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Rosa Anna Fregola
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Journal Article

Crystal chemistry of spinels in the system MgAl 2 O 4 -MgV 2 O 4 -Mg 2 VO 4

Ferdinando Bosi, Henrik Skogby, Rosa Anna Fregola, Ulf Hålenius
Published: 01 March 2016
American Mineralogist (2016) 101 (3): 580–586.
DOI: https://doi.org/10.2138/am-2016-5508
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Optical absorption spectroscopy study of the causes for color variations in natural Fe-bearing gahnite: Insights from iron valency and site distribution data

Rosa Anna Fregola, Henrik Skogby, Ferdinando Bosi, Veronica D’Ippolito, Giovanni B. Andreozzi, Ulf Hålenius
Published: 01 November 2014
American Mineralogist (2014) 99 (11-12): 2187–2195.
DOI: https://doi.org/10.2138/am-2014-4962
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Cation ordering over short-range and long-range scales in the MgAl 2 O 4 -CuAl 2 O 4 series

Rosa Anna Fregola, Ferdinando Bosi, Henrik Skogby, Ulf Hålenius
Published: 01 November 2012
American Mineralogist (2012) 97 (11-12): 1821–1827.
DOI: https://doi.org/10.2138/am.2012.4177
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A 94-layer long-period mica polytype: A TEM study

Rosa Anna Fregola, Eugenio Scandale
Published: 01 January 2011
American Mineralogist (2011) 96 (1): 172–178.
DOI: https://doi.org/10.2138/am.2011.3624
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Chemical control of 3 T stacking order in a Li-poor biotite mica

Rosa Anna Fregola, GianCarlo Capitani, Eugenio Scandale, Luisa Ottolini
Published: 01 February 2009
American Mineralogist (2009) 94 (2-3): 334–344.
DOI: https://doi.org/10.2138/am.2009.3004
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X-ray diffraction topographic study of twinning and growth of natural spinels

Rosa Anna FREGOLA, Nicola MELONE, Eugenio SCANDALE
Published: 01 September 2005
European Journal of Mineralogy (2005) 17 (5): 761–768.
DOI: https://doi.org/10.1127/0935-1221/2005/0017-0761
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