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Augusto Marcelli
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Journal Article

Oxidation or cation re-arrangement? Distinct behavior of riebeckite at high temperature

Giancarlo Della Ventura, Günther J. Redhammer, Federico Galdenzi, Gennaro Ventruti, Umberto Susta, Roberta Oberti, Francesco Radica, Augusto Marcelli
Published: 03 January 2023
American Mineralogist (2023) 108 (1): 59–69.
DOI: https://doi.org/10.2138/am-2022-8073
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Kinetics of dehydrogenation of riebeckite Na 2 Fe 2 3 + Fe 3 2 + Si 8 O 22 (OH) 2 : An HT-FTIR study

Giancarlo Della Ventura, Francesco Radica, Federico Galdenzi, Umberto Susta, Gianfelice Cinque, Mariangela Cestelli-Guidi, Boriana Mihailova, Augusto Marcelli
Published: 01 April 2022
American Mineralogist (2022) 107 (4): 754–764.
DOI: https://doi.org/10.2138/am-2022-8021
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The dynamics of Fe oxidation in riebeckite: A model for amphiboles

Giancarlo Della Ventura, Boriana Mihailova, Umberto Susta, Mariangela Cestelli Guidi, Augusto Marcelli, Jochen Schlüter, Roberta Oberti
Published: 01 July 2018
American Mineralogist (2018) 103 (7): 1103–1111.
DOI: https://doi.org/10.2138/am-2018-6382
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Deprotonation of Fe-dominant amphiboles: Single-crystal HT-FTIR spectroscopic studies of synthetic potassic-ferro-richterite

Giancarlo Della Ventura, Umberto Susta, Fabio Bellatreccia, Augusto Marcelli, Günther J. Redhammer, Roberta Oberti
Published: 01 January 2017
American Mineralogist (2017) 102 (1): 117–125.
DOI: https://doi.org/10.2138/am-2017-5859
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The interlayer structure of trioctahedral lithian micas: An AXANES spectroscopy study at the potassium K -edge

Giannantonio Cibin, Annibale Mottana, Augusto Marcelli, Gianfelice Cinque, Wei Xu, Ziyu Wu, Maria Franca Brigatti
Published: 01 July 2010
American Mineralogist (2010) 95 (7): 1084–1094.
DOI: https://doi.org/10.2138/am.2010.3344
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Interlayer potassium and its neighboring atoms in micas: Crystal-chemical modeling and XANES spectroscopy

Maria Franca Brigatti, Daniele Malferrari, Marco Poppi, Annibale Mottana, Giannantonio Cibin, Augusto Marcelli, Gianfelice Cinque
Published: 01 May 2008
American Mineralogist (2008) 93 (5-6): 821–830.
DOI: https://doi.org/10.2138/am.2008.2644
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The octahedral sheet of metamorphic 2 M 1 -phengites: A combined EMPA and AXANES study

Giannantonio Cibin, Gianfelice Cinque, Augusto Marcelli, Annibale Mottana, Raffaele Sassi
Published: 01 February 2008
American Mineralogist (2008) 93 (2-3): 414–425.
DOI: https://doi.org/10.2138/am.2008.2548
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Angular dependence of potassium K -edge XANES spectra of trioctahedral micas: Significance for the determination of the local structure and electronic behavior of the interlayer site

Giannantonio Cibin, Annibale Mottana, Augusto Marcelli, Maria Franca Brigatti
Published: 01 July 2006
American Mineralogist (2006) 91 (7): 1150–1162.
DOI: https://doi.org/10.2138/am.2006.2041
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Octahedral versus tetrahedral coordination of Al in synthetic micas determined by XANES

Annibale Mottana, Jean-Louis Robert, Augusto Marcelli, Gabriele Giuli, Giancarlo Della Ventura, Eleonora Paris, Wu Ziyu
Published: 01 June 1997
American Mineralogist (1997) 82 (5-6): 497–502.
DOI: https://doi.org/10.2138/am-1997-5-608
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