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John R. Beckett
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Journal Article

Atomic-scale characterization of the oxidation state of Ti in meteoritic hibonite: Implications for early solar system thermodynamics

Pierre-Marie Zanetta, Venkateswara Rao Manga, Yao-Jen Chang, Tarunika Ramprasad, Juliane Weber, John R. Beckett, Thomas J. Zega
Published: 01 May 2023
American Mineralogist (2023) 108 (5): 881–902.
DOI: https://doi.org/10.2138/am-2022-8311
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Oxidation state of iron and Fe-Mg partitioning between olivine and basaltic martian melts

Andrew K. Matzen, Alan Woodland, John R. Beckett, Bernard J. Wood
Published: 01 July 2022
American Mineralogist (2022) 107 (7): 1442–1452.
DOI: https://doi.org/10.2138/am-2021-7682
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A high-pressure, clinopyroxene-structured polymorph of albite in highly shocked terrestrial and meteoritic rocks

Chi Ma, Oliver Tschauner, Mihye Kong, John R. Beckett, Eran Greenberg, Vitali B. Prakapenka, Yongjae Lee
Published: 01 April 2022
American Mineralogist (2022) 107 (4): 625–630.
DOI: https://doi.org/10.2138/am-2021-7925
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Chenmingite, FeCr 2 O 4 in the CaFe 2 O 4 -type structure, a shock-induced, high-pressure mineral in the Tissint martian meteorite

Chi Ma, Oliver Tschauner, John R. Beckett, Yang Liu, Eran Greenberg, Vitali B. Prakapenka
Published: 01 October 2019
American Mineralogist (2019) 104 (10): 1521–1525.
DOI: https://doi.org/10.2138/am-2019-6999
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Nuwaite (Ni 6 GeS 2 ) and butianite (Ni 6 SnS 2 ), two new minerals from the Allende meteorite: Alteration products in the early solar system

Chi Ma, John R. Beckett
Published: 01 December 2018
American Mineralogist (2018) 103 (12): 1918–1924.
DOI: https://doi.org/10.2138/am-2018-6599
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Majindeite, Mg 2 Mo 3 O 8 , a new mineral from the Allende meteorite and a witness to post-crystallization oxidation of a Ca-Al-rich refractory inclusion

Chi Ma, John R. Beckett
Published: 01 May 2016
American Mineralogist (2016) 101 (5): 1161–1170.
DOI: https://doi.org/10.2138/am-2016-5399
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Allendeite (Sc 4 Zr 3 O 12 ) and hexamolybdenum (Mo,Ru,Fe), two new minerals from an ultrarefractory inclusion from the Allende meteorite

Chi Ma, John R. Beckett, George R. Rossman
Published: 01 April 2014
American Mineralogist (2014) 99 (4): 654–666.
DOI: https://doi.org/10.2138/am.2014.4667
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Monipite, MoNiP, a new phosphide mineral in a Ca-Al-rich inclusion from the Allende meteorite

Chi Ma, John R. Beckett, George R. Rossman
Published: 01 January 2014
American Mineralogist (2014) 99 (1): 198–205.
DOI: https://doi.org/10.2138/am.2014.4512
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Kangite, (Sc,Ti,Al,Zr,Mg,Ca,□) 2 O 3 , a new ultra-refractory scandia mineral from the Allende meteorite: Synchrotron micro-Laue diffraction and electron backscatter diffraction

Chi Ma, Oliver Tschauner, John R. Beckett, George R. Rossman, Wenjun Liu
Published: 01 May 2013
American Mineralogist (2013) 98 (5-6): 870–878.
DOI: https://doi.org/10.2138/am.2013.4290
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Browneite, MnS, a new sphalerite-group mineral from the Zakłodzie meteorite

Chi Ma, John R. Beckett, George R. Rossman
Published: 01 November 2012
American Mineralogist (2012) 97 (11-12): 2056–2059.
DOI: https://doi.org/10.2138/am.2012.4286
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Panguite, (Ti 4+ ,Sc,Al,Mg,Zr,Ca) 1.8 O 3 , a new ultra-refractory titania mineral from the Allende meteorite: Synchrotron micro-diffraction and EBSD

Chi Ma, Oliver Tschauner, John R. Beckett, George R. Rossman, Wenjun Liu
Published: 01 July 2012
American Mineralogist (2012) 97 (7): 1219–1225.
DOI: https://doi.org/10.2138/am.2012.4027
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Journal Article

Buseckite, (Fe,Zn,Mn)S, a new mineral from the Zakłodzie meteorite

Chi Ma, John R. Beckett, George R. Rossman
Published: 01 July 2012
American Mineralogist (2012) 97 (7): 1226–1233.
DOI: https://doi.org/10.2138/am.2012.4110
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Murchisite, Cr 5 S 6 , a new mineral from the Murchison meteorite

Chi Ma, John R. Beckett, George R. Rossman
Published: 01 November 2011
American Mineralogist (2011) 96 (11-12): 1905–1908.
DOI: https://doi.org/10.2138/am.2011.3858
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Thermodynamic properties of alloys of gold-74/palladium-26 with variable amounts of iron and the use of Au-Pd-Fe alloys as containers for experimental petrology

J. Brian Balta, John R. Beckett, Paul D. Asimow
Published: 01 October 2011
American Mineralogist (2011) 96 (10): 1467–1474.
DOI: https://doi.org/10.2138/am.2011.3637
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Brearleyite, Ca 12 Al 14 O 32 Cl 2 , a new alteration mineral from the NWA 1934 meteorite

Chi Ma, Harold C. Connolly, Jr., John R. Beckett, Oliver Tschauner, George R. Rossman, Anthony R. Kampf, Thomas J. Zega, Stuart A. Sweeney Smith, Devin L. Schrader
Published: 01 August 2011
American Mineralogist (2011) 96 (8-9): 1199–1206.
DOI: https://doi.org/10.2138/am.2011.3755
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Krotite, CaAl 2 O 4 , a new refractory mineral from the NWA 1934 meteorite

Chi Ma, Anthony R. Kampf, Harold C. Connolly, Jr., John R. Beckett, George R. Rossman, Stuart A. Sweeney Smith, Devin L. Schrader
Published: 01 May 2011
American Mineralogist (2011) 96 (5-6): 709–715.
DOI: https://doi.org/10.2138/am.2011.3693
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Redox Conditions in the Solar Nebula: Observational, Experimental, and Theoretical Constraints

Lawrence Grossman, John R. Beckett, Alexei V. Fedkin, Steven B. Simon, Fred J. Ciesla
Published: 01 January 2008
Reviews in Mineralogy and Geochemistry (2008) 68 (1): 93–140.
DOI: https://doi.org/10.2138/rmg.2008.68.7
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Thermodynamic properties of the Pt-Fe system

Ronit Kessel, John R. Beckett, Edward M. Stolper
Published: 01 September 2001
American Mineralogist (2001) 86 (9): 1003–1014.
DOI: https://doi.org/10.2138/am-2001-8-907
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Journal Article

Palladium oxide equilibration and the thermodynamic properties of MgAl 2 O 4 spinel

Laurinda Chamberlin, John R. Beckett, Edward Stolper
Published: 01 April 1995
American Mineralogist (1995) 80 (3-4): 285–296.
DOI: https://doi.org/10.2138/am-1995-3-410
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