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Journal Article

Stability of magnesite in the presence of hydrous fluids up to 12 GPa: Insights into subduction zone processes and carbon cycling in the Earth’s mantle

Melanie J. Sieber, Hans Josef Reichmann, Robert Farla, Monika Koch-Müller
Published: 01 July 2024
American Mineralogist (2024) 109 (7): 1153–1161.
DOI: https://doi.org/10.2138/am-2023-8982
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High-pressure polymorphs of ferroan dolomite: Possible host structures for carbon in the lower mantle

Naira S. Martirosyan, Ilias Efthimiopoulos, Sandro Jahn, Sergey S. Lobanov, Richard Wirth, Hans-Josef Reichmann, Monika Koch-Müller
Published: 01 April 2024
American Mineralogist (2024) 109 (4): 701–708.
DOI: https://doi.org/10.2138/am-2022-8737
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Synthesis, structure, and single-crystal elasticity of Al-bearing superhydrous phase B

Xinyang Li, Sergio Speziale, Konstantin Glazyrin, Franziska D.H. Wilke, Hanns-Peter Liermann, Monika Koch-Müller
Published: 01 May 2022
American Mineralogist (2022) 107 (5): 885–895.
DOI: https://doi.org/10.2138/am-2022-7989
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Effect of cationic substitution on the pressure-induced phase transitions in calcium carbonate

Naira S. Martirosyan, Ilias Efthimiopoulos, Lea Pennacchioni, Richard Wirth, Sandro Jahn, Monika Koch-Müller
Published: 01 April 2021
American Mineralogist (2021) 106 (4): 549–558.
DOI: https://doi.org/10.2138/am-2021-7547
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Partition coefficients of trace elements between carbonates and melt and suprasolidus phase relation of Ca-Mg-carbonates at 6 GPa

Melanie J. Sieber, Franziska Wilke, Monika Koch-Müller
Published: 01 June 2020
American Mineralogist (2020) 105 (6): 922–931.
DOI: https://doi.org/10.2138/am-2020-7098
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Melting relations in the system CaCO 3 -MgCO 3 at 6 GPa

Jan Müller, Monika Koch-Müller, Dieter Rhede, Franziska D.H. Wilke, Richard Wirth
Published: 01 December 2017
American Mineralogist (2017) 102 (12): 2440–2449.
DOI: https://doi.org/10.2138/am-2017-5831
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Effect of temperature on the pressure-induced spin transition in siderite and iron-bearing magnesite: a Raman spectroscopy study

Jan Müller, Ilias Efthimiopoulos, Sandro Jahn, Monika Koch-Müller
Published: 06 June 2017
European Journal of Mineralogy (2017) 29 (5): 785–793.
DOI: https://doi.org/10.1127/ejm/2017/0029-2645
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Raman spectroscopy of siderite at high pressure: Evidence for a sharp spin transition

Jan Müller, Sergio Speziale, Ilias Efthimiopoulos, Sandro Jahn, Monika Koch-Müller
Published: 01 December 2016
American Mineralogist (2016) 101 (12): 2638–2644.
DOI: https://doi.org/10.2138/am-2016-5708
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T-induced displacive phase transition of end-member Pb-lawsonite

Martin Ende, Bernd Wunder, Monika Koch-Müller, Thomas Pippinger, Gernot Buth, Gerald Giester, Christian L. Lengauer, Eugen Libowitzky
Published: 01 April 2016
Mineralogical Magazine (2016) 80 (2): 249–267.
DOI: https://doi.org/10.1180/minmag.2016.080.015
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Special Collection: Advances in Ultrahigh-Pressure Metamorphism: Tetrahedral boron in natural and synthetic HP/UHP tourmaline: Evidence from Raman spectroscopy, EMPA, and single-crystal XRD

Martin Kutzschbach, Bernd Wunder, Dieter Rhede, Monika Koch-Müller, Andreas Ertl, Gerald Giester, Wilhelm Heinrich, Gerhard Franz
Published: 01 January 2016
American Mineralogist (2016) 101 (1): 93–104.
DOI: https://doi.org/10.2138/am-2016-5341
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Equation of state and elasticity of the 3.65 Å phase: Implications for the X-discontinuity

