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Journal Article

Erssonite, CaMg 7 Fe 3+ 2 (OH) 18 (SO 4 ) 2 ⋅12H 2 O, a new hydrotalcite-supergroup mineral from Långban, Sweden Available to Purchase

Elena S. Zhitova, Nikita V. Chukanov, Erik Jonsson, Igor V. Pekov, Dmitry I. Belakovskiy, Marina F. Vigasina, Natalia V. Zubkova, Konstantin V. Van, Sergey N. Britvin
Published: 02 September 2021
Mineralogical Magazine (2021) 85 (5): 817–826.
DOI: https://doi.org/10.1180/mgm.2021.70
...Elena S. Zhitova; Nikita V. Chukanov; Erik Jonsson; Igor V. Pekov; Dmitry I. Belakovskiy; Marina F. Vigasina; Natalia V. Zubkova; Konstantin V. Van; Sergey N. Britvin Abstract The new wermlandite-group mineral erssonite, ideally CaMg 7 Fe 3+ 2 (OH) 18 (SO 4 ) 2 ⋅12H 2 O (or [Mg 7 Fe 3+ 2 (OH) 18...
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Lamellar crystals of erssonite: (a) Field of view, width 2 mm photo: A. Ersson and (b) erssonite in association with yellow dolomite, photo: Anatoly.V. Kasatkin.

Lamellar crystals of erssonite: (a) Field of view, width 2 mm photo: A. Ers... Available to Purchase

Published: 02 September 2021
Fig. 1. Lamellar crystals of erssonite: (a) Field of view, width 2 mm photo: A. Ersson and (b) erssonite in association with yellow dolomite, photo: Anatoly.V. Kasatkin.
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The Raman spectrum of erssonite.

The Raman spectrum of erssonite. Available to Purchase

Published: 02 September 2021
Fig. 2. The Raman spectrum of erssonite.
Journal Article

New Mineral Names: Alteration Products Free

Aaron J. Celestian
Published: 01 February 2022
American Mineralogist (2022) 107 (2): 318–320.
DOI: https://doi.org/10.2138/am-2022-NMN107228
...Aaron J. Celestian Abstract In this issue In this series of New Mineral Names, the theme is alteration products ranging from supergene mineralization to ambient pressure and temperature bat guano–rock interactions. The minerals highlighted here are: arrheniusite-(Ce), erssonite, krupičkaite...
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The arrangement of interlayer components: SO4 tetrahedra, Ca(H2O)6 octahedra and H2O molecules in the crystal structure of erssonite. The hydrogen bonds are shown as dashed lines.

The arrangement of interlayer components: SO 4 tetrahedra, Ca(H 2 O) 6 oc... Available to Purchase

Published: 02 September 2021
Fig. 4. The arrangement of interlayer components: SO 4 tetrahedra, Ca(H 2 O) 6 octahedra and H 2 O molecules in the crystal structure of erssonite. The hydrogen bonds are shown as dashed lines.
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Comparative data of erssonite and closely related wermlandite-group mineral... Available to Purchase

Published: 02 September 2021
Table 6. Comparative data of erssonite and closely related wermlandite-group minerals. Erssonite Wermlandite Nikischerite Shigaite Crystal chemical formula {Mg 7 M 3+ 2 (OH) 18 } { M 2+ 6 Al 3 (OH) 18 } {[Ca(H 2 O) 6 ](SO 4 ) 2 (H 2 O) 6 } {[Na(H 2 O) 6 ](SO 4 ) 2
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Powder X-ray diffraction data for erssonite and wermlandite. ... Available to Purchase

Published: 02 September 2021
Table 3. Powder X-ray diffraction data for erssonite and wermlandite. Erssonite Wermlandite, ICDD # 01–075–1398 (Rius and Allmann, 1984 ) d meas (Å) d calc (Å) I meas (%) I calc (%) h k l d meas (Å) I rel (%) 11.22 11.30 90 100 0
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(a) The crystal structure of erssonite; (b) the atomic arrangement of interlayer gallery (xy projection, z = 0); (c) metal–hydroxide layer with Fe and Mg ordering by 3 × 3 superstructure (xy projection, z = ¼) and (d) interlayer superimposed to metal–hydroxide layer. Notes: Mg are Mg(OH)6 octahedra, Fe are Fe3+(OH)6 octahedra, Ca are Ca(H2O)6 octahedra, S are SO4 tetrahedra, and H2O are H2O molecules.

(a) The crystal structure of erssonite; (b) the atomic arrangement of inter... Available to Purchase

Published: 02 September 2021
Fig. 3. (a) The crystal structure of erssonite; (b) the atomic arrangement of interlayer gallery ( xy projection, z  = 0); (c) metal–hydroxide layer with Fe and Mg ordering by 3 × 3 superstructure ( xy projection, z  = ¼) and (d) interlayer superimposed to metal–hydroxide layer. Notes: Mg
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Comparative data of erssonite and closely related wermlandite-group mineral... Available to Purchase

Published: 02 September 2021
Table 6. Comparative data of erssonite and closely related wermlandite-group minerals. Erssonite Wermlandite Nikischerite Shigaite Crystal chemical formula {Mg 7 M 3+ 2 (OH) 18 } { M 2+ 6 Al 3 (OH) 18 } {[Ca(H 2 O) 6 ](SO 4 ) 2 (H 2 O) 6 } {[Na(H 2 O) 6 ](SO 4 ) 2
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Chemical composition of erssonite. Constituent Content, wt.% ... Available to Purchase

