Le Zeoliti in Sardegna

Twenty-one zeolites, among the 44 species known today, have been found in the volcanic rocks of Sardinia. One of them, barrerite, occurs only in the island. The occurrences and the more represantative cristallochemical data have been reported for each Sardinian zeolite. Moreover the most interesting properties of some zeolites known by the study of samples from Sardinia have been described briefly.