Mainak Mookherjee, Sergio Speziale, Hauke Marquardt, Sandro Jahn, Bernd Wunder, Monika Koch-Müller, Hanns-Peter Liermann
Published: 01 October 2015
American Mineralogist (2015) 100 (10): 2199–2208.
DOI: https://doi.org/10.2138/am-2015-5312
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Structural insights and elasticity of single-crystal antigorite from high-pressure Raman and Brillouin spectroscopy measured in the (010) plane

Hauke Marquardt, Sergio Speziale, Monika Koch-Müller, Katharina Marquardt, Gian Carlo Capitani
Published: 01 August 2015
American Mineralogist (2015) 100 (8-9): 1932–1939.
DOI: https://doi.org/10.2138/am-2015-5198
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Quantification of water in majoritic garnet

Sylvia-Monique Thomas, Kathryn Wilson, Monika Koch-Müller, Erik H. Hauri, Catherine McCammon, Steven D. Jacobsen, John Lazarz, Dieter Rhede, Minghua Ren, Neal Blair, Stephan Lenz
Published: 01 May 2015
American Mineralogist (2015) 100 (5-6): 1084–1092.
DOI: https://doi.org/10.2138/am-2015-5136
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Synthetic and natural ammonium-bearing tourmaline

Bernd Wunder, Eleanor Berryman, Birgit Plessen, Dieter Rhede, Monika Koch-Müller, Wilhelm Heinrich
Published: 01 January 2015
American Mineralogist (2015) 100 (1): 250–256.
DOI: https://doi.org/10.2138/am-2015-5055
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Synthesis of a quenchable high-pressure form of magnetite (h-Fe 3 O 4 ) with composition Fe1 (Fe 2+ 0.75 Mg 0.26 ) Fe2 (Fe 3+ 0.70 Cr 0.15 Al 0.11 Si 0.04 ) 2 O 4

Monika Koch-Müller, Enrico Mugnaioli, Dieter Rhede, Sergio Speziale, Ute Kolb, Richard Wirth
Published: 01 November 2014
American Mineralogist (2014) 99 (11-12): 2405–2415.
DOI: https://doi.org/10.2138/am-2014-4944
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Hydrogen incorporation and the oxidation state of iron in ringwoodite: A spectroscopic study

Maria Mrosko, Stephan Lenz, Catherine A. McCammon, Michail Taran, Richard Wirth, Monika Koch-Müller
Published: 01 April 2013
American Mineralogist (2013) 98 (4): 629–636.
DOI: https://doi.org/10.2138/am.2013.4245
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Coupled H and Nb, Cr, and V trace element behavior in synthetic rutile at 600 °C, 400 MPa and possible geological application

Friedrich Lucassen, Monika Koch-Müller, Michail Taran, Gerhard Franz
Published: 01 January 2013
American Mineralogist (2013) 98 (1): 7–18.
DOI: https://doi.org/10.2138/am.2013.4183
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In situ high-temperature Raman and FTIR spectroscopy of the phase transformation of lizardite

Roy Trittschack, Bernard Grobéty, Monika Koch-Müller
Published: 01 November 2012
American Mineralogist (2012) 97 (11-12): 1965–1976.
DOI: https://doi.org/10.2138/am.2012.4162
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The 7 th European Conference on Mineralogy and Spectroscopy Preface

Monika Koch-müller, Michael Fechtelkord, Vladimir Khomenko, Sergio Speziale
Published: 01 September 2012
European Journal of Mineralogy (2012) 24 (5): 775–776.
DOI: https://doi.org/10.1127/0935-1221/2012/0024-2248
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Pressure-induced phase transitions in ilvaite studied by in situ micro-FTIR spectroscopy

Monika Koch-Müller, Maria Mrosko, Matthias Gottschalk, Ulrich Schade
Published: 01 September 2012
European Journal of Mineralogy (2012) 24 (5): 831–838.
DOI: https://doi.org/10.1127/0935-1221/2012/0024-2197
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