Halloysite and other hydrothermal minerals near Capalbio, Grosseto (Tuscany, central Italy)

by Mattias, Pierpaolo, Barrese, Eugenio, Falco, Franco
Source: 1. Geologica Carpathica Clays 1. 1210-2695 1. Roč. 6, č. 1 (1997), s. 27-34