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magnetoplumbite

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Journal Article

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.
...Vladimir Bermanec; Dan Holtstam; Darko Sturman; Alan J. Criddle; Malcolm E. Back; Stjepan Scavnicar Abstract Nezilovite, ideally PbZn 2 (Mn (super 4+) ,Ti (super 4+) ) 2 Fe 8 O 19 , is a newly recognized member of the magnetoplumbite group from Nezilovo, FYR Macedonia. It forms black, magnetic...
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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
...Dan Holtstam; Ulf Hålenius Abstract A nomenclature and classification scheme has been approved by IMA–CNMNC for the magnetoplumbite group, with the general formula A [ B 12 ]O 19 . The classification on the highest hierarchical level is decided by the dominant metal at the 12-coordinated A sites...
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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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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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Mineral chemistry and parageneses of magnetoplumbite from the Filipstad District, Sweden

Dan Holtstam
Published: 01 October 1994
European Journal of Mineralogy (1994) 6 (5): 711–724.
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Zn-rich magnetoplumbite from Nezilovo, Macedonia

Vladimir Bermanec, Drazen Balen, Stjepan Scavnicar, Darko Tibljas
Published: 01 October 1993
European Journal of Mineralogy (1993) 5 (5): 957–960.
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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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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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Mixed-layer polytypes related to magnetoplumbite

J. A. Kohn, D. W. Eckart
Published: 01 September 1965
American Mineralogist (1965) 50 (9): 1371–1380.
... substituted magnetoplumbite units (Ba 2 Fe 12 O 19 ; M ) with a variable number of closely related six-layer units (Ba 2 Zn 2 Fe 12 O 22 ; Y ). An M 2 Y n series (n = l-10) is generated, in which all unit cells have a common basal section ( a = 5.88 Á) and hexagonal c varies up to 505.4 Á. For a given Y...
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Journal Article

The unit cell of magnetoplumbite

L. G. Berry
Published: 01 June 1951
American Mineralogist (1951) 36 (5-6): 512–514.
...L. G. Berry Abstract Magnetoplumbite was described by Aminoff ( Geol. För. Förh. 47 , 283, 1925) from Långban, Sweden, with cell dimensions and analysis by Almström. The mineral was later re-analysed by Blix ( Geol. För. Förh. 59 , 300, 1937); this later analysis showing the true valence state...
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Classification of the <span class="search-highlight">magnetoplumbite</span> group. <span class="search-highlight">Magnetoplumbite</span> subg...

Classification of the magnetoplumbite group. Magnetoplumbite subg...

Published: 26 March 2020
Table 3. Classification of the magnetoplumbite group. Magnetoplumbite subgroup, A  = Pb Magnetoplumbite Plumboferrite Nežilovite Hawthorneite subgroup, A  = Ba Hawthorneite Haggertyite Batiferrite Barioferrite Hibonite subgroup, A  = Ca Hibonite
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Significant types of substitution in the <span class="search-highlight">magnetoplumbite</span> group. G...

Significant types of substitution in the magnetoplumbite group. G...

Published: 26 March 2020
Table 5. Significant types of substitution in the magnetoplumbite group. Generalised substitution Example Homovalent   A 2+ → A ˈ 2+ Pb 2+ → Ba 2+ B 3+ → B ˈ 3+ Fe 3+ → Cr 3+ Heterovalent   2 B 3+ → B 2+  +  B 4+ 2Al 3+ → Mg 2+  + Ti 4
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The presently valid <span class="search-highlight">magnetoplumbite</span>-group minerals. Name Formu...

The presently valid magnetoplumbite-group minerals. Name Formu...

Published: 26 March 2020
Table 1. The presently valid magnetoplumbite-group minerals. Name Formula Type locality References Plumboferrite Pb[Fe 10.67 Mn 2+ 0.33 Pb]O 18.33 Jakobsberg mine, Värmland, Sweden Igelström ( 1881 ); Holtstam et al . ( 1995 ) Magnetoplumbite Pb[Fe 12 ]O 19 Långban
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Major components at the cation sites of <span class="search-highlight">magnetoplumbite</span>-group minerals. Spe...

Major components at the cation sites of magnetoplumbite-group minerals. Spe...

Published: 26 March 2020
Table 4. Major components at the cation sites of magnetoplumbite-group minerals. Species-defining elements are given in bold. Mineral A M 1 M 2 M 3 M 4 M 5 Magnetoplumbite Pb Fe 3+ Fe 3+ Fe 3+ , Mn 2+ Fe 3+ , Ti 4+ , Sb 5+ Fe 3+ , Mn 3
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Polyhedral representation of the ideal <span class="search-highlight">magnetoplumbite</span>-type structure 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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Microphotograph in polarised light of a thin section with poikiloblastic hi...

Microphotograph in polarised light of a thin section with poikiloblastic hi...

Published: 01 March 2022
Fig. 1. Microphotograph in polarised light of a thin section with poikiloblastic hiärneite (orange) and magnetoplumbite/jacobsite (opaque) in a fine-grained phlogopite matrix. Field of view = 1 mm width. Specimen GEO-NRM #19920776.
Journal Article

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
...Dmitriy I. Rezvukhin; Taisia A. Alifirova; Andrey V. Korsakov; Alexander V. Golovin Abstract Large-ion lithophile elements (LILE)-enriched chromium titanates of the magnetoplumbite (AM 12 O 19 ) and crichtonite (ABC 18 T 2 O 38 ) groups have been recognized as abundant inclusions in orthopyroxene...
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Mineralogy of mafic xenoliths and their reaction zones in the olivine lamproite from Prairie Creek Arkansas and the paragenesis of haggertyite, Ba [Fe 6 Ti 5 Mg]O 19

Danielle Velde
Published: 01 March 2000
American Mineralogist (2000) 85 (3-4): 420–429.
DOI: https://doi.org/10.2138/am-2000-0403
...Danielle Velde Abstract The recently discovered mineral haggertyite, which belongs to the magnetoplumbite family, occurs in the Prairie Creek lamproite exclusively in a reaction zone at the contact between the olivine lamproite and serpentized xenoliths. Compositional characteristics...
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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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