started this kind of research describing a pyroclastic sediment altered to clinoptilolite; from then on...AltaviIla, Vicenza, Italy ( x 2) Fig. 1.1 G. Natrolite from AltaviIla, Vicenza, Italy ( x 10) Fibrous...mesolite", a variety found at Rio Cambone, Sardinia, Italy, at Kladno, Bohemia (see Foster 1965) and at Waniguchi...Thermal curves of natrolite from Tierno, Trento, Italy (N2 of Alberti et al. 1982a); in air, heating rate...Montecchio Maggiore and Altavilla, Vicenza, all Italy; - in Tertiary basalts of Nova Scotia (see also |