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Luciano Ungaretti
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Journal Article

Magnesiostaurolite and zincostaurolite: mineral description with a petrogenetic and crystal-chemical update * We dedicate this paper to the memory of our co-author Luciano Ungaretti, a good friend and outstanding mineralogist.

Christian CHOPIN, Bruno GOFFE, Luciano UNGARETTI, Roberta OBERTI
Published: 01 January 2003
European Journal of Mineralogy (2003) 15 (1): 167–176.
DOI: https://doi.org/10.1127/0935-1221/2003/0001-0167
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The crystal structure of vicanite-(Ce), a borosilicate showing an unusual (Si 3 B 3 O 18 ) 15− polyanion

Paolo Ballirano, Athos Callegari, Franca Caucia, Adriana Maras, Fiorenzo Mazzi, Luciano Ungaretti
Published: 01 August 2002
American Mineralogist (2002) 87 (8-9): 1139–1143.
DOI: https://doi.org/10.2138/am-2002-8-911
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Crystal-chemical reasons for the immiscibility of periclase and wüstite under lithospheric P, T conditions

Massimo BOIOCCHI, Franca CAUCIA, Marcello MERLI, Danilo PRELLA, Luciano UNGARETTI
Published: 01 September 2001
European Journal of Mineralogy (2001) 13 (5): 871–881.
DOI: https://doi.org/10.1127/0935-1221/2001/0013-0871
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Determination of site population in olivine: Warnings on X-ray data treatment and refinement

Marcello Merli, Roberta Oberti, Franca Caucia, Luciano Ungaretti
Published: 01 January 2001
American Mineralogist (2001) 86 (1-2): 55–65.
DOI: https://doi.org/10.2138/am-2001-0107
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Leverage analysis and structure refinement of minerals

Marcello Merli, Luciano Ungaretti, Roberta Oberti
Published: 01 March 2000
American Mineralogist (2000) 85 (3-4): 532–542.
DOI: https://doi.org/10.2138/am-2000-0415
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The crystal structure of peprossiite-(Ce), an anhydrous REE and Al mica-like borate with square-pyramidal coordination for Al

Athos Callegari, Franca Caucia, Fiorenzo Mazzi, Roberta Oberti, Luisa Ottolini, Luciano Ungaretti
Published: 01 March 2000
American Mineralogist (2000) 85 (3-4): 586–592.
DOI: https://doi.org/10.2138/am-2000-0421
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Nomenclature of amphiboles; Report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names

Bernard E. Leake, Alan R. Woolley, Charles E. S. Arps, William D. Birch, M. Charles Gilbert, Joel D. Grice, Frank C. Hawthorne, Akira Kato, Hanan J. Kisch, Vladimir G. Krivovichev, Kees Linthout, Jo Laird, Joseph A. Mandarino, Walter V. Maresch, Ernest H. Nickel, Nicholas M. S. Rock, John C. Schumacher, David C. Smith, Nick C. N. Stephenson, Luciano Ungaretti, Eric J. W. Whittaker, Guo Youzhi
Published: 01 October 1997
American Mineralogist (1997) 82 (9-10): 1019–1037.
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Nomenclature of amphiboles; report of the subcommittee on amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names

Bernard E. Leake, Alan R. Woolley, Charles E. S. Arps, William D. Birch, M. Charles Gilbert, Joel D. Grice, Frank C. Hawthorne, Akira Kato, Hanan J. Kisch, Vladimir G. Krivovichev, Kees Linthout, Jo Laird, Joseph A. Mandarino, Walter V. Maresch, Ernest H. Nickel, Nicholas M. S. Rock, John C. Schumacher, David C. Smith, Nick C. N. Stephenson, Luciano Ungaretti, Eric J. W. Whittaker, Guo Youzhi
Published: 01 February 1997
The Canadian Mineralogist (1997) 35 (1): 219–246.
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A new hyper-calcic amphibole with Ca at the A site; fluor-cannilloite from Pargas, Finland

Frank C. Hawthorne, Roberta Oberti, Luciano Ungaretti, Joel D. Grice
Published: 01 August 1996
American Mineralogist (1996) 81 (7-8): 995–1002.
DOI: https://doi.org/10.2138/am-1996-7-821
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Fluor-ferro-leakeite, NaNa 2 (Fe 2+ 2 Fe 3+ 2 Li)Si 8 O 22 F 2 , a new alkali amphibole from the Canada Pinabete Pluton, Questa, New Mexico, U.S.A.

Frank C. Hawthorne, Roberta Oberti, Luciano Ungaretti, Luisa Ottolini, Joel D. Grice, Gerald K. Czamanske
Published: 01 February 1996
American Mineralogist (1996) 81 (1-2): 226–228.
DOI: https://doi.org/10.2138/am-1996-1-227
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Crystal-chemical complexity in natural garnets; structural constraints on chemical variability

Marcello Merli, Athos Callegari, Elio Cannillo, Franca Caucia, Marco Leona, Roberta Oberti, Luciano Ungaretti
Published: 01 December 1995
European Journal of Mineralogy (1995) 7 (6): 1239–1249.
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Non-ideal solid-solution in garnet; crystal-structure evidence and modelling

Luciano Ungaretti, Marco Leona, Marcello Merli, Roberta Oberti
Published: 01 December 1995
European Journal of Mineralogy (1995) 7 (6): 1299–1312.
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Temperature-dependent Al order-disorder in the tetrahedral double chain of C2/m amphiboles

Roberta Oberti, Luciano Ungaretti, Elio Cannillo, Frank C. Hawthorne, Isabella Memmi
Published: 01 October 1995
European Journal of Mineralogy (1995) 7 (5): 1049–1063.
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(super [6]) Al disorder in amphiboles from mantle peridotites

Roberta Oberti, Frank C. Hawthorne, Luciano Ungaretti, Elio Cannillo
Published: 01 August 1995
The Canadian Mineralogist (1995) 33 (4): 867–878.
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Site populations in minerals; terminology and presentation of results of crystal-structure refinement

Frank C. Hawthorne, Luciano Ungaretti, Roberta Oberti
Published: 01 August 1995
The Canadian Mineralogist (1995) 33 (4): 907–911.
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The mechanism of [6] Li incorporation in amphiboles

Frank C. Hawthorne, Luciano Ungaretti, Roberta Oberti, Elio Cannillo, Eugene A. Smelik
Published: 01 June 1994
American Mineralogist (1994) 79 (5-6): 443–451.
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The crystal structure of preiswerkite

Roberta Oberti, Luciano Ungaretti, Ali Tlili, David C. Smith, Jean-Louis Robert
Published: 01 December 1993
American Mineralogist (1993) 78 (11-12): 1290–1298.
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Li: An important component in igneous alkali amphiboles

Frank C. Hawthorne, Luciano Ungaretti, Roberta Oberti, Piero Bottazzi, Gerald K. Czamanske
Published: 01 August 1993
American Mineralogist (1993) 78 (7-8): 733–745.
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The mechanism of Cl incorporation in amphibole

Roberta Oberti, Luciano Ungaretti, Elio Cannillo, Frank C. Hawthorne
Published: 01 August 1993
American Mineralogist (1993) 78 (7-8): 746–752.
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The behaviour of Mn in amphiboles; Mn in richterite

Roberta Oberti, Frank C. Hawthorne, Luciano Ungaretti, Elio Cannillo
Published: 01 February 1993
European Journal of Mineralogy (1993) 5 (1): 43–51.
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