3+ 2 (AsO 4 ) 3...
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Journal Article
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 697–704.
...André-Mathieu Fransolet; Frédéric Hatert; François Fontan Abstract A sample from the Kibingo granitic pegmatite, Rwanda, shows a striking assemblage of an alluaudite-group mineral with heterosite. The core of alluaudite s.l. is strongly pleochroic in blue green to pinkish grey hues...
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Journal Article
Published: 01 December 2012
The Canadian Mineralogist (2012) 50 (6): 1555–1571.
.... Beusite has primary inclusions of Mg-rich phosphates, one belonging to the alluaudite group and the other one possibly belonging to the triplite or wolfeite groups. Breakdown of beusite under oxidizing hydrothermal conditions produced, among others, mitridatite and jahnsite-(CaMnMg). § E...
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Journal Article
Published: 01 March 2005
European Journal of Mineralogy (2005) 17 (2): 367–373.
... is a variant of the johillerite structure, which belongs to the alluaudite group. The mineral is the first example of a hydrated mineral from this group. e-mail: halil.sarp@mhn.ville-ge.ch 29 11 2004 24 02 2004 04 08 2004 E. Schweizerbart'sche Verlagsbuchhandlung, D-70176 Stuttgart...
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Journal Article
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 717–722.
... alluaudite-group minerals, surrounded by eight O-atoms with a < A (2)–O> distance of 2.70 Å, and occupied by Na plus small amounts of other large cations. The refined site-scattering values and observed < M –O> distances at the M (1) and M (2) sites are in accord with occupancy primarily by Mg...
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Journal Article
Published: 31 March 2018
The Canadian Mineralogist (2018) 56 (2): 189–201.
...Natalia N. Koshlyakova; Natalia V. Zubkova; Igor V. Pekov; Gerald Giester; Evgeny G. Sidorov Abstract Johillerite, an anhydrous arsenate member of the alluaudite group with the idealized crystal chemical formula A (2) Na A (1) Cu M Mg 3 ( T AsO 4 ) 3 , is an abundant mineral in the exhalations...
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Journal Article
Published: 01 March 2018
European Journal of Mineralogy (2018) 30 (2): 305–322.
... fumaroles. Nineteen fumarolic arsenates with Cu 2+ , Al, Fe 3+ or Ti contain additional O 2− anions. The major fumarolic arsenates at Tolbachik are alluaudite-group members (johillerite, calciojohillerite, nickenichite, bradaczekite and badalovite), lammerite, svabite, tilasite, berzeliite and urusovite...
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Journal Article
Published: 01 June 2017
Mineralogical Magazine (2017) 81 (3): 723–736.
... in the outer zone of phosphate nodules, where it is associated with fluorapatite, wolfeite, Ca-rich graftonite and alluaudite-group minerals. Maneckiite is transparent, dark brown, with a colourless streak and vitreous lustre, brittle, and has a good cleavage //{010}, a splintery fracture and a Mohs hardness...
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