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magnetoplumbite structure

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Journal Article

First natural hexaferrite with mixed β ‴- ferrite (β-alumina) and magnetoplumbite structure from Jabel Harmun, Palestinian Autonomy

Evgeny V. Galuskin, Irina O. Galuskina, Remo Widmer, Thomas Armbruster
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 559–567.
DOI: https://doi.org/10.1127/ejm/2018/0030-2697
...–gehlenite hornfels of the Hatrurim Complex, Palestinian Autonomy. Both ferrites are characterized by a modular structure composed of 5-layered spinel ( S ) blocks interstratified with R -blocks. The R -modules of K-ferrite are of the β-alumina type whereas those in Ba-ferrite are of the magnetoplumbite type...
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Structure of a new upper-mantle, magnetoplumbite-type phase, Ba[Ti 3 Cr 4 Fe 4 Mg]O 19

Ian E. Grey, Ian C. Madsen, Stephen E. Haggerty
Published: 01 June 1987
American Mineralogist (1987) 72 (5-6): 633–636.
...) Å. The crystal structure has been refined to R = 0.044 for 368 independent reflections [ I > 3 σ (I)] collected on a Siemen's aed diffractometer using Mo K α radiation. The new mineral has the magnetoplumbite-type structure, with a statistical disorder of the cations occupying the bipyram-idal site...
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The relationship between senaite, magneto-plumbite, and davidite

Roland C. Rouse, Donald R. Peacor
Published: 01 June 1968
American Mineralogist (1968) 53 (5-6): 869–879.
.... The structure is based on oxygen closest-packing with, by analogy to the magnetoplumbite structure, Pb in the anion framework. Davidite, which has a unit cell of the same dimensions as that of senaite, has the probable primitive unit cell contents (Ti, Fe, …) 21 O 39 . 1 Contribution No. 279...
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Gorerite has a <span class="search-highlight">magnetoplumbite</span>-type <span class="search-highlight">structure</span>, where spinel-like S blocks...

Gorerite has a magnetoplumbite-type structure, where spinel-like S blocks...

Published: 23 April 2024
Figure 7. Gorerite has a magnetoplumbite-type structure, where spinel-like S blocks are interspersed with rock salt type R blocks in the sequence of SRS*R* . The asterisk symbol denotes blocks that are rotated by 180° to maintain a P 6 3 / mmc symmetry. Drawn using CrystalMaker 2.7
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Polyhedral representation of the ideal <span class="search-highlight">magnetoplumbite</span>-type <span class="search-highlight">structure</span> viewe...

Polyhedral representation of the ideal magnetoplumbite-type structure viewe...

Published: 26 March 2020
Fig. 1. Polyhedral representation of the ideal magnetoplumbite-type structure viewed approximately along [310]. The M 1 octahedra (yellow) and the M 3 tetrahedra (orange) are in the central section of the S block. The trigonal bipyramidal M 2 positions in (green), face-sharing M 4 octahedra
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Nomenclature of the magnetoplumbite group

Dan Holtstam, Ulf Hålenius
Published: 26 March 2020
Mineralogical Magazine (2020) 84 (3): 376–380.
DOI: https://doi.org/10.1180/mgm.2020.20
...Fig. 1. Polyhedral representation of the ideal magnetoplumbite-type structure viewed approximately along [310]. The M 1 octahedra (yellow) and the M 3 tetrahedra (orange) are in the central section of the S block. The trigonal bipyramidal M 2 positions in (green), face-sharing M 4 octahedra...
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Gorerite, CaAlFe 11 O 19 , a new mineral of the magnetoplumbite group from the Negev Desert, Israel

Evgeny V. Galuskin, Biljana Krüger, Irina O. Galuskina, Hannes Krüger, Krzysztof Nejbert, Yevgeny Vapnik
Published: 23 April 2024
Mineralogical Magazine (2024) 88 (4): 451–460.
DOI: https://doi.org/10.1180/mgm.2024.30
...Figure 7. Gorerite has a magnetoplumbite-type structure, where spinel-like S blocks are interspersed with rock salt type R blocks in the sequence of SRS*R* . The asterisk symbol denotes blocks that are rotated by 180° to maintain a P 6 3 / mmc symmetry. Drawn using CrystalMaker 2.7...
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Nezilovite, a new member of the magnetoplumbite group, and the crystal chemistry of magnetoplumbite and hibonite

