https://orcid.org/0000-0001-8053-9388 Associate Professor, Department of Chemical and Geological Sciences, University of Cagliari, Italy. Graduated in Geology, University of Cagliari, Italy (1993). Ph.D. in Earth Science, University of Cagliari (1997). His research interests include mineral surfaces and reaction kinetics, biomineralization, and heavy metal attenuation in mining areas. - Currently works on the nanoscale processes ruling the dissolution/precipitation of metal sulfides and other minerals. - Is involved in the study of biomineralization processes in mining areas. - Has been responsible for research units in national and international projects. - Is a referee for several international journals.