Published: 02 September 2021
Table 2. Chemical composition of erssonite. Constituent Content, wt.% Range S.D. Standard MgО 28.67 26.49–30.54 1.31 Diopside CaО 2.76 2.47–3.57 0.26 Wollastonite Al 2 О 3 0.23 0.10–0.41 0.09 Albite Cr 2 O 3 0.23 0.02–0.36 0.09 Cr Fe 2 О 3
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Comparative data of erssonite and closely related wermlandite-group mineral... Available to Purchase

Published: 02 September 2021
Table 6. Comparative data of erssonite and closely related wermlandite-group minerals. Erssonite Wermlandite Nikischerite Shigaite Crystal chemical formula {Mg 7 M 3+ 2 (OH) 18 } { M 2+ 6 Al 3 (OH) 18 } {[Ca(H 2 O) 6 ](SO 4 ) 2 (H 2 O) 6 } {[Na(H 2 O) 6 ](SO 4 ) 2
Image

Comparative data of erssonite and closely related wermlandite-group mineral... Available to Purchase

Published: 02 September 2021
Table 6. Comparative data of erssonite and closely related wermlandite-group minerals. Erssonite Wermlandite Nikischerite Shigaite Crystal chemical formula {Mg 7 M 3+ 2 (OH) 18 } { M 2+ 6 Al 3 (OH) 18 } {[Ca(H 2 O) 6 ](SO 4 ) 2 (H 2 O) 6 } {[Na(H 2 O) 6 ](SO 4 ) 2
Image

Comparative data of erssonite and closely related wermlandite-group mineral... Available to Purchase

Published: 02 September 2021
Table 6. Comparative data of erssonite and closely related wermlandite-group minerals. Erssonite Wermlandite Nikischerite Shigaite Crystal chemical formula {Mg 7 M 3+ 2 (OH) 18 } { M 2+ 6 Al 3 (OH) 18 } {[Ca(H 2 O) 6 ](SO 4 ) 2 (H 2 O) 6 } {[Na(H 2 O) 6 ](SO 4 ) 2
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Calculated and observed M –O distances in the crystal structures of ersson... Available to Purchase

Published: 02 September 2021
Table 7. Calculated and observed M –O distances in the crystal structures of erssonite and wermlandite and assigned occupancies of cation sites. Bond in Å Wermlandite (Rius and Allmann, 1984 ) Erssonite (this work) < M –O> obs < M –O> calc Occupancy < M
Journal Article

MGM volume 85 issue 5 Cover and Back matter Available to Purchase

Published: 01 October 2021
Mineralogical Magazine (2021) 85 (5): b1–b2.
DOI: https://doi.org/10.1180/mgm.2021.79
...)(SO4)(OH)6, a new alunite-supergroup mineral from the Clara mine, Schwarzwald, Germany and Monterniers mine, Rhône, France ELENA S. ZHITOVA, NIKITA V. CHUKANOV, ERIK JONSSON, IGOR V. PEKOV, DMITRY I. BELAKOVSKIY, MARINA F. VIGASINA, NATALIA V. ZUBKOVA, KONSTANTIN V. VAN and SERGEY N. BRITVIN: Erssonite...
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Journal Article

Newsletter 61 Available to Purchase

Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, Stuart J. Mills
Published: 01 June 2021
Mineralogical Magazine (2021) 85 (3): 459–463.
DOI: https://doi.org/10.1180/mgm.2021.48
...; Mineralogical Magazine , 85 , https://doi.org/10.1180/mgm.2021.48 IMA No. 2021-016 Erssonite CaMg 7 Fe 3+ 2 (OH) 18 (SO 4 ) 2 ⋅12H 2 O Långban mine, Filipstad district, Värmland county, Sweden (59°51’19”N, 14°15’53”E) Elena S. Zhitova*, Nikita V. Chukanov, Erik Jonsson, Igor V. Pekov...
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Crystal data, data collection information and structure refinement paramete... Available to Purchase

Published: 02 September 2021
Table 1. Crystal data, data collection information and structure refinement parameters for erssonite. Crystal data Crystal system Trigonal Space group P $\bar{3}$ c 1 Unit-cell dimensions a , c (Å) 9.3550(6), 22.5462(14) Unit-cell volume (Å 3 ) 1708.8(2
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Crystal data, data collection information and structure refinement paramete... Available to Purchase

Published: 02 September 2021
Table 1. Crystal data, data collection information and structure refinement parameters for erssonite. Crystal data Crystal system Trigonal Space group P $\bar{3}$ c 1 Unit-cell dimensions a , c (Å) 9.3550(6), 22.5462(14) Unit-cell volume (Å 3 ) 1708.8(2
Image

Crystal data, data collection information and structure refinement paramete... Available to Purchase

Published: 02 September 2021
Table 1. Crystal data, data collection information and structure refinement parameters for erssonite. Crystal data Crystal system Trigonal Space group P $\bar{3}$ c 1 Unit-cell dimensions a , c (Å) 9.3550(6), 22.5462(14) Unit-cell volume (Å 3 ) 1708.8(2
Image

Crystal data, data collection information and structure refinement paramete... Available to Purchase

Published: 02 September 2021
Table 1. Crystal data, data collection information and structure refinement parameters for erssonite. Crystal data Crystal system Trigonal Space group P $\bar{3}$ c 1 Unit-cell dimensions a , c (Å) 9.3550(6), 22.5462(14) Unit-cell volume (Å 3 ) 1708.8(2