Vladimir Bermanec, Dan Holtstam, Darko Sturman, Alan J. Criddle, Malcolm E. Back, Stjepan Scavnicar
Published: 01 December 1996
The Canadian Mineralogist (1996) 34 (6): 1287–1297.
...), 2.605(40)(114) and 1.636(30)(0,0,14). The crystal structures of natural magnetoplumbite [a 5.902(2), c 23.185(8) Aa], hibonite [a 5.613(1), c 22.285(8) A//] and nezilovite [a 5.849(1), c 22.809(2) Aa] have been refined in the space group P6 3 /mmc to R indices of 6.9%, 5.3% and 4.5%, respectively, using...
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Magnetoplumbite, Pb 2+ Fe 3+ 12 O 19 : Refinement and Long-Pair Splitting

Paul Brian Moore, Pradip K. Sen Gupta, Yvon Le Page
Published: 01 October 1989
American Mineralogist (1989) 74 (9-10): 1186–1194.
...Paul Brian Moore; Pradip K. Sen Gupta; Yvon Le Page Abstract Synthetic magnetoplumbite, Pb 2+ Fe 12 3 O 19 , hexagonal holosymmetric, a = 5.873(2), c = 23.007(6) Å, space group P 6 3 / mmc , Z = 2, D calc = 5.71 g·cm -3 has been defined to R = 0.041 (Mo K α 1 ,) with the use of 397 unique F o...
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Hawthorneite, Ba[Ti 3 Cr 4 Fe 4 Mg]O 19 ; a new metasomatic magnetoplumbite-type mineral from the upper mantle

Stephen E. Haggerty, Ian E. Grey, Ian C. Madsen, A. J. Criddle, C. J. Stanley, A. J. Erlank
Published: 01 June 1989
American Mineralogist (1989) 74 (5-6): 668–675.
... in maximum dimension), is in intimate association with lindsleyite (Ba,Sr)(Ti,Cr.. .) 21 O 38 , a member of the crichtonite group, accessory niobian chromian rutile, and magnesian chromian ilmenite in host-replacement-textured magne-sian chromite. Hawthomeite is isostructural with magnetoplumbite Pb(Fe,Mn...
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The unit cell of magnetoplumbite

L. G. Berry
Published: 01 June 1951
American Mineralogist (1951) 36 (5-6): 512–514.
... of the manganese. Adelsköld ( Ark. Kerni. , 12 (29), 1938) determined lattice dimensions for PbO·6Fe 2 O 3 which he states corresponds to magnetoplumbite. In Dana ( System , 1 , 728, 1944) it is shown that the structural formula deduced from the mineral data bears no similarity to the composition of the artificial...
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A temperature-dependent structure study of gem-quality hibonite from Myanmar

M. Nagashaima, T. Armbruster, T. Hainschwang
Published: 01 October 2010
Mineralogical Magazine (2010) 74 (5): 871–885.
DOI: https://doi.org/10.1180/minmag.2010.074.5.871
... hibonite, the S - and R -blocks alternate, hence the formula for RS is AY 6 O 11 · Y 6 O 8 = AY 12 O 19 . In magnetoplumbite-related structures the length of a is ∼5.6 Å whereas the length of c depends on the stacking sequence. F ig . 1. Polyhedral representation of the hibonite...
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Polysomatism in högbomite: The crystal structures of 10 T , 12 H , 14 T, and 24 R polysomes

Clivia Hejny, Thomas Armbruster
Published: 01 February 2002
American Mineralogist (2002) 87 (2-3): 277–292.
DOI: https://doi.org/10.2138/am-2002-2-309
.... F igure 7. FTIR spectrum of a single-crystal of högbomite-10 T . The system of magnetoplumbite-related structures is comparable to the polysomatic series of högbomite- and nigerite-group minerals. In addition to magnetoplumbite (e.g., Moore et al. 1989 ; Bermanec and Šćavničar...
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Plumboferrite: New mineralogical data and atomic arrangement

Dan Holtstam, Rolf Norrestam, Arne Sjodin
Published: 01 October 1995
American Mineralogist (1995) 80 (9-10): 1065–1072.
DOI: https://doi.org/10.2138/am-1995-9-1024
... of plumboferrite has been refined from the 394 most significant ( I > 5 σ I ) X-ray reflections with (sin θ )/λ ≤ 0.81 Å −1 to R = 3.9%. It has a defect magnetoplumbite-type structure that can be described in terms of two basic structural units, the R and the S (spinel) blocks. The stacking sequence...
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Mixed-layer polytypes related to magnetoplumbite

J. A. Kohn, D. W. Eckart
Published: 01 September 1965
American Mineralogist (1965) 50 (9): 1371–1380.
...J. A. Kohn; D. W. Eckart Abstract Thirteen new, discrete rhombohedral and hexagonal layer structures, of the type Ba w Zn y Fe w O z , have been identified during an x -ray diffraction study of “hexagonal ferrite” single crystals. They consist of an ordered c -axis stacking of two five-anion-layer...
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Haggertyite, a new magnetoplumbite-type titanate mineral from the Prairie Creek (Arkansas) lamproite

Ian E. Grey, Danielle Velde, Alan J. Criddle
Published: 01 December 1998
American Mineralogist (1998) 83 (11-12_Part_1): 1323–1329.
DOI: https://doi.org/10.2138/am-1998-11-1221
... platelets, typically 30-70 mu m maximum dimension, which often show hexagonal morphology. Associated minerals are diopside, olivine, phlogopite, Ti-K-richterite, chrome spinel, ilmenite, priderite, and jeppeite. Haggertyite has a magnetoplumbite-type structure. Typical microprobe analyses give (as wt...
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Minerals and materials: building principles and applications A special issue in honour of Giovanni Ferraris and Stefano Merlino

Massimo Nespolo, Marco Pasero
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 411–412.
DOI: https://doi.org/10.1127/ejm/2018/0030-2776
...-2745 . Galuskin , E. , Galuskina , I. , Widmer , R. , Armbruster , T. ( 2018 ): First natural hexaferrite with mixed β″′-ferrite (β-alumina) and magnetoplumbite structure from Jabel Harmun, Palestinian Autonomy . Eur. J. Mineral. , 30 , DOI: 10.1127/ejm/2018/0030-2697...
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A new occurrence of yimengite-hawthorneite and crichtonite-group minerals in an orthopyroxenite from kimberlite: Implications for mantle metasomatism

Dmitriy I. Rezvukhin, Taisia A. Alifirova, Andrey V. Korsakov, Alexander V. Golovin
Published: 01 May 2019
American Mineralogist (2019) 104 (5): 761–774.
DOI: https://doi.org/10.2138/am-2019-6741
... to be the alteration products of the latter ( Jones et al. 1982 ; Dong et al. 1984 ; Haggerty et al. 1989 ; Nixon and Condliffe 1989 ; Haggerty 1991 ; Bulanova et al. 2004 ). From the crystal structure point of view, magnetoplumbite-group minerals are partly composed of spinel-type structural slabs; thus...
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Substitution of Ti 3+ and Ti 4+ in hibonite (CaAl 12 O 19 )

Patricia M. Doyle, Paul F. Schofield, Andrew J. Berry, Andrew M. Walker, Kevin S. Knight
Published: 01 July 2014
American Mineralogist (2014) 99 (7): 1369–1382.
DOI: https://doi.org/10.2138/am.2014.4532
... 1968 ; Utsunomiya et al. 1988 ; Bermanec et al. 1996 ; Hofmeister et al. 2004 ; Nagashima et al. 2010 ). Hibonite is hexagonal (space group P 6 3 / mmc , Z = 2, a ≈ 5.6 Å, and c ≈ 22.0 Å; Hofmeister et al. 2004 ) and exhibits the magnetoplumbite structure-type ( Kato and Saalfeld 1968...
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Primary phases in aluminous slags produced by the aluminothermic reduction of pyrochlore

Roger H. Mitchell, Anthony N. Mariano
Published: 01 April 2016
Mineralogical Magazine (2016) 80 (2): 383–397.
DOI: https://doi.org/10.1180/minmag.2016.080.009
... of the magnetoplumbite structure ( AB 12 O 19 ; Townes et al., 1967) formed by replacing the [ A O 3 ] layer in that structure with an A 2 O layer in which the A site is 50% occupied, resulting in an effective composition of A O for this layer. The structure differs from magnetoplumbite in that the fifth layer